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Hello everyone!
This is my second post here...but I really felt like I had to take attitude this time and actually do something.
So my samsung galaxy s3 is acting so weird that I can't use it without something bad happening for one day.
So...first of all...my battery doesn't last more than four hours straight if, for example, I am listening to music.
It literally goes down about 1% every few minutes.
Also..there is something really weird happening with my battery even after it completely shuts down. Lets's say I am on 1% and the phone shuts off. After the screen goes black and I plug it in...the charging screen appears and the battery seems to be half charged. I open the phone again and it is already at 45%. All this operation takes a matter of seconds...but still it goes from 1% to 45%. After the phone is up...this percentage starts to go down even faster than before...in the end my phone shuts down again...and this time it starts to charge from 0%.
Today it shut off...and when I got home and plugged in the charger it didn't do anything...i just left it like that for about 10 minutes then tried to power it on without the charger being plugged in...and it worked. After that it started to charge. I have no ideea what is happening.
Also...my charging time is really big. I do not know why but when I use another charger from a samsung galaxy mini 2 it seems to charge way faster.
That's pretty much all so far. If you need more details, please let me know.
I hope you can help me sort this out!
Best regards!
Ilie Mihai said:
Hello everyone!
This is my second post here...but I really felt like I had to take attitude this time and actually do something.
So my samsung galaxy s3 is acting so weird that I can't use it without something bad happening for one day.
So...first of all...my battery doesn't last more than four hours straight if, for example, I am listening to music.
It literally goes down about 1% every few minutes.
Also..there is something really weird happening with my battery even after it completely shuts down. Lets's say I am on 1% and the phone shuts off. After the screen goes black and I plug it in...the charging screen appears and the battery seems to be half charged. I open the phone again and it is already at 45%. All this operation takes a matter of seconds...but still it goes from 1% to 45%. After the phone is up...this percentage starts to go down even faster than before...in the end my phone shuts down again...and this time it starts to charge from 0%.
Today it shut off...and when I got home and plugged in the charger it didn't do anything...i just left it like that for about 10 minutes then tried to power it on without the charger being plugged in...and it worked. After that it started to charge. I have no ideea what is happening.
Also...my charging time is really big. I do not know why but when I use another charger from a samsung galaxy mini 2 it seems to charge way faster.
That's pretty much all so far. If you need more details, please let me know.
I hope you can help me sort this out!
Best regards!
Click to expand...
Click to collapse
1.Might be the battery is dead or broken, or its not calibrated. How old is the phone and battery?
2. It seems to take ages to charge my s3 lte too, give us a number in hours how much time you need?
3. The problem where phone wont turn on or show charging when battery is as low as 1%, i had this too, i think its normal, its protecting the battery
4. Do you have overcloacked anything? It happend to me when i had ovecloaced and did benchamark test, the phone froze and battery eas 5% when i restarted the phone, but before it was 45.
Not realy helpful but i am trying XD. Also might wanna buy new battery, its not that expesive
if you are running stock rom with no rooting no anything....100% it's the battery.
if not install stock and see how it goes...if it's acting normal then the mods are the problem...if it's the same it's the battery.
Do a factory data reset on stock recovery. See how that works out first
Starting from factory reset is bad idea - it should be the last step IMHO.
First what in such case we need to check is battery health.
Percentage we see on our phone is weak indicator, because it is calculated
Better to see the voltage in different situations. How to check this (terminal app or adb in console):
cat /sys/class/power_supply/battery/voltage_now
The lowest voltage that device can handle without heavy usage is less than 3500mV (I saw even 3240mV, but with low brightness, no data connection and after trying to make a call phone turned off).
The maximum voltage is obout 4300mV.
When You see 1% of battery and voltage is realy close to 3500mV or battery is charged and voltage after removing charge is dropping realy fast to then your battery very likely need to be replaced.
I bought Samsung Extended Battery (3000mAh) and this tripled the time usage than my 2 years old normal battery 2100mAh. You can see that difference in their capacity is much smaller - about 43% biger, but give me 300% much time on battery so old one was realy worn out.
BUT if your battery wasnt used for longer than half year, you can do as follows:
1. Discharge battery
2. When phone turns off - turn it on again, but into download mode (Home-VolumeDown-Power)
3. Leave phone for as long as it turns off again and repeat step 2 till time that Download Mode wont even boot.
4. Take off battery and place it back, and again try point 2 (start Download Mode) - do it until phone will show Download Mode for only 2-3 secconds
5. Again and last time replace battery and charge phone, but turned off
6. When phone will be charged, turn it on and leave it on charger for about one hour
After those steps use your phone lightly and try to repeat whole process one more time but only when the battery will normaly discharge and phone will turn off.
