[Q] Excessive battery drain while completely powered off - Verizon HTC One (M7)

I'm having a very interesting issue with my HTC One. When I power the phone completely off (ie: Hold power button, click power off), the battery still drains when left alone for a few hours. I'd except maybe a percentage or two drained when the phone first boots back up, but its kinda unacceptable that in ~12 hours the battery goes down 15+%!!
Last night, at 8:00PM EST, I turned off my One with a bit over 80% battery remaining. I even rebooted into recovery this time and hit power off to ensure that the phone wasn't doing some crazy deep-sleep hibernation junk. This morning, at 9:00AM I turned the phone back on and had 63% battery! About a 20% drain for 13 hours of completely powered-off sitting on a desk? I've attached a screenshot to further describe the issue. I'm at a loss for this one. With my usage, the phone honestly drains the same amount of power with the phone off than if I just left it on!
To add more confusion: When I first got the phone (Monday after the launch), I didn't have this problem. I'd turn the phone off with 100% once it was charged and 12 hours later turn it back on to 100%. A week or two into using the phone, I started seeing this. I thought it was something weird with Stock, and Googling suggested that the HTC One had some deep-sleep hibernation mode to make boots faster, but after installing CM10.2 I have the same issue. Even with powering the phone off from recovery!
Any ideas? Anyone else noticing this? Is my One defective? (I hope I don't need to send it back.......)

Rain724 said:
I'm having a very interesting issue with my HTC One. When I power the phone completely off (ie: Hold power button, click power off), the battery still drains when left alone for a few hours. I'd except maybe a percentage or two drained when the phone first boots back up, but its kinda unacceptable that in ~12 hours the battery goes down 15+%!!
Last night, at 8:00PM EST, I turned off my One with a bit over 80% battery remaining. I even rebooted into recovery this time and hit power off to ensure that the phone wasn't doing some crazy deep-sleep hibernation junk. This morning, at 9:00AM I turned the phone back on and had 63% battery! About a 20% drain for 13 hours of completely powered-off sitting on a desk? I've attached a screenshot to further describe the issue. I'm at a loss for this one. With my usage, the phone honestly drains the same amount of power with the phone off than if I just left it on!
To add more confusion: When I first got the phone (Monday after the launch), I didn't have this problem. I'd turn the phone off with 100% once it was charged and 12 hours later turn it back on to 100%. A week or two into using the phone, I started seeing this. I thought it was something weird with Stock, and Googling suggested that the HTC One had some deep-sleep hibernation mode to make boots faster, but after installing CM10.2 I have the same issue. Even with powering the phone off from recovery!
Any ideas? Anyone else noticing this? Is my One defective? (I hope I don't need to send it back.......)
Click to expand...
Click to collapse
You have to go into settings>power and uncheck fast boot. With this check it kinda puts the phone into hibernation mode and it never totally turns off.
My solution above is for a Sense based ROM not sure what may be causing this running a CM based ROM. Kernel maybe????

mademan420 said:
You have to go into settings>power and uncheck fast boot. With this check it kinda puts the phone into hibernation mode and it never totally turns off.
Click to expand...
Click to collapse
I did this while still on Stock; didn't change anything. Note that I'm now on CM10.2 where Fast Boot isn't a thing. Also, powering off from recovery should negate any hibernation, which I tried last night and still saw a 20% drain in 12 hours!

Rain724 said:
I did this while still on Stock; didn't change anything. Note that I'm now on CM10.2 where Fast Boot isn't a thing. Also, powering off from recovery should negate any hibernation, which I tried last night and still saw a 20% drain in 12 hours!
Click to expand...
Click to collapse
CLUELESS I don't get that kinda drain with my phone being on and untouched. It may be a defective battery.

mademan420 said:
CLUELESS I don't get that kinda drain with my phone being on and untouched. It may be a defective battery.
Click to expand...
Click to collapse
That's what I'm thinking, although what is weird is that usually batteries are either defective on day 1, or degrade over time. It's weird that in the course of a week or two I went from a seemingly perfect battery (maintained charge while powered off) to a terrible battery.
To make matters weirder: I'd expect more than terrible battery life while the phone is on, although I'm not seeing anything excessively bad. This is going to be a nightmare trying to explain to VZ, especially because I can't just tell them I've diagnosed with CM10.2 and a custom recovery. What sucks the most is I'm (more than likely) going to get a "certified like-new" phone back... ugh...

