Hi,
I know the specsheet says this phone has a 3090mAh battery, but for example AccuBattery estimates my battery to be 2875 mAh after a month of use.
Is this normal or am I just unlucky and lost the battery lottery?
Accubattery database has errors most of the times. In one month a battery cannot degrade that much with normal use.
Accubattery says that there should be a 3090mAh battery, so the database is correct.
This phone did never show an estimated capacity above 2880mah, meaning it possibly came from the factory like this.
I want to know if this is my device or this is something that all Nokia 8's have.
2875mAh works out to be ~93%, a 7% capacity difference from spec to use is low enough to probably fall into reducing 'full' charge/not charging to 100% to increase longevity, perhaps?
AccuBattery uses data provided by phone to calculate battery wear and the phone reports wrong numbers back apparently.
For my Nokia 8, the battery health status never showed more than 92% (I had AccuBattery installed since day one). That worried me and after a few weeks I did the manual measurement procedure described on AccuBattery website (How to: manually benchmark your battery health) and the result was above 3000mAh.
My hypothesis is that phone hardware reports a wrong number when it comes to battery charge level and that's what ruins AccuBattery estimation. You can see how long it takes to stop charging after it reports 100% charged if you look at charging current. So when it first shows 100% the battery it's not actually full. Also, I used AccuBattery with few other phones. This phone gives me the worst battery life when charged only to 80%, but it's one of the best if I over-charged it to 100%. That makes me think that 80% it's less than the real 80%.
luxianm said:
AccuBattery uses data provided by phone to calculate battery wear and the phone reports wrong numbers back apparently.
For my Nokia 8, the battery health status never showed more than 92% (I had AccuBattery installed since day one). That worried me and after a few weeks I did the manual measurement procedure described on AccuBattery website (How to: manually benchmark your battery health) and the result was above 3000mAh.
My hypothesis is that phone hardware reports a wrong number when it comes to battery charge level and that's what ruins AccuBattery estimation. You can see how long it takes to stop charging after it reports 100% charged if you look at charging current. So when it first shows 100% the battery it's not actually full. Also, I used AccuBattery with few other phones. This phone gives me the worst battery life when charged only to 80%, but it's one of the best if I over-charged it to 100%. That makes me think that 80% it's less than the real 80%.
Click to expand...
Click to collapse
Thanks! I was already suspecting this, as the battery life is excellent on this phone. I usually have more than 50% left at the end of the day, when my Nexus 5x would be nearly dead on it's second charge.
luxianm said:
AccuBattery uses data provided by phone to calculate battery wear and the phone reports wrong numbers back apparently.
For my Nokia 8, the battery health status never showed more than 92% (I had AccuBattery installed since day one). That worried me and after a few weeks I did the manual measurement procedure described on AccuBattery website (How to: manually benchmark your battery health) and the result was above 3000mAh.
My hypothesis is that phone hardware reports a wrong number when it comes to battery charge level and that's what ruins AccuBattery estimation. You can see how long it takes to stop charging after it reports 100% charged if you look at charging current. So when it first shows 100% the battery it's not actually full. Also, I used AccuBattery with few other phones. This phone gives me the worst battery life when charged only to 80%, but it's one of the best if I over-charged it to 100%. That makes me think that 80% it's less than the real 80%.
Click to expand...
Click to collapse
Strange that. Since I used accubattery pro since day one on my note 8 and it showed the full 3300mha . However using it since day one on my note 9 it doesn't show the full 4000mha.
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Sent from my SM-N960U1 using Tapatalk
If you want to learn your device's battery situation, you can try to look at some files in root directory. I write some commands on any Terminal App to learn my values. I currently use Qute as Terminal App. For this, i am putting directions you need.
1-Get a terminal app from Play Store ( Qute etc...).
2-Go to the app you downloaded.
3-Enter this command:
cat /sys/class/power_supply/bms/uevent
4-There is a value called POWER_SUPPLY_CHARGE_FULL. This value keeps your real battery capacity. Furthermore, you can glance at other values.
However, sometimes,2 values called POWER_SUPPLY_CHARGE_NOW and POWER_SUPPLY_CHARGE_NOW_RAW shows invalid values but when device charged up %10 to %100, values are calibrated.