I tried those steps and battery for sure can work longer FOR ONE RUN, but unfortunately it can lead to loss of capacity much faster, but it will be noticable after one year - IMHO its always good time to buy new battery.
paffo said:
Starting from factory reset is bad idea - it should be the last step IMHO.
First what in such case we need to check is battery health.
Percentage we see on our phone is weak indicator, because it is calculated
Better to see the voltage in different situations. How to check this (terminal app or adb in console):
cat /sys/class/power_supply/battery/voltage_now
The lowest voltage that device can handle without heavy usage is less than 3500mV (I saw even 3240mV, but with low brightness, no data connection and after trying to make a call phone turned off).
The maximum voltage is obout 4300mV.
When You see 1% of battery and voltage is realy close to 3500mV or battery is charged and voltage after removing charge is dropping realy fast to then your battery very likely need to be replaced.
I bought Samsung Extended Battery (3000mAh) and this tripled the time usage than my 2 years old normal battery 2100mAh. You can see that difference in their capacity is much smaller - about 43% biger, but give me 300% much time on battery so old one was realy worn out.
BUT if your battery wasnt used for longer than half year, you can do as follows:
1. Discharge battery
2. When phone turns off - turn it on again, but into download mode (Home-VolumeDown-Power)
3. Leave phone for as long as it turns off again and repeat step 2 till time that Download Mode wont even boot.
4. Take off battery and place it back, and again try point 2 (start Download Mode) - do it until phone will show Download Mode for only 2-3 secconds
5. Again and last time replace battery and charge phone, but turned off
6. When phone will be charged, turn it on and leave it on charger for about one hour
After those steps use your phone lightly and try to repeat whole process one more time but only when the battery will normaly discharge and phone will turn off.
I tried those steps and battery for sure can work longer FOR ONE RUN, but unfortunately it can lead to loss of capacity much faster, but it will be noticable after one year - IMHO its always good time to buy new battery.
Click to expand...
Click to collapse
Nothing good will come from that procedure. Those steps were useful in the epoch of nickel-cadmium batteries, where the battery had no internal circuits to monitor itself and had a tendecy to uncalibrate. Those stops would force the device and the battery to re-adapt to one another.
But now we're using Li-Ion batteries, and those DO NOT like to be fully discharged. Hell, the device might not even recognize the battery, if it has really been fully discharged.
Source
Okay...so I went to the shop from where I bought my s3 (Orange shop) And they told me to send it to their service and I did so...as I still had it under warranty. It was there for exactly a week and today I got it back. They told me they replaced the battery (which they actually did...I checked that) and the power connector from my phone. The battery it's still not good enaugh in my opinion. Immediately after I got it back...I turned it on and it had 79% battery. In about an hour it went down about 25% (so to 54%) but I didn't used it havely (note: the mobile data option was on). I really do not know what to do. I asked someone and they told me to send it again because this is not normal.
My s3 is running stock 4.3 and used to last waay longer back in the day.
What should I do? I literally got about max 5 hours of use before I sent it and I am afraid this will happen again. I do not even want to think what is going to happen if I listen to music for example.
I turned the phone off a few hours ago...then let it charge up to 59% and then stopped because I had to leave. I used it moderately for about 4 hours and 51 minutes (as my phone says) and i have about 2h and 15minutes of screen on time. My screen is using 50% of the battery and also Android system is using about 17%...chrome 12% Android OS 7% and I think everything else is less important as they use 7%<. After those almost 5 hours...while the mobile data option was on all the time I am at 14% battery.
What do you think? Is it good enaugh? Should I send it back? I really need help!
I am waiting for suggestions.
Best regards!
Ilie Mihai said:
.....
I turned the phone off a few hours ago...then let it charge up to 59% and then stopped because I had to leave. I used it moderately for about 4 hours and 51 minutes (as my phone says) and i have about 2h and 15minutes of screen on time. My screen is using 50% of the battery and also Android system is using about 17%...chrome 12% Android OS 7% and I think everything else is less important as they use 7%<. After those almost 5 hours...while the mobile data option was on all the time I am at 14% battery.
What do you think? Is it good enaugh? Should I send it back? I really need help!
I am waiting for suggestions.
Best regards!
Click to expand...
Click to collapse
I think so, the fact that you have the screen on top of Android OS (and not the other way around) pleases me. You had your screen on for 2h15m, of course your battery went down fast
Test it, charge it full, and use it. Normally.
Do this for 2 or 3 days, and check how the battery lasts
Hello, I hope all of you are well and I can get a reply or suggestion from you guys for this.
I have a new P20Pro. Bought it on the end of October.
The battery life is absolutely great with almost two full days of usage.
The issue I got is this.
When I am using my phone and it comes on the last 10% of battery it staets droping by 2-3% immediately. So it will go from 10 to 7 and then 4 and then 2 and immediately shut down.