Rain724 said:
That's what I'm thinking, although what is weird is that usually batteries are either defective on day 1, or degrade over time. It's weird that in the course of a week or two I went from a seemingly perfect battery (maintained charge while powered off) to a terrible battery.
To make matters weirder: I'd expect more than terrible battery life while the phone is on, although I'm not seeing anything excessively bad. This is going to be a nightmare trying to explain to VZ, especially because I can't just tell them I've diagnosed with CM10.2 and a custom recovery. What sucks the most is I'm (more than likely) going to get a "certified like-new" phone back... ugh...
Click to expand...
Click to collapse
Yeah, I feel your pain GOOD LUCK:fingers-crossed:

Related

[Q] Battery % increase with reboot?

Last night my phone was down to like 5% so I plugged it into the charger and kept using it. It was plugged in for maybe 10 minutes when I got another bettery warning that my device was at 14% (the plug had come out). Since I was almost done, I decided to leave it unplugged since the plug gets in the way anyway. Shortly thereafter, I think the Volume+ app caused my phone to crash. It just turned off. When I turned it back on, my battery was reporting 39%! I wondered if it was a fluke, so to test, I switched to 4G from WiFi on, listened to music, and continued to use my device to see if I did indeed have more time with it. It went for another 40 minutes or so before the battery was back down to 5% and I plugged it back in and went to bed.
What gives? I feel like my battery life is exceptionally awful, but I thought I was experiencing the Android OS awake thing, since my awake times do seem to be pretty high, like 50% of my time on battery even though the screen is probably on for less than 25% of my time on battery and I only have google apps set to sync in the background. Last night's mysterious battery increase now leads me to think differently though.
Are my battery stats out of whack? I'm not rooted yet so I can't reset them that I know of. I am planning to tackle it this weekend, though. I was waiting to make sure the phone doesn't have any issues so I didn't have to go through relocking it to return it.
Attempting to attach a screen shot.
Normal Android behavior. I've seen it on every device I've had since the G1
The battery and the OS become mismatched if you restart while charging. The OS will report a "faster drain" when it reality itsvjust trying to match back up with the battery.
Sent from my Galaxy Nexus