The best way to learn your battery values is charging up your devices %10 to %100. After that, go Terminal App and enter the command that i shared.
Related
The phone usually keeps 100% charge overnight; and stays at 40% or more by evening.
Last 4/5 days, I notice battery going down real fast - and I attributed it to using stock CM 7.2 (was on squad's ROM for long).
Now, for 2/3 days, I find that the phone will not start / reboot unless power (USB or charget) is plugged, irrespective of battery level. Even rebooting at 80% battery, the phone will not reboot without power plugged in.
I tried going back to one of the nightly builds But, the issue, which surfaced with the latest "stable" official 7.2, has not gone away. So, this is probably not a ROM issue.
Any ideas?
Never keep your phone for overxhargin
Follow yhese steps
1 take a piece of paper
2 fold in a triangularshape with a pointy edge and is also qiute thin at the base
3 now remove your battery
4 u will see three puns where the battery gets attached. Ther put the poinyed tip on the midpin so as to cut the direct contact of the battery
5 let it keep ther and insert your battery wuth only midpin out of contact.
6 now switch on ur phone it shud start after it starts y can remove the piece of paper qmd put the back panel .
Sent from my GT-S5570 using XDA
No. This did not work. And I now have a new issue. The battery shows zero charge. And battery icon goes red if the usb or power charger is connected. Obviously, the issue is complicated now.
If charger is removed, power is 76%.
Now, I am in sos mode.
Try putting another battery maybe that will work for you.
Sent from my GT-S5570 using XDA
Try to recharge your battery in another phone, insert it back into yours, go directly into recovery (i assume you have CWM), and delete battery stats. After that, boot normaly, charge it up to 100% in your phone, power off but still hold on the charger for 5 mins. Then disconnect the charger and again go straight to recovery, and again delete the battery stats.
If you don't have another phone to charge the battery in, well, i don't have any smart idea. Maybe you should try Battery Calibration app from the market, to delete batterystat.bin when you are booted. Maybe that could fix the problem after a reboot.
Change ROM >_<
Sent from my GT-S5570 using xda premium
I'm facing this issue too, from past 10 days.
Note: I've calibrated phone many times. Also flashed another ROM but same problem in both ROM's. The below test is done without 3g, no wifi, GPS, or games. 2G/EGPRS is on.
At 1% Android shuts the phone, but the battery is actually 30% when charging in power-off.
Also, when the phone is charged to 100%, I unplug the charger, and battery stays @100% and rapidly drops to 90% in just 10 secs.
Now after 1 hr @ 65% (actual 70%) battery drops rapidly to 15%(actual50%) and stays there for ½ hr.
Here the battery is 4%(actual 45%) and for more than 1-2 hr it slowly goes to 3%,...2% and after 10-15min @1% it shuts off.
The charging is also weird.
The whole usage is just 2 hr in high usage. And for 6 hr in lazy.
All I think is the battery had weakened from all 9-10 months heavy usage.
If there is any remedy please...
Don't know why can't I upload screenshots (using xda app)
Maybe the battery is indeed ****ed up.. the best way to check this is with a voltmeter/multimeter: charge your phone to 100% in power-off mode, and then remove the battery. Check the voltage with the voltmeter, it should be right arround 4.2v. Insert it back and use your phone until android says battery is flat (or powers off, whatever). Remove the battery and check the voltage, if its 3.4v then its not a calibration problem but if its much more than it is, and you should recalibrate your battery.
genieass said:
The phone usually keeps 100% charge overnight; and stays at 40% or more by evening.
Last 4/5 days, I notice battery going down real fast - and I attributed it to using stock CM 7.2 (was on squad's ROM for long).
Now, for 2/3 days, I find that the phone will not start / reboot unless power (USB or charget) is plugged, irrespective of battery level. Even rebooting at 80% battery, the phone will not reboot without power plugged in.
I tried going back to one of the nightly builds But, the issue, which surfaced with the latest "stable" official 7.2, has not gone away. So, this is probably not a ROM issue.
Any ideas?
Click to expand...
Click to collapse
If all else fails and doesn't work for you, then I believe it's your charger that has the problem. Try using a different charger and see if I could have been right.