The whole thing would happen to 3-4 mins in total.
When it gets to 2-3% it says it will shut down in 30secs and never goes to the last 1% or 0%. The other thing that bothers me, connected with what I said before, is that when I connect it to the charger when it turns off completetly, usually starts charging from 2-3%, almost never starting from 0. Today for example turned down when it was 4% and started charging from 12%>
I have tried almost everything, recalibrating the battery, doing the charging cycle correctly, wiping the cache and factory resetting it and also chenging the settings but nothing seems to be working.
Any ideas please ?
What you describe is usually a battery problem on older phones and a new battery remedies that. Mine us also in a bit of hurry ti switch off below 15% so I make sure to keep my juice always relatively high. I might take it for replacement of battery in a few months to have a new one after 500-600 cycles [emoji4]
Sent from my CLT-L29 using Tapatalk
Mine starts shutting down at 6% I think! It's caught me out a few times, thinking I had at least another 20 minutes.
I can't complain about the battery life though so no big deal really. Conversely when I unplug from a full night's charge it can stay at 100% for ages whilst using it.
I'm guessing either calibration is a bit off or EMUI is really going the extra mile to protect your battery from being damaged by draining too low.
almost 2 full days usage?
man I barely get one day, the battery is being drained quite quick
I just switched from OnePlus 5T to P20 Pro, and the battery life of the first is way ahead (and recharges much faster)
maybe there's a problem with my p20pro?
leozin said:
almost 2 full days usage?
man I barely get one day, the battery is being drained quite quick
I just switched from OnePlus 5T to P20 Pro, and the battery life of the first is way ahead (and recharges much faster)
maybe there's a problem with my p20pro?
Click to expand...
Click to collapse
Hi!
Follow the below steps.
Phone manager>Do optimise>tap on battery icon>Optimise battery usage. And dont let any apps to run in background. Using auto start manager you can control the apps which are running in the background.
and please post the battery usage details and check which app is consuming more battery & kill the apps which are consuming more battery
Hopefully it would help.
[email protected] said:
Hi!
Follow the below steps.
Phone manager>Do optimise>tap on battery icon>Optimise battery usage. And dont let any apps to run in background. Using auto start manager you can control the apps which are running in the background.
and please post the battery usage details and check which app is consuming more battery & kill the apps which are consuming more battery
Hopefully it would help.
Click to expand...
Click to collapse
Hi Thanks for your help
I will definitely do it and will keep yous updated
Meanwhile, let me bring something else: My phone doesn't supercharge. Even when I use the original cable + charger (and plugged straight into the wall) it doesn't fast charge. Doesn't display that it is being supercharged or something and it will take about 3 hours to finish charging.
This is a brand new phone which I got last week.
I used to have an OnePlus 5T which recharges pretty quick but this P20 Pro, although it is a beautiful phone, charges like my old Moto X.
Anything else I need to setup in order to enable supercharge?
leozin said:
Hi Thanks for your help
I will definitely do it and will keep yous updated
Meanwhile, let me bring something else: My phone doesn't supercharge. Even when I use the original cable + charger (and plugged straight into the wall) it doesn't fast charge. Doesn't display that it is being supercharged or something and it will take about 3 hours to finish charging.
This is a brand new phone which I got last week.
I used to have an OnePlus 5T which recharges pretty quick but this P20 Pro, although it is a beautiful phone, charges like my old Moto X.
Anything else I need to setup in order to enable supercharge?
Click to expand...
Click to collapse
Download Ampere from the app store and see what the charging rate is.
When almost empty I get a rate of 4200mA ish.
The more it charges the lower the charging rate.
john306 said:
Download Ampere from the app store and see what the charging rate is.
When almost empty I get a rate of 4200mA ish.
The more it charges the lower the charging rate.
Click to expand...
Click to collapse
When I use the original chargers from Huawei, it won't get past 1800mA
Then I went to visit a friend who got a Mate 20 Lite, he has a fast charger and I tested his in my p20pro and it went to ~2300mA (and then it displays in my phone "fast charge"). However, if we use on his phone, it will go more than 3500mA
The supercharger won't come by default in the box? I'm asking because when I got at home I checked the output of my recharger and it shows 4.5-5v -> 2A, it seems it isn't the fast/super charger
Hi there! What you have described with the battery percentage going to 3% and then immediately to 0% is an issue on ALL Huawei phones. I had previously owned a P10 LITE, a Honor 7C, Huawei P20 PRO and Mate 20 Pro. They all do this. I suspect it has something to do with the reserved battery percentage . It shuts down quickly so that it can keep 2 % and not drain completly. I do not know the benefit of this but all phones do it, however Huawei's software implementation is so poor that it actually displays wrong percentages. It has nothing to do with the battery being old. They do it straight out of the box and ufortunately do not know of any solution to this.