[Q] Inc consumes battery when turned off

tldr: My Incredible drains battery when turned off :-/
I have an HTC Droid Incredible that I use for testing my developed apps, and for playing around with people's roms, and I have found an odd issue with it. I can charge up the battery and use it for hours and hours and it consumes what I would consider a normal amount of charge, but when I turn it off, it still consumes battery charge. I'll charge it to 100% and disconnect the charger, hold the power button and select Power Off, and when I turn it on the next day the battery is very depleted. Yesterday I did this, and this morning about 16 hours later, I turned it on to see a 23% charge. If I leave it for more than a couple days, it won't even turn on at all and I have to charge it again before I can do anything with it.
I've tested this over the past few weeks with two separate batteries (one used, one brand new), and the same thing happens with each battery. It's definitely the phone and not the battery, because I have taken the batteries out completely, waited a few days, and they stay near 100% charge.
Some history on this phone:
I got this phone from a friend in a semi-working state. I couldn't root, s-off, or really do anything with it, so I did a factory reset, messed with it for a while, and finally decided to follow the steps in this thread to "unlock,downgrade,and achieve s-off with htcDev". This has allowed me to mess with roms, etc, so I have installed a couple, and now have "inc-eng 4.1.1 RC2" installed from this thread, and this kernel: "[email protected] #64 Mon Sep 3 18:55:57 EDT 2012"
The issue at hand however was happening before I even had it in my hands, as my friend described the same thing happening to him (he did not mess with rooting, roms, etc).
BipolarMike said:
tldr: My Incredible drains battery when turned off :-/
I have an HTC Droid Incredible that I use for testing my developed apps, and for playing around with people's roms, and I have found an odd issue with it. I can charge up the battery and use it for hours and hours and it consumes what I would consider a normal amount of charge, but when I turn it off, it still consumes battery charge. I'll charge it to 100% and disconnect the charger, hold the power button and select Power Off, and when I turn it on the next day the battery is very depleted. Yesterday I did this, and this morning about 16 hours later, I turned it on to see a 23% charge. If I leave it for more than a couple days, it won't even turn on at all and I have to charge it again before I can do anything with it.
I've tested this over the past few weeks with two separate batteries (one used, one brand new), and the same thing happens with each battery. It's definitely the phone and not the battery, because I have taken the batteries out completely, waited a few days, and they stay near 100% charge.
Some history on this phone:
I got this phone from a friend in a semi-working state. I couldn't root, s-off, or really do anything with it, so I did a factory reset, messed with it for a while, and finally decided to follow the steps in this thread to "unlock,downgrade,and achieve s-off with htcDev". This has allowed me to mess with roms, etc, so I have installed a couple, and now have "inc-eng 4.1.1 RC2" installed from this thread, and this kernel: "[email protected] #64 Mon Sep 3 18:55:57 EDT 2012"
The issue at hand however was happening before I even had it in my hands, as my friend described the same thing happening to him (he did not mess with rooting, roms, etc).
Click to expand...
Click to collapse
Maybe the battery is bad... take it out of the phone at 100 and leave it overnight and see what happens life wise
Sent from my EPAD using xda app-developers app
zachf714 said:
Maybe the battery is bad... take it out of the phone at 100 and leave it overnight and see what happens life wise
Sent from my EPAD using xda app-developers app
Click to expand...
Click to collapse
Thanks, but I did test that, with both of the batteries I have. I've left them for multiple days out of the phone, and when put back in they show 95-100%.
Maybe it's not turning off all the way.
Here's another test: turn it off, remove the battery for about a minute, then put the battery back in. Turn it on the next day and look at the battery level.
Might be a ROM issue. What ROMs have you tried this with? Have you tried stock sense and CM7?
Will do, I'll post tomorrow with my results.
If you have fastboot enabled then the phone is never really off. Try charging it then pull the battery, and put it back in the phone but leave it off. Turn it on latter and see if there was any battery loss. Fastboot is like hibernation. Its possible that some app is misbehaving and trying to sync or something while its hibernating, draining the battery.
Alrighty so yesterday I charged both batteries to 100%.
Battery A stayed out of the phone on my desk.
Battery B I removed from the phone, waited 10 seconds, and put back in the phone (I did not turn it on).
This morning, the phone (with Battery B in it) would not turn on until I charged it for a few minutes, and displayed 0% charge when it finally let me turn it on with the charger connected.
This is so weird...
Also, the rom I'm using doesn't have a fastboot option that I can find.
cmlusco said:
If you have fastboot enabled then the phone is never really off. Try charging it then pull the battery, and put it back in the phone but leave it off. Turn it on latter and see if there was any battery loss. Fastboot is like hibernation. Its possible that some app is misbehaving and trying to sync or something while its hibernating, draining the battery.
Click to expand...
Click to collapse
Okay so Battery A I put into the phone at 4pm yesterday, turned it on and found it had a 73% charge. I then turned the phone off, waited a few minutes, put the battery in and left it on my desk. This morning 12 hours later, I turned it on and it has a 25% charge.
I'm so confused... if I don't turn the phone on, how are the batteries discharging? Both batteries keep their charge when left out of the phone for a prolonged period, but discharge when in a phone that hasn't been turned on. Bah! >_<
BipolarMike said:
Okay so Battery A I put into the phone at 4pm yesterday, turned it on and found it had a 73% charge. I then turned the phone off, waited a few minutes, put the battery in and left it on my desk. This morning 12 hours later, I turned it on and it has a 25% charge.
I'm so confused... if I don't turn the phone on, how are the batteries discharging? Both batteries keep their charge when left out of the phone for a prolonged period, but discharge when in a phone that hasn't been turned on. Bah! >_<
Click to expand...
Click to collapse
Mabey there is a short in your phone somewhere. Does the battery last like normal when the phone is on, or does it also die quickly?
cmlusco said:
Mabey there is a short in your phone somewhere. Does the battery last like normal when the phone is on, or does it also die quickly?
Click to expand...
Click to collapse
I'll have to test this when i get home, but I beleieve the battery discharges at a normal rate when the phone is on.
(this is not my normal phone, just one I use for testing apps, etc. so I don't use it on a regular basis)
I'll charge one of the batteries to 100% and leave it on overnight, and post my results.
BipolarMike said:
I'll have to test this when i get home, but I beleieve the battery discharges at a normal rate when the phone is on.
(this is not my normal phone, just one I use for testing apps, etc. so I don't use it on a regular basis)
I'll charge one of the batteries to 100% and leave it on overnight, and post my results.
Click to expand...
Click to collapse
Okay I left my phone on for 18 hours in airplane mode, and it drained battery SLOWER than with the battery inserted into the phone and the phone never turned on.
So weird... I don't understand.
BipolarMike said:
Okay I left my phone on for 18 hours in airplane mode, and it drained battery SLOWER than with the battery inserted into the phone and the phone never turned on.
So weird... I don't understand.
Click to expand...
Click to collapse
Very strange. I have no clue what would cause something like that.
cmlusco said:
Very strange. I have no clue what would cause something like that.
Click to expand...
Click to collapse
Mine drains when all the way off 2 but not that bad... I think it may be the MotherBoard keeping power to the Nand memory so it dosen't relock and keeping power to the CPU so it can be quicker on bootup
zachf714 said:
Mine drains when all the way off 2 but not that bad... I think it may be the MotherBoard keeping power to the Nand memory so it dosen't relock and keeping power to the CPU so it can be quicker on bootup
Click to expand...
Click to collapse
I'm assuming there's no way to stop it from doing this?
It's not a huge deal, as this is a test phone I use for development, but I may be eventually selling my test phones, so I try to keep them in good working order, or get them to a decent refurbished point Plus this is a weird enough phenomenon that I figured it deserved discussion.
BipolarMike said:
I'm assuming there's no way to stop it from doing this?
It's not a huge deal, as this is a test phone I use for development, but I may be eventually selling my test phones, so I try to keep them in good working order, or get them to a decent refurbished point Plus this is a weird enough phenomenon that I figured it deserved discussion.
Click to expand...
Click to collapse
There maybe no stopping it I guess because mine does it 2 but not that fast..... Oh yeah an I think this is the 1 test phone you don't sell It has 2 many good devs

