Galaxy note 9 fast charging problem - Samsung Galaxy Note 9 Questions & Answers

lately, somewhere after update to one ui 2.0 I started to have some problems with the fast charging.
as for now, the fast charging won't work unless it plugged to type C port in my PC that supporting QC3, and even that for like 1 minute max and that shorting my WHOLE pc's USB ports.
tried many bricks and cable supporting QC3 though the phone supports QC2, and nothing sadly made any change, tried as well on using the original brick and cable and still the same.
I've also been trying for like a week to clean the port with cotton and 70% alcohol and nothing changed
I tried to measure the Amps coming from the charger and got like 2 Amps max, although I remember when the Fast Charging did work, it gave like 3.3 Amps(all measured by ampere app)
I'm thinking it may be the port itself, but not sure about it
what do you think?
any help will be appreciated
Edit: I tried to wipe cache and charging in safe mode

Try wiping the Cache Partition in Recovery Mode.

iceepyon said:
Try wiping the Cache Partition in Recovery Mode.
Click to expand...
Click to collapse
I did that and even in safe mode.
Post edited and these stuff added

This is a well known issue with all Samsung phones. They use the cheapest USB connectors on the market and they short out very easily. I lost fast charging over a year ago when my phone said the port was wet even though the phone had never been anywhere close to any water ever. The only way to get it back is to replace the USB port. With the phone being so old its not even worth the money to fix. Same ship happened to my wife's S9+ . I'm not buying another Samsung phone.

Thanks. I can see how a cheap port could be the problem. I've had this problem with my note 9 since day one. I can plug in a brand new cable that works great with somebody else's phone into a Samsung charger and randomly it will max out at around 750 ma or 1040, 1425, or up to 2275. This is even when the phone is at less than 20 percent, and the phone is not warm at all. I have wondered if a faulty temperature sensor has been to blame.....
What's odd is that i can take it off a QC or Samsung charger, stick it on a battery pack and it hops right up to 1200. Got a temperature sensor app and all is around 120 degrees F which I'm pretty sure is normal.

Do Not use 70% isopropyl alcohol on electronics, it's 30% water
Only use anhydrous isopropyl ie 99%
Use a OEM fast charging brick and cable. They're cheap, $20 for a Samsung 20w brick and cable.
Erratic fast charging and a rapid drop in battery capacity may indicate a battery failure.
Any case bulging is a battery failure; replace asap.