Just an update:
I had a chat with the store which sent me the phone and then they sent me the correct charger with supercharge.
Now it works well and on Ampere it shows 4.5A
xhers.maska said:
Hello, I hope all of you are well and I can get a reply or suggestion from you guys for this.
I have a new P20Pro. Bought it on the end of October.
The battery life is absolutely great with almost two full days of usage.
The issue I got is this.
When I am using my phone and it comes on the last 10% of battery it staets droping by 2-3% immediately. So it will go from 10 to 7 and then 4 and then 2 and immediately shut down.
The whole thing would happen to 3-4 mins in total.
When it gets to 2-3% it says it will shut down in 30secs and never goes to the last 1% or 0%. The other thing that bothers me, connected with what I said before, is that when I connect it to the charger when it turns off completetly, usually starts charging from 2-3%, almost never starting from 0. Today for example turned down when it was 4% and started charging from 12%>
I have tried almost everything, recalibrating the battery, doing the charging cycle correctly, wiping the cache and factory resetting it and also chenging the settings but nothing seems to be working.
Any ideas please ?
Click to expand...
Click to collapse
Goto Phone Manager touch power saving->Optimize.Phone Manager will rapidly identify apps or features that are rapidly drainning the battery.Touch the Optimize button net to each or feartures to disable it and start saving power.You can touch Recover to re-enable the app or feature.When you remove an app from the protected apps list,your phone will close the app automatically when you turn off the screen to save batterry.
Hi guys
My Redmi has experiencing a bit odd behaviour every time I charge his battery
I always do full charging cycles, from 0 to 100%, and than use it till it full drains.
I usually charge it with the phone off
The last couple of times a strange thing happened: I fully charge it from 0, with the phone off, but when I turn the phone on the battery level shows something in the 70% level, the last time it was 77% only., This time I connected it back to the charger, and it went to 100%
I already installed a battery calibrator, but this keeps happening now
I use the original Xiaomi charger, or a Sony charger.
My Redmi is running the stock Marshmallow ROM - that's another funny thing, my phone simply has no updates to Noughat or ahead, I'm in Portugal those updates should have already arrived
So, any suggestion from you?
Regards
Antonio
Most probably your device has fake MIUI vendor ROM. I am guessing this because there's no update you got on your phone.
Redmi 4X has been updated already to MIUI 10 based on nougat 7.1.2.
I would recommend you to backup your all data on phone and clean flash latest stable update and restore back everything.
metelhammer said:
Most probably your device has fake MIUI vendor ROM. I am guessing this because there's no update you got on your phone.
Redmi 4X has been updated already to MIUI 10 based on nougat 7.1.2.
I would recommend you to backup your all data on phone and clean flash latest stable update and restore back everything.
Click to expand...
Click to collapse
Thanks
I'm not very worried about using latest ROM's on my phone, the charging issue is the the thing that annoys me the most, I'll think about updating my phone if and when the other problem gets a solution.
Does anybody has a say on this matter?
You should try to keep your battery level above 50%. Lithium batteries need charge to keep their effectiveness.
Only do 0-100% maybe once a month. When you do, charge the phone when off to 100%. Boot phone, if it is below 100% at startup charge more until it reaches 100%, then restart. Continue this until you get stable 100% or consistently close to it.
Battery calibration apps are trash, don't even bother with it.
antonioduarte said:
Thanks
I'm not very worried about using latest ROM's on my phone, the charging issue is the the thing that annoys me the most, I'll think about updating my phone if and when the other problem gets a solution.
Does anybody has a say on this matter?
Click to expand...
Click to collapse
Okay here is my thought on your situation.
I charge my phone upto or around 90% to 95% and recharge it when it falls down to around 20% to 25%, due to my daily routine and usage i do get around 20% battery remaining almost everyday and in very rae case it goes below 10% till now for me it never went shutdown due to battery gone full zero.
I have Redmi 1S and i charge like this and i still do get around 2.5 hours of screen on time on it which is great considering it is 4 years old device. and i am still using same original battery came in the box which now shows some ageing signs since it has little bulge on it and sometimes phone shuts downs it self and after turning on it looses 10% to 15% of its charge.
it is recommended to keep some battery % left in phone for good battery health.
over time battery does loose its capacity.
you should consider changing how you charge your phone dont let it charge fully or let it drain fully. when battery drained out completely it does takes some time to hold some charge and when you charge you phone fully the battery does goes back to 99% and goes again to 100% since it is already on charge, this keep happening until stop charging which affects battery capacity and the charge it can hold.
i think in you case this issue happening due to the how you charge your phone.
metelhammer said:
Okay here is my thought on your situation.