Sigh!!! What a relief guys!!!
The 2nd issue (showing 0 % charge) was caused by lint from the paper when I tried the insulate the middle contact hint. Once the lint was removed, phone charged normally; ut the no reboot issue remained.
Now, I moved up from the stable to 16/6/2012 nightly build, and now things are solved. I also deleted batstats.bin manually.
Regarding measuring the battery voltage - how accurate is the measurement in Spare Parts > Battery Status?
What the 3 terminals on the battery? (In other words - the red of the multimeters goes to??? Black goes to??? ) Sorry - my electronics are getting rusty.
<fun>
Another issue is angry birds. They are attracting my kids sooo much that the kids (note the plural) have figured out how to snitch the phone from its high perch, unlock, open the drawher and start angry birds. ;-D So, really not able to check normal drainage. Anyway, I will try measuring the voltage.
</fun>
The middle terminal is for temperature or some kind of electronics inside the battery that prevents from overcharging-i'm not sure, but it doesn't matter when measuring battery voltage. Two terminals next to the middle one are what are you looking for- the one marked with a + is positive and you put your red lead to that terminal. Black lead goes to the negative (minus -) terminal. At full charge you should be getting arround 4.15~4.2v. When flat, it can vary, but i think it goes off at 3.4v - not sure exactly how much it is. And yeah, you're measuring DC voltage here
I've had problems with my battery running Official Samsung stock ROM 2.3.6. Something was just draining my battery. Installation of Juice Defender to prolonge battery discharging didn't help at all, often cleared RAM, rebooting phone etc etc but nothing helped. Sometimes battery drained for a day even though there was minimum usage, 2-3 sms, 2-3 mins of calls and that's it. Since flashing to CM 7.2 official it's been more than 2 days since last time I recharge battery and there's been some heavy usage of my mobile and battery is still 35% :good:
Thanks to all who have replied so far.
Right now, from spare parts, I can see that at 100% the battery voltage is 4233 mV at less than 15% charge. It is 36xx mV.
Also, from spare parts, I notice. Abnormal sensor usage by Ndtv profit, an app for a Tv channels website.
Have removed it.
After last post, fully charged phone. Voltage was 4250 mV. Right now, it is at 85% charge with voltage at 4050 mV. :screwy::
That looks ok to me, either you have a battery leak (an app or the rom) or the battery is dead and needs replacement
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(don't go on the time on statusbar. It is taken on different dates)
Is everything alright?
At first update 4.3 seemed like a good idea but now ... here is what happened ..
I put my phone on the flight mode then plugged it to the charger and went to sleep then woke up in the middle of the night and saw it fully charged then unhooked it and continued my sleep.
i woke then had my breakfast and went my phone and I saw that it's battery level at 86% and the reason for it was HTC Services !!
Is there workaround to shut them because I really don't need them .
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Dark Sector said:
At first update 4.3 seemed like a good idea but now ... here is what happened ..
I put my phone on the flight mode then plugged it to the charger and went to sleep then woke up in the middle of the night and saw it fully charged then unhooked it and continued my sleep.
i woke then had my breakfast and went my phone and I saw that it's battery level at 86% and the reason for it was HTC Services !!
Is there workaround to shut them because I really don't need them .
Click to expand...
Click to collapse
I'm not sure you can disable them, I assume this is a rather vital part of Sense.
However, I'd take this with a grain of salt. Since the update, the system seems to handle battery percentages above 90% differently as part of some weird battery lifetime protection scheme. After the battery reaches 90%, it climbs up to 100% in just a few minutes and the phone acts as if it is fully charged. If you then disconnect it, it will drop back to 90% just as fast. This would mean that if you managed to disconnect it shortly after it climbed to 100%, the actual battery usage in your case was only ~5% instead of 14% and the fact that GSam reports HTC Services as the top battery hog is simply because this app was the only one doing anything in the time frame.
To avoid this behavior, leave the phone on AC even after it reports full battery, it will keep charging the battery, albeit at a slower rate. If you leave it charging longer, it will last above the 90% mark for a longer time.
koniiiik said:
I'm not sure you can disable them, I assume this is a rather vital part of Sense.