Related

[Q] charging issues, charges extremely long, stops charging randomly

Hey I was wondering if something is wrong with my device.
I am encountering weird things regarding recharging the device in reliability charging up.
So i am using the original charger which came with the phone, the phone is just like 3 month old i didnt notice anything like that earlier.
So when i am charging the device, sometimes it stops charging, Today I encountered it charging to like 56% and afterwards no more charging so when i got up, my phone was 14% left even when plugged in.
I encountered it several times recently that it stuck recharging at around 50-ish or 70-ish %.
charging usually takes up reasonably long. About 10% an hour. In Settings -> Battery it sometimes it displays USB even when it's charging via AC.
I am not running any fancy apps which drain the phone or clock cpu.
I am running 4.1.2 I9305XXBLL3 Rooted.
Anyone have any suggestion?
endrancer said:
Hey I was wondering if something is wrong with my device.
I am encountering weird things regarding recharging the device in reliability charging up.
So i am using the original charger which came with the phone, the phone is just like 3 month old i didnt notice anything like that earlier.
So when i am charging the device, sometimes it stops charging, Today I encountered it charging to like 56% and afterwards no more charging so when i got up, my phone was 14% left even when plugged in.
I encountered it several times recently that it stuck recharging at around 50-ish or 70-ish %.
charging usually takes up reasonably long. About 10% an hour. In Settings -> Battery it sometimes it displays USB even when it's charging via AC.
I am not running any fancy apps which drain the phone or clock cpu.
I am running 4.1.2 I9305XXBLL3 Rooted.
Anyone have any suggestion?
Click to expand...
Click to collapse
Samsung charger that come with the box really charge slow because it only supplies 1Amp.
But for your case seems different. Before checking the software side... have you checked if it's the charger or the cable itself has the problem? Try using other charger.
do you think a nexus 7 charger works fine w/o doing any (more) damage?
Many times it's because of dust and dirt collecting inside usb port. Clean it with compressed air or small brush and try again.
Sent from my GT-I9305 using xda app-developers app
i am aware that dirt might be the problem, but i've took my torch and put some light into the dark usb port to see if there's any dirt but everything looked quite clean to me. I don't have compressed air with me atm do you think a manual air blower used to clean dslr sensors can also do the job?
any other suggestions if the charger and usb port ( dirty ) is not the case?
Use toothbrush and tiny bit of alcohol ( can be after shave) on it to clean port. Do it when phone it's switched off. It's worth to try.
Did you try different charger?? This can be main problem. Many faulty chargers this days.....
Sent from my GT-I9305 using xda app-developers app
i have been trying out the nexus 7 charger. it seems to be a bit faster but not as fast as i am used to be on galaxy s2 ... i used the air blower and a tiny bit of dust came out but not quite much, i will see how it performs.
endrancer said:
do you think a nexus 7 charger works fine w/o doing any (more) damage?
Click to expand...
Click to collapse
Check the output voltage if same, a bit higher ampere would be fine just not too high, and not voltage.
Sent from my GT-I9305 using xda premium
r_i_x said:
Samsung charger that come with the box really charge slow because it only supplies 1Amp.
But for your case seems different. Before checking the software side... have you checked if it's the charger or the cable itself has the problem? Try using other charger.
Click to expand...
Click to collapse
Samsung charger provides 1000mah because that's the stock charging setting for the SGS3. You'd only need a different charger, like a N7 one if you change the settings to above 1000mah.
OP use current widget to see what current your phone is charging at. It should be 999mah from the wall charger, then you can change chargers and see whether it's the charger or your phone with the problem.
bigmo7 said:
Samsung charger provides 1000mah because that's the stock charging setting for the SGS3. You'd only need a different charger, like a N7 one if you change the settings to above 1000mah.
Click to expand...
Click to collapse
It's what I said

Slow charging and fluctuating current on S5 mini

Hi,
My wife's S5 mini seems to have developed a nasty habit of not even fully charging overnight.
When using a USB powermeter, I see the current fluctuating between (roughly) 200 and 800mA. Other devices on the same multiport USB charger have no such issues, so it is not the charger.
When using the OEM charger and lead it will also charge very slow, to the point where it may not even be full the next morning.
I downloaded the Galaxy charging app (very informative on my S4), but it always shows 1mA chargingcurrent, so I assume it does not work on the S5 mini.
I cleaned the USB-port on the phone and removed some lint, but no difference.
Wiggling the micro-USB-plug makes no difference, nor do different charging cables.
We switched the phone OFF and removed and reseated the battery: the problem persists.
What I did NOT yet do is swap the battery (we have two same-age S5 mini's in the house and only one has the issue). If I can pry the second one from my daughters hands, I will try this and report back. Obviously if the problem moves with the battery, it is the battery. If not, it's the phone. Or if the problem is gone, then it is just those darn Gremlins again.
What I also did not do is boot into safe mode (or whatever is sometimes adviced) as the phone does not go through its battery fasst, it just charges very slow. An inefficient app would also not explain the fluctuating currentdraw (certainly not it dropping below 500mA when battery is 80% empty), so atm I don't consider an app to be a likely culprit.
Any ideas are welcomed.
Ideas:
1. Install and use the free app Ampere to check both cable and charger;
2. Turn phone off and plug in charger, even off it shows the percent charged, so you can check if it's system software problem or not.
Check if the micro usb port is dirty. You can't imagine how much dirt can get there, specially fibers from clothes. Normally I use a needle to clean it, maybe there is something more appropiate.
Got the same problem after 3months use.
To avoid this problem:
1- Plug the charger
2- After 5 seconds connect micro-usb into the phone
If you connect first the phone to the charger it will not charge properly