I charge my phone upto or around 90% to 95% and recharge it when it falls down to around 20% to 25%, due to my daily routine and usage i do get around 20% battery remaining almost everyday and in very rae case it goes below 10% till now for me it never went shutdown due to battery gone full zero.
I have Redmi 1S and i charge like this and i still do get around 2.5 hours of screen on time on it which is great considering it is 4 years old device. and i am still using same original battery came in the box which now shows some ageing signs since it has little bulge on it and sometimes phone shuts downs it self and after turning on it looses 10% to 15% of its charge.
it is recommended to keep some battery % left in phone for good battery health.
over time battery does loose its capacity.
you should consider changing how you charge your phone dont let it charge fully or let it drain fully. when battery drained out completely it does takes some time to hold some charge and when you charge you phone fully the battery does goes back to 99% and goes again to 100% since it is already on charge, this keep happening until stop charging which affects battery capacity and the charge it can hold.
i think in you case this issue happening due to the how you charge your phone.
Click to expand...
Click to collapse
Thanks for your input
That doesn't make much sense to me since I charge it almost every time with the phone off, so once its 100% the charging process stops, and there's no way the battery should start draining because the phone is off - and even if it was on, it shouldn't loose 25% at once . If it was hardware problem, with the battery getting worn, I would never have the chance to drain it to zero slowly (it would shut down at 10% or so) or get an 100% charge level - and once I turn the phone on, he does go to 100% without any problem, so the battery seems to be ok
I do the same process with my 5 years old Sony Z1, once I charge it 100% I turn it off, and once I turn the phone on again, the battery charging level shows 100%, even If I do it a month after last charging. This old guy's battery is showing first signs of age, nowadays I get half the time I used to, but not that dramatic thing of not be able to do a phone call with 10% battery level.
So, same charger, same process, why my Xiaomi is behaving differently than he used to?
Why the charge level indicates 100% and once I turn the phone on, it shows 70 something %, and than charges without any hesitation to 100% ?
antonioduarte said:
Thanks for your input
That doesn't make much sense to me since I charge it almost every time with the phone off, so once its 100% the charging process stops, and there's no way the battery should start draining because the phone is off - and even if it was on, it shouldn't loose 25% at once . If it was hardware problem, with the battery getting worn, I would never have the chance to drain it to zero slowly (it would shut down at 10% or so) or get an 100% charge level - and once I turn the phone on, he does go to 100% without any problem, so the battery seems to be ok
I do the same process with my 5 years old Sony Z1, once I charge it 100% I turn it off, and once I turn the phone on again, the battery charging level shows 100%, even If I do it a month after last charging. This old guy's battery is showing first signs of age, nowadays I get half the time I used to, but not that dramatic thing of not be able to do a phone call with 10% battery level.
So, same charger, same process, why my Xiaomi is behaving differently than he used to?
Why the charge level indicates 100% and once I turn the phone on, it shows 70 something %, and than charges without any hesitation to 100% ?
Click to expand...
Click to collapse
The I am not sure why is that happening suddenly using same process.
I know you've said not interested in flashing ROM just yet but maybe consider changing ROM to official Global/china stable MIUI 8 or latest MIUI 10.
Possible reason for this hardware/battery or software issue.
Maybe get device checked at official xiaomi service center or contact them on customer care support. They should help you the best.
I'm trying to do the update route, but I'm not very confident on my tech skills - and the downloads are failing all the time.
What's the best/easiest way to update my 4x?
antonioduarte said:
I'm trying to do the update route, but I'm not very confident on my tech skills - and the downloads are failing all the time.
What's the best/easiest way to update my 4x?
Click to expand...
Click to collapse
This post should help...
https://forum.xda-developers.com/showpost.php?p=78915706&postcount=2156
Xiaomi Warrior said:
This post should help...
https://forum.xda-developers.com/showpost.php?p=78915706&postcount=2156
Click to expand...
Click to collapse
Hi
Thanks for your reply, I ended up finding there's a MIUI tool available on playstore with ready updates for most phones, so I just downloaded the updated ROM directly to my phone and installed it.
It even kept all my apps and files, I did some backups in the process but never had to use them
Thank you all guys
have you tried
1) power off the phone and then after few seconds power on
2) charge using a different charger + different cable when your battery level drops below 50%, just to check if the phone still charges to 76-77% or if it charges to 100%.
3) if the above fails you need try factory reset or flash latest MIUI rom
H, since I updated from miui 10 to miui 11 and even now that I have miui 12 I have noticed that the battery doesn't last as long as before. I state that since I purchased the phone (July 2019) I have always charged the battery in the best way trying to never go below 20% and trying not to go beyond 80% so I don't think a battery can lose more than 30% of its real capacity in less than a year of life. Starting to investigate I found that the battery does not charge at its real capacity i.e. 3300 mAh but at around 2200/2300 mAh. To verify all this I have carried out several tests and the easiest way to verify it is to look at the battery characteristics through the AIDA64 app (screenshot below). From these tests it seems that the device limits the real battery capacity by not allowing it to be charged to its maximum capacity. A reply to what I wrote can be found by looking at some system files that are located in /sys/class/power_supply/battery. In particular, looking at the file called charge_full (screenshot below) you can see how the value of the file is much lower than the real battery capacity. I hope someone more competent than I can understand how to solve this hateful problem and I also invite you to check the value to try to better understand the cause of this problem.