However, I'd take this with a grain of salt. Since the update, the system seems to handle battery percentages above 90% differently as part of some weird battery lifetime protection scheme. After the battery reaches 90%, it climbs up to 100% in just a few minutes and the phone acts as if it is fully charged. If you then disconnect it, it will drop back to 90% just as fast. This would mean that if you managed to disconnect it shortly after it climbed to 100%, the actual battery usage in your case was only ~5% instead of 14% and the fact that GSam reports HTC Services as the top battery hog is simply because this app was the only one doing anything in the time frame.
To avoid this behavior, leave the phone on AC even after it reports full battery, it will keep charging the battery, albeit at a slower rate. If you leave it charging longer, it will last above the 90% mark for a longer time.
Click to expand...
Click to collapse
That has been my experience as well.
I guess we all agree that there's a problem and koniiik might be right .
But I think that there is a bug in one of the HTC Services apps because it remained at the top of battery usage for another day then it went back to normal after the third charge and the battery became stable .
I noticed something that might be good for sharing! Always when I'm charging with 'Power Saver' manually activated it seems that the phone charges better than with this option disabled...With option off(or activated automatically) it charges to 100% but then fast it goes below 90% pretty fast...with option enabled it seems to keep longer before going under 90%...
Does anyone experience the same thing or it's just my imagination?:cyclops:
elf_made said:
I noticed something that might be good for sharing! Always when I'm charging with 'Power Saver' manually activated it seems that the phone charges better than with this option disabled...With option off(or activated automatically) it charges to 100% but then fast it goes below 90% pretty fast...with option enabled it seems to keep longer before going under 90%...
Does anyone experience the same thing or it's just my imagination?:cyclops:
Click to expand...
Click to collapse
I have the power saver on nearly all the time and I'm still getting this behavior.
Hi,
I just recently purchased a "new" Moto X from eBay. I've been trying to calibrate the battery, and it seems to be slowly improving, but the results are not what I was hoping for.
Day 1:
Battery drained from 100% to 70% in two hours of use
Day 2:
Charged 100%, left it unplugged overnight. Drained from 100% to 88% by the time I woke up. Could not make it throughout the entire day without having to supplement the charge by around 7:00pm. Minimal use.. maybe 2 hours of screen time, 14 hours on.
Day 3 (today):
Charged overnight. Took it off the charge at 11:00am. Battery remained at 100% until 11:30, and sporadically skipped 99, 98, and 97% and jumped straight down to 96%. It is now 3:04pm, and with light use I'm down to 65% battery. 1hr 40m screen on time, and 3hr 55 min on battery. View the 3 attachments for battery life information.
Is this normal, or is my unit defective?
Edit: I end processes as soon as I'm finished with them, I keep the screen on the bare minimum brightness, and I disabled most of the apps that I don't use.
Give it a few days and leave everything on auto. No need to close apps anymore and the battery saver setting is useless. The only things I toggle on and off are WiFi, Bluetooth, and NFC. Everything else is on all of the time. I use lux for brightness because I prefer brighter than stock.
Today has been an average usage day, no calls. Here is my usage
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Skim through this thread. Tonnes of good advice in it. Read enough of it and you should be all set.
http://forum.xda-developers.com/showthread.php?t=2418077
Sent from my N5, N7, Moto X, G Tab 3 or S2.....
Valtarian said:
Hi,
I just recently purchased a "new" Moto X from eBay. I've been trying to calibrate the battery, and it seems to be slowly improving, but the results are not what I was hoping for.
Day 1:
Battery drained from 100% to 70% in two hours of use
Day 2:
Charged 100%, left it unplugged overnight. Drained from 100% to 88% by the time I woke up. Could not make it throughout the entire day without having to supplement the charge by around 7:00pm. Minimal use.. maybe 2 hours of screen time, 14 hours on.
Day 3 (today):
Charged overnight. Took it off the charge at 11:00am. Battery remained at 100% until 11:30, and sporadically skipped 99, 98, and 97% and jumped straight down to 96%. It is now 3:04pm, and with light use I'm down to 65% battery. 1hr 40m screen on time, and 3hr 55 min on battery. View the 3 attachments for battery life information.
Is this normal, or is my unit defective?