Replacement Battery won't charge

My replacement battery (looks the exact same, may be a generic product, though) worked fine for a few days, but then the phone started saying: "Battery can't charge right now," and the batter level just stayed the same with the cable connected. I tried various cables and adapters; the situation didn't change. I read that maybe a missing temperature sensor could be the issue. Does anybody have experience related to the issue?
rex_vitis said:
My replacement battery (looks the exact same, may be a generic product, though) worked fine for a few days, but then the phone started saying: "Battery can't charge right now," and the batter level just stayed the same with the cable connected. I tried various cables and adapters; the situation didn't change. I read that maybe a missing temperature sensor could be the issue. Does anybody have experience related to the issue?
Click to expand...
Click to collapse
Same trouble here! Did you solve it?
Luis Augustus said:
Same trouble here! Did you solve it?
Click to expand...
Click to collapse
Battery and rom are probably not the problem, i've solved this with replacement of USB C charging port in the phone.
I repeated the process with the same battery, and I haven't had problems in over a year. just took it out, put it back in, and that settled it.
why you replaced the battery, battery dead ?
what are the symptoms ?
because my phone is restarting itself , while charging it shows 90 percent and so on, its on when charger plugged in and if unplug it will stay on for few min and if i open app or camera it start reboot
I've had the same problem
I've replaced battery with an aliexpress one but after some charges problem came back and I think the problem was about I was charging my phone with the wrong charger (was using the Aukey QC3.0), so I've started to charge my phone only with the genuine charger but with another USB-C cable because the genuine one sucks.
After using the genuine charger the problem never came back and I left the genuine battery on It.
I've noticed that the USB-C port on my phone miss the original standard measures of height and width of the hole, so when I plug the cable It plays a little in the port and this is the cause I don't use the genuine cable.
Guy guys guys...
The answer is simple ^^ (ok not really )
Clean your USB C charging port of your phone... that fixed 3 to 4 times my charging issues, sadly after I had bought several cables /batteries...
So first think you must do before checking any other thing... is getting all the crap that the USB C charging entry point has after so many years/months of usage... it gets quite dirty.

Battery/Charging issue

Hey everyone, how y'all doing?
I've got this problem for 2 months now where the charging has been super slow and no idea why. I am using the official charger and cable that came with the phone, I used my wife's s20's charger with same result and a third party charger with 3 different cables with similar results. Accubattery recorded that my phone's battery health is at 86% (3460mah) should I change it and lose my water/splash proof?
Oh yes I have flashed a few different ROMs (currently using Dr Ketan) with the same results except for evolution ROM, with the aosp ROM I was able to charge my phone from 14 percent to 100 in 90 minutes which is kinda weird...
Any advice would really help thank you
Supracer said:
Hey everyone, how y'all doing?
I've got this problem for 2 months now where the charging has been super slow and no idea why. I am using the official charger and cable that came with the phone, I used my wife's s20's charger with the same result and a third party charger with 3 different cables with similar results. Accubattery recorded that my phone's battery health is at 86% (3460mah) should I change it and lose my water/splash proof?
Oh yes I have flashed a few different ROMs (currently using Dr Ketan) with the same results except for evolution ROM, with the aosp ROM I was able to charge my phone from 14 percent to 100 in 90 minutes which is kinda weird...
Any advice would really help thank you
Click to expand...
Click to collapse