I'm using miuimix 12.0.2 stable and the capacity is not 3300, either.
---------- Post added at 10:03 AM ---------- Previous post was at 09:59 AM ----------
And sorry i don't know how to post a picture, mine is 2943.
I know that batteries won't be forever and are always decreasing during the year but I think Xiaomi do a good job. I have some devices from 4 years ago and they reduced their batteries just a little. In the case of Mi 9 I have it since March 2019 and my battery still being the same. I charge it from 10-25% to 100% just some times I charge it until 80-90%, maybe every month I let it to 0% I wait for a while and charge it again to 100%.
Sent from my MI 9 using Tapatalk
From the photo you posted it doesn't seem that your battery is fully charged .. we have done other research and we have discovered that most likely Xiaomi has inserted in the kernel a sort of programmed obsolescence on the battery.
Can you disclose some of the research you done on the kernel it seems interesting. I have checked with Aida64 my battery before and it never charges to 3300 even if you leave the phone plugged in the value will keep increasing but once you plug it out it drops...still getting about 5 hrs sot so not bad...I wonder if you change that value in the full charger screen you posted what will happen?
"From these tests it seems that the device limits the real battery capacity by not allowing it to be charged to its maximum capacity. "
Actually it's better for battery life longterm to keep the device in the middle - never 0, never 100
I've certainly lost no battery life in the year + I've had the Mi 9
You are doing a good job of using the phone in the 20 to 80% range. But do you charge it at the lowest possible temperature? Temperature is a battery's worst enemy. Wireless charging is a joke. It's a glued heater in the battery.
I for instance, almost all the times charge it in front a mini fan. With this I can charge it 5ºC below normal temp charge.
And like @cezikos said, use quickcharge only on emergencies. Use at max a 1.5Amps charger. Quick charge is a marketing thing. The chemistry of the batteries are almost the same in this 10 years.
Mi mi9 have one year and the battery is 100%.
The important thing that you should precise is a type of charger that you are using. Do you use Quick Charge? If Yes, then battery capacity will be dramatically degrated. I use 5V 0.5-1.5A charger, it depends how fast I need to charge the Phone.
The next thing is a battery temperature, not Only while charging the Phone but also when you are using it. I`m using CPU Monitor and it's overlay to see the battery temp, you can also configure alerts when battery is starting to overheat.
Heavy Gaming decreases the life of the battery, there are a lot of variables that you have to cobsider, not only "programmed obsolescence"
I had the same problem. Hopefully the battery could make 3 hours of screen, the strange thing was that suddenly it began to last very little, and I was with that problem for a couple of weeks, so I decided to calibrate the battery hoping to have some results and now the battery lasted again approximately 7 hours of screen. Try to make the battery run out from 100% to 0%. The system will not let you start because it calculates that it has no battery, so what I did was leave it in recovery mode and with the screen always active, until it turns off completely, then with a 5V 1A charger. With the phone turned off, charge it until it reaches 100%. I did it three times and the battery was back to the way it was before. You could try to do the same and I hope you can solve that problem.
Sorry for bad English
I tested, I put the phone to play videos until it turned off. In 1% I cleared battery stats.
Then plugged the charger and entered the TWRP and unplugged. Put the backlight to maximum, and the phone stayed on more than an hour!
Then I plugged the charger 1.5A and let it charge to max.
It worked, now the phone has a steady discharge, not discharge 100% to 80 in an hour.
I will do this procedure from time to time. not the best for the battery, but is needed in mi9...
It's an absurd that this problem exists in 2020, my galaxy S2 don't have such harsh problems with something so simple and basic like battery management!
Battery on my Mi9 (mildly used in one year) lost 500 mAh.
Confirmed, with this trick, in doing it ONE time, I have the phone running well again, more than 8h screen on.
0.5 discharge in sleep.
.eu 20.3.19
onolox said:
I tested, I put the phone to play videos until it turned off. In 1% I cleared battery stats.
Then plugged the charger and entered the TWRP and unplugged. Put the backlight to maximum, and the phone stayed on more than an hour!
Then I plugged the charger 1.5A and let it charge to max.
It worked, now the phone has a steady discharge, not discharge 100% to 80 in an hour.
I will do this procedure from time to time. not the best for the battery, but is needed in mi9...