Battery Stuck at "100% - Not Charging"

After I finished charging my tablet to 100% today, I set it down and went on with my tasks for the day. Checking it here and there, I didn't realize until now that the battery has remained at 100% for the past six hours. I have tried powering down and booting back up as well as plugging the tablet in briefly.
Both the battery menu and Dashclock display "Not charging" instead of "Discharging." When I plug the tablet in, it immediately tells me that it is fully charged.
So needless to say, I'm looking for a solution, preferably simple. Factory reset is a last resort. I'm running an unlocked and rooted Nexus 7 (2013) with stock 4.3, so no third-party ROMs or kernels messing with the battery.
This issue is ironic because I was pretty close to fully-charged last night (80-90%) and when I woke up, I was at ~50% and the battery menu displaying that "Android OS" was hogging 50% of my battery usage. Normally screen comes out on top. I attributed this to my home Wi-Fi router's flakiness, rebooted the router, and the tablet seemed to restore to the correct battery usage levels.
this actually happened to me the other day. left the n7 on the wireless charger overnight and woke up to battery stuck at 100%. at first I thought I was getting some stupid crazy awesome battery life, but then realized it was just stuck.
i did a factory reset to "fix it"...
Nexus 7 1st gen had that same issue. Mine resolves itself after a few charge cycles. Basically the % just gets pinned @ 100% and starts draining down when in reality the tablet might be ~70-80%. Just keep using it