Get yourself one of those 2$ USB doctors. It will tell you how much power the phone is taking in. i.e. Fast charge should be 9 volts at about .8 amps and slow charge 5 volts at 1.5+ Amps.
Make sure your port is clean and moisture levels are low i.e should be below 80%.
I had this problem once when moisture was over 80%. It then went away. But at that time the phone will warn you about the extra moisture. It will say Moisture detected in USB port Fast Charging disabled.
The second time this happened was after the update to android 10. Had slow charging and overheating and audio acting up but that went away after re-setting the phone a few times and clearing cache.
The latest update to Android 10 seems to be causing a lot of issues with Display, Audio and overheating / slow charging. My audio chip finally stopped working. And the phone is now with Samsung.
My 2 cents if you see overheating and slow charging. Stop using the phone while its still working and take it to Samsung. Because if you continue to use it something will fail. And Samsung will want to give you a big fat bill to change it.
RonChinoy said:
Get yourself one of those 2$ USB doctors. It will tell you how much power the phone is taking in. i.e. Fast charge should be 9 volts at about .8 amps and slow charge 5 volts at 1.5+ Amps.
Make sure your port is clean and moisture levels are low i.e should be below 80%.
I had this problem once when moisture was over 80%. It then went away. But at that time the phone will warn you about the extra moisture. It will say Moisture detected in USB port Fast Charging disabled.
The second time this happened was after the update to android 10. Had slow charging and overheating and audio acting up but that went away after re-setting the phone a few times and clearing cache.
The latest update to Android 10 seems to be causing a lot of issues with Display, Audio and overheating / slow charging. My audio chip finally stopped working. And the phone is now with Samsung.
My 2 cents if you see overheating and slow charging. Stop using the phone while its still working and take it to Samsung. Because if you continue to use it something will fail. And Samsung will want to give you a big fat bill to change it.
Click to expand...
Click to collapse
Thanks for the advice and I'll see to it. It's just yeah it seems like after android 10 things have been degraded
So apparently turning off fast charging in options gives me a faster charge time. With fast charge on it takes from 7% to 100% in 3 and a half hours and with fast charge off it takes 2 hours only.... Maybe my fast charging "chip" / "module" is broke?
Supracer said:
So apparently turning off fast charging in options gives me a faster charge time. With fast charge on it takes from 7% to 100% in 3 and a half hours and with fast charge off it takes 2 hours only.... Maybe my fast charging "chip" / "module" is broke?
Click to expand...
Click to collapse
Have you tried installing the stock OS back onto your device?
iceepyon said:
Have you tried installing the stock OS back onto your device?
Click to expand...
Click to collapse
Yes I have tried, the June update one and got the same results. I even formatted everything and went bone stock with the same results. I'm thinking of using some contact cleaner on the usb port but hesitant to do that...
Supracer said:
Yes I have tried, the June update one and got the same results. I even formatted everything and went bone stock with the same results. I'm thinking of using some contact cleaner on the usb port but hesitant to do that...
Click to expand...
Click to collapse
Unless you see something in there I do not advise poking around inside.
I suspect your problem is that the Samsung USB cable packed up. And your trying with all kinds of cables and chargers. Go to a Samsung Store and ask them to check with a Samsung Cable and Charger.
I went thru this circus a few months back.
The only solution is to get a Samsung Charger with a Samsung Cable.
Then make sure fast charge is on. For wireless and wired charging. Wipe your cache and you should be ok.
I have seen way too many damaged USB ports from people trying to clean it. When there was nothing in there to start with. Use compressed air. If you see something in there.