It's an absurd that this problem exists in 2020, my galaxy S2 don't have such harsh problems with something so simple and basic like battery management!
Click to expand...
Click to collapse
Thanks! I just don't know how to clean the battery status...
You will need root.
Then are several apps that can do it. Like l speed or adiutor.
And now again confirming, in one month the phone is completely lost regarding battery again, just 3h SOT from 80 to 20. There's some pretty **** up code regarding battery in xiaomi android.
I have no problems at all using it since release.
newest xiaomi eu.
I also have problems with battery drain...
Hello guys, just want to share with you a little trick that just helped me get better SoT. First of all, I just want to mention that I'm on the newest xiaomi.eu rom (20.8.13) and that AccuBattery is showing that my battery is at 2500mAh estimated capacity. (That might be different in reality, because it's only after one charging, so don't believe it that much). Lately I noticed a significant drain while the phone was idle (screen turned off). It was draining like 1-2% every hour and I could barely get over 5h SoT. So I investigated a little bit, and found a solution on reddit. The thing was that I had many apps on autostart. If you want to check them and turn it off then open Settings > type 'autostart' in the search bar > open it > 3 dots > show system apps > turn off every unnecessary app that you think don't need that option. I turned off every app, except: Gmail, GPay, Google Photos, Clock, Calendar, Bank app, Weather app and the app called 'safety system addon' - it might be called different because I'm not on english language on my phone. I left them on just in case to have notifications/synchronization, though i don't know if it's necessary. After that there was almost 0% idle drain over the day. Now I'm on 5h4m SoT and still have 25% of battery left. The result might be even better, cause I did this trick just today while my phone was on 90-85%.
Give it guys a try, hope it will improve your daily experience with Mi 9.
P.S. Let me know guys If I could turn off the before mentioned apps and still get notifications and sync from them.
Mine reports 2800mah, debloated with Szaki tool all autostart apps disabled also did factory reset after miui12 update.
Really sad how bad miui12 has turned for me. Im having way worse battery life compared to miui11 the idle is mostly the same its just the battery doesn't last as it used to last with miui11.
onolox said:
I tested, I put the phone to play videos until it turned off. In 1% I cleared battery stats.
Then plugged the charger and entered the TWRP and unplugged. Put the backlight to maximum, and the phone stayed on more than an hour!
Then I plugged the charger 1.5A and let it charge to max.
It worked, now the phone has a steady discharge, not discharge 100% to 80 in an hour.
I will do this procedure from time to time. not the best for the battery, but is needed in mi9...
It's an absurd that this problem exists in 2020, my galaxy S2 don't have such harsh problems with something so simple and basic like battery management!
Click to expand...
Click to collapse
I can confirm this. AIDA64 said my battery was at 2550mah capacity when fully charged. I followed this procedure and now after being fully charged, it says 3125 mah, which is much better.
I'm curious about the screen on time now. Me happy. Thanks!
Hi guys,
I keep having weird battery behaviour which led me to believe, that the battery is not properly calibrated:
When charged to 100%, the phone usually stays at 100% for a few hours depending on usage. Around 40% however it keeps dropping 1% every 2-3 seconds until after a few minutes it is drained completely and switches off.
Did anyone else notice that kind of behaviour? (Some guys on Reddit are facing the same issues)
And does anyone know a fix except waiting for a custom rom?
Thanks and all the best.
Jay
Mr. Jay Milestone said:
Hi guys,
I keep having weird battery behaviour which led me to believe, that the battery is not properly calibrated:
When charged to 100%, the phone usually stays at 100% for a few hours depending on usage. Around 40% however it keeps dropping 1% every 2-3 seconds until after a few minutes it is drained completely and switches off.
Did anyone else notice that kind of behaviour? (Some guys on Reddit are facing the same issues)
And does anyone know a fix except waiting for a custom rom?
Thanks and all the best.
Jay
Click to expand...
Click to collapse
Same here, I didn't notice the battery after 40% but the phone stays at 100% for a really long time, I played Honkai Impact at max setting and it still manages to stay at 100% for an hour, mb it's software issue, I'm on 12.5.7 Global btw.
I didn't experienced that kind of issue. 12.5.13.0 EEA here.
you have to calibrate the battery.
- discharge the battery until the phone turns off
- with a slow charger (10 / 25w) charge the mobile OFF
- once it reaches 100% (1-2 hrs) wait another 2 hours.
- Power up and test.
This method usually solves this problem, it is important to use a slow charger and only use the 120w one when it is really necessary. It seems that some batteries have not been properly calibrated
austick said:
you have to calibrate the battery.
- discharge the battery until the phone turns off
- with a slow charger (10 / 25w) charge the mobile OFF
- once it reaches 100% (1-2 hrs) wait another 2 hours.