Edit: I end processes as soon as I'm finished with them, I keep the screen on the bare minimum brightness, and I disabled most of the apps that I don't use.
Click to expand...
Click to collapse
Battery life depends a lot on signal strength. I get horrible battery life at work because I can hardly get two bars to show. Great signal=great battery life. This doesn't apply to Wi-Fi connection because the signal does not have to travel that far.
Hope this helps.
Sent from my XT1053 using Tapatalk
I'm getting poor standby and was wondering why and how to improve it. Tried many things but have not made any difference.
Tried Greenify, Hibernation manager, built in battery saver but still getting below average battery life.
Overnight I am losing around 4% battery which is too much over a 6-7 hour period. 1-2% max would of been what it should be.
I hardly have any apps and around 4.3gb free ram at all times.
Currently running Epic rom 7.0 by Mr Raines. Even did a battery calibration but still battery is draining without use.
Screen on time is quite good, getting 6.5 to around 7 hours but I believe standby can be improved.
Some stats which may help:
Battery use - Apps:
Chrome 15%
Android System 11.9%
Android 6.3%
YouTube - 2.8%
WhatsApp 2.5%
Camera 1.9%
Google Services - 1.2%
Battery use - Hardware:
Screen 18.2%
Phone idle - 18.1%
Voice calls- 11.5%
Cell Standby - 4.9%
Wlan - 2%
Currently Screen on time has been 4 hours 44 minutes and the phone has only been idle for 1 days and 16 hours. Remaining battery is 26% which I think is poor considering screen on time has been under 5 hours...
Any tips or help is appreciated. Thanks to anyone who can help.
Nobody is able to help?
Is it normal for ''phone idle'' to be high? Phone idle is the highest, 25% followed by screen 22% and voice calls 8%
I think phone idle is too much and consuming too much power? Why? I have 2 sim cards with excellent reception always full up.
kanej2006 said:
Nobody is able to help?
Is it normal for ''phone idle'' to be high? Phone idle is the highest, 25% followed by screen 22% and voice calls 8%
I think phone idle is too much and consuming too much power? Why? I have 2 sim cards with excellent reception always full up.
Click to expand...
Click to collapse
I guess you're using some apps which keep running in background and hold your device awake. Basically, turn off mobile data and wifi and see if the consumption is still the same. And technically use some battery observing apps like 'better battery stats' or others to see what actually makes your device consume much. Yet, it can be an issue of Nougat though since it's kinda new and not official.
I usually get 7.3-8.3H sot over one and a half day, I just checked the consumption of 'screen off' is %11 percentage over 2 days usage. I turn off(generally) data and wifi when screen is off, disable notifications and led and never use hibernation apps instead of native Miui power saver. The consumption perhaps can be decreased more but i don't really care since im Ok with it for now.
Mi MIX
7.5.4 Épic
Konsstantine34 said:
I guess you're using some apps which keep running in background and hold your device awake. Basically, turn off mobile data and wifi and see if the consumption is still the same. And technically use some battery observing apps like 'better battery stats' or others to see what actually makes your device consume much. Yet, it can be an issue of Nougat though since it's kinda new and not official.
I usually get 7.3-8.3H sot over one and a half day, I just checked the consumption of 'screen off' is %11 percentage over 2 days usage. I turn off(generally) data and wifi when screen is off, disable notifications and led and never use hibernation apps instead of native Miui power saver. The consumption perhaps can be decreased more but i don't really care since im Ok with it for now.
Mi MIX
7.5.4 Épic
Click to expand...
Click to collapse
Strange because I hardly have any apps. When using cache defrag, I have 97% free storage!! I feel that Google apps/services are to blame. My screen consumption is on par or slightly lower than phone idle.
I even tried Gapps/Gservices, however, unfortunately it made no difference.
And here I am, sometimes losing about 8-9% over 9 hours and sometimes only 5% over the same period and being happy.
Battery standby is terrible. Phone idle is taking way too much battery, less than 2 days and over 20%
What can I do? I've never had such high usage previously on any other phone.
Refer to the screen shot :
http://i67.tinypic.com/jrwehl.png
kanej2006 said:
Battery standby is terrible. Phone idle is taking way too much battery, less than 2 days and over 20%
What can I do? I've never had such high usage previously on any other phone.