Fast charging issue

So my note 9 (snapdragon) is never using fast charging and even if i manage to get it to give me fast charging it gives 1 hour 39 minutes to charge and takes 3 hours, when i charge by cable charging with disabling the fast charging setting it charges in 2 hours 10 minutes while it is cable charging not giving me fast, with the setting enabled it charges in 1 hour 59 minutes.
One side of the type-c never gives fast charging and the other side writes fast charging for 4-5 seconds then switch to cable charging and rarely doesn't switch but the charging time is 3 hours as i mentioned.
I tried everything possible other than trying to flash another software it is with the stock but unlocked.
I cleaned the socket, used 10 different chargers with different cables, wiped cache and tried safe mode and more.
Sorry for making it a long post but this problem is driving me crazy and i want to know can it be software issue not hardware because the phone is used for 2 months and the socket can't be cleaner, and if i flash the stock rom again will it be locked by T-mobile and i would need to unlock it again?
Thanks alot.
First of all, try to change the cable that 98% of the time is the problem when having these types of issues . Then consider the fact that the battery's temp influences the time needed for charging so if it's hot, software will decrease power in charging so that will give a longer time to charge. Even using the phone while charging or leaving apps in background will extend time for charging.
I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.
TokedUp said:
I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.
Click to expand...
Click to collapse
In every case, better Sammy's phone USB c connector then iPhones phone lightning connector because after a year you can't even charge the phone at all for having intermittent false contacts when you plug in the cable for the phones connector going bad....
TokedUp said:
I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.
Click to expand...
Click to collapse
It's possible the the USB C connection is faulty, it's also possible it's a faulty charger cable or even a faulty charger .
Eliminate one by one, buy a good USB C cable to check if that cures the problem, it often does.
Whilst as Tokedup says it may be the usb socket in the phone as according to his post he didn't fix the problem it's not possible to conclusively determine the cause.
It's unlikely to be caused by software, but high ambient or high battery temperature will lead to charge rate reduction
Maybe try an app like accubattery, this will show the charge rate in mA.
With a genuine charger and cable fast charge will reach a maximum of 2800mA
https://play.google.com/store/apps/details?id=com.digibites.accubattery
joedellosso69 said:
First of all, try to change the cable that 98% of the time is the problem when having these types of issues . Then consider the fact that the battery's temp influences the time needed for charging so if it's hot, software will decrease power in charging so that will give a longer time to charge. Even using the phone while charging or leaving apps in background will extend time for charging.
Click to expand...
Click to collapse
Well i tried everything you said with no success.
The problem is the phone isn't fast charging at all.
I believe it's the phone socket actually.
Thanks anyways
TokedUp said:
I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.
Click to expand...
Click to collapse
I think you are right but i didn't want to believe it because i am not going to change it and risk opening my phone i can try and live with that.
Thanks
paul_59 said:
It's possible the the USB C connection is faulty, it's also possible it's a faulty charger cable or even a faulty charger .
Eliminate one by one, buy a good USB C cable to check if that cures the problem, it often does.
Whilst as Tokedup says it may be the usb socket in the phone as according to his post he didn't fix the problem it's not possible to conclusively determine the cause.
It's unlikely to be caused by software, but high ambient or high battery temperature will lead to charge rate reduction
Maybe try an app like accubattery, this will show the charge rate in mA.
With a genuine charger and cable fast charge will reach a maximum of 2800mA
https://play.google.com/store/apps/details?id=com.digibites.accubattery
Click to expand...
Click to collapse
I already tried alot of cables and chargers so i am sure it's not one of them and now i am nearly certain it's the socket since you said it's unlikely to be a software issue, but i really wanted to know what could've caused it because i am sure i didn't do anything wrong.
I have been monitoring accubattery for a month now everytime i charge the phone. The mA is always between 800-1200mA and the phone takes nearly 2 hours to charge.
Thanks alot mate
just to be sure that it is not software related, remove all the battery optimization related 3rd party apps. clear cache and test the phone with stock usb cable and charger that came with the phone. what i had experience is that my note 9 SM-960F is sencitive to charger. if i use a third party fast charger or cable, it give me some sort of trouble like overheating or slow charging. so make sure you are using stock charger and cable that came with phone.
Munawar Mehmood said:
just to be sure that it is not software related, remove all the battery optimization related 3rd party apps. clear cache and test the phone with stock usb cable and charger that came with the phone. what i had experience is that my note 9 SM-960F is sencitive to charger. if i use a third party fast charger or cable, it give me some sort of trouble like overheating or slow charging. so make sure you are using stock charger and cable that came with phone.
Click to expand...
Click to collapse
I wiped data factory reset and cleared cache and tried safe mode so i don't think it's any of that.
the last try will be flashing the stock rom again but i am hesitant because i am afraid the phone will be locked again by T-mobile and i won't be able to unlock it
Thanks
Why not get a Samsung wireless quick-charger and try it?
A wireless charger will not be faster than cable charge but I would get one so you don't wear out that port to where it doesn't interface with a computer if needed in the future. Btw all my new phones thats the first thing I turn off is fast charging it degrades battery more over time.
TokedUp said:
I have posted this so many times.
Samsung uses cheap USBc connectors that short out. Once you lose FC the only way to get it back is so get a new USBc installed by Samsung or a third party. This happened to me about 4 months after I got phone. I never fixed but I will never buy Sammy again. Its not your cables, its not the power cube, its the connector on the actual phone.
Click to expand...
Click to collapse
When I purchased my note 9 I did a post somewhere where I said the weakest link in this phone is the Charging port. And so right from the first week I got a wireless charging pad.
Also during the rainy season I keeps saying there is moisture in the port. Basiclly god help you if you live in a place with high humidity.
Like you this is the last Samsung Note I will buy in this life. My Audio packed up after the update. I suspect the over heating caused this. And their support is outsourced in India so they don't give a hoot about your issues.
To the OP.
Try a wireless charger if that fast charges Then you know its a port issue. If that also does not fast charge then its a chip / board issue.
I predict all note 9 users are going to see more and more problems as the over heating causes components to start to fail.
You can get a new USB port with flex cable for like 4$ on ali express go for it.

Categories

Resources