- Power up and test.
This method usually solves this problem, it is important to use a slow charger and only use the 120w one when it is really necessary. It seems that some batteries have not been properly calibrated
Click to expand...
Click to collapse
Thanks, I'll try to do that with a slow charger.
After it reached 100% still keep the phone on charge for the next two hours or just wait two hours to power up?
Mr. Jay Milestone said:
Thanks, I'll try to do that with a slow charger.
After it reached 100% still keep the phone on charge for the next two hours or just wait two hours to power up?
Click to expand...
Click to collapse
Still keep the phone on charge min 2 hours or more (ex. When you sleep) next you can turn on
austick said:
you have to calibrate the battery.
- discharge the battery until the phone turns off
- with a slow charger (10 / 25w) charge the mobile OFF
- once it reaches 100% (1-2 hrs) wait another 2 hours.
- Power up and test.
This method usually solves this problem, it is important to use a slow charger and only use the 120w one when it is really necessary. It seems that some batteries have not been properly calibrated
Click to expand...
Click to collapse
It does fix something, now my phone can stay till 1% without turning at 3% like before, thanks.
sushuguru said:
It does fix something, now my phone can stay till 1% without turning at 3% like before, thanks.
Click to expand...
Click to collapse
For me viper4android it's much better if you use wired headphones. I tried to use Dolby but it's not the same.
I'm on 12.5.13.0 EEA, same problem. Phone stay at 100% for hours, then when power dropped to 35-30% weird thing happened, it keeps dropping 1% every 2-3 seconds until after a few minutes it is drained completely and switches off.
Then it takes 5-10 minutes to start again
I will try to calibrate the battery tonight
Hi, I was facing a similar issue.
I have used 3 chargers. 120W (stock), 10W (samsung), 65W (Anker). I was worried about my battery life, so decided to ditch the 120W charger which was also not giving me a good enough battery life, considering its a 5000 mah phone.
Im not paid by anker or something, but I saw a major difference between SOT compared with stock and samsung charger as well. I dont know why this is working out so well, but im getting 7+Hrs SOT easily, on heavy usage. AndI have been getting consistent results from the past week since i switched to anker. I genuinely dont know why or how this is working. But if it works, it works.
Im assuming due to the 120W quick charge, the battery calibration gets messed up. But idk how to explain the longer duration of SOT on the anker charger.
Ps. I dont use 5G
nousernamesorry said:
Hi, I was facing a similar issue.
I have used 3 chargers. 120W (stock), 10W (samsung), 65W (Anker). I was worried about my battery life, so decided to ditch the 120W charger which was also not giving me a good enough battery life, considering its a 5000 mah phone.
Im not paid by anker or something, but I saw a major difference between SOT compared with stock and samsung charger as well. I dont know why this is working out so well, but im getting 7+Hrs SOT easily, on heavy usage. AndI have been getting consistent results from the past week since i switched to anker. I genuinely dont know why or how this is working. But if it works, it works.
Im assuming due to the 120W quick charge, the battery calibration gets messed up. But idk how to explain the longer duration of SOT on the anker charger.
Ps. I dont use 5G
Click to expand...
Click to collapse
yes, I don't think you are very far from the problem. I also think that charging the mobile at 120w spoils the calibration of the battery so I use it only at specific times. I use a standard 15w charger (approx 2hrs)
3 days later It looks like calibration sorted my issues. Now battery behaves as is should.
So calibration is very recommended if battery plays up
I recently purchased this cell phone, and I am experiencing this problem. I have disabled almost everything, and uninstalled blotware. Should I calibrate the battery to improve battery drain?
Vixito said:
I recently purchased this cell phone, and I am experiencing this problem. I have disabled almost everything, and uninstalled blotware. Should I calibrate the battery to improve battery drain?
Click to expand...
Click to collapse
Please read my reply in this thread, that will extend the battery drastically.
im facing this problem with this phone as well but also something else: after the battery drops to 18-20% it then discharges very very quickly to a point where in a matter of 5-10 minutes of use it's down to 0%. is this normal or is it another one of those side effects that their trashy fraudulent scamming xiaomi battery measurement causes?
will another rom fix these issues or are we stuck with them in this phone i rapidly regret getting?
I'm also facing the same issue, below 25% to 0% it drains like a liquid, I attached the screen record
jamesking005 said:
I'm also facing the same issue, below 25% to 0% it drains like a liquid, I attached the screen record
Click to expand...
Click to collapse
mine got fixed (at least for now) by calibrating the battery (leave it to discharge and turn off - try to turn on again until it wont - charge to 100% with phone off) i'll see how long this lasts and update
Ya i did it for now it is fixed might be a temporary fix. I'll post here if it happens again
Same problem at first month, 100 - 99 became shorter and shorter while charging cycle increasing.