Refer to the screen shot :
http://i67.tinypic.com/jrwehl.png
Click to expand...
Click to collapse
kanej2006 said:
kanej2006 said:
Battery standby is terrible. Phone idle is taking way too much battery, less than 2 days and over 20%
What can I do? I've never had such high usage previously on any other phone.
Refer to the screen shot :
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Click to expand...
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Click to expand...
Click to collapse
Ok, I know that maybe it's too early even to write something like that, but I would like to get your opinions/experience on this topic.
I have been using a brand new Huawei P20 Pro since the day before yesterday (Saturday). On that day, I unboxed the phone at around 5 pm (battery was 55%), and after installing the updates and everything, at 11:30 pm it was gone. I plugged it and charged overnight, then used it the next day from 10am to 11:30 pm, being quite happy about the battery usage (it was 40% yesterday evening). This morning I switched off the airplane mode at around 9, and suddenly started to notice that battery usage was different, like the phone was dropping 1% every 2 minutes just scrolling on Facebook or browsing online. At 4 pm, battery was 16%, and after 1 hour without using it, it was 4% and phone shut off.
As I told at the beginning, I know that it's probably too early to worry, but have you noticed anything similar on your devices?
Thanks!
Almost no problems here. I've had mine for around two weeks and so far its battery life has outperformed all my previous smartphones (various Samsung models).
I did say almost because there was one day about a week ago where battery was dropping a fair bit quicker than usual, though nothing nearly as dramatic as what you described. If I remember correctly a charge and a restart fixed it. I've had similar experiences with my past phones once in a while, so I'm guessing an app or the OS itself runs wild sometimes?
If your problem persists then you might have a faulty unit of course.
Thanks for your answer...
This is my latest battery usage. I charged the phone to 100% yesterday and unplugged it at around 8. Now it's at 5%. What worries me is the fact that this afternoon, while screen was on, battery dropped about 1% every 2-3 minutes...
Current SOT is 4h 33m. I mean, that's okay, but so far from the incredible results I've read on the Internet (people posting pictures of 6-7-8hrs of SOT). Stats don't seem to report anything unusual: most consumption comes from WhatsApp, then Telegram and Facebook.
Have you ever experienced something like that on your device? I read on another thread here on XDA that people noticed a better usage of battery after a week... Should I wait before worrying?
Thanks.
Pic here
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I haven't been keeping a close look on battery use until now, and I haven't done any screen on-time tests.
I just checked my current stats in the system battery screen and from the Ampere app (and I just installed AccuBattery now that I'm curious) and when I put on charge now I still had 64% battery left after almost 17 hours of use and three and half hours of screen time.
MikeMTS said:
I haven't been keeping a close look on battery use until now, and I haven't done any screen on-time tests.
I just checked my current stats in the system battery screen and from the Ampere app (and I just installed AccuBattery now that I'm curious) and when I put on charge now I still had 64% battery left after almost 17 hours of use and three and half hours of screen time.
Click to expand...
Click to collapse
That's amazing... Mine is nothing comparable to this. BTW, it looks we're on different builds. Which version are you using?
Clt-l29 8.1.0.107(c432)
NemosNemos said:
Ok, I know that maybe it's too early even to write something like that, but I would like to get your opinions/experience on this topic.
I have been using a brand new Huawei P20 Pro since the day before yesterday (Saturday). On that day, I unboxed the phone at around 5 pm (battery was 55%), and after installing the updates and everything, at 11:30 pm it was gone. I plugged it and charged overnight, then used it the next day from 10am to 11:30 pm, being quite happy about the battery usage (it was 40% yesterday evening). This morning I switched off the airplane mode at around 9, and suddenly started to notice that battery usage was different, like the phone was dropping 1% every 2 minutes just scrolling on Facebook or browsing online. At 4 pm, battery was 16%, and after 1 hour without using it, it was 4% and phone shut off.
As I told at the beginning, I know that it's probably too early to worry, but have you noticed anything similar on your devices?
Thanks!
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Have you found a fix to that? I'm getting 4-5h SOT MAX with WI-Fi ON, Data ON, Instagram usage, facebook, viber, messenger... Always on Display, face recognition.
Shut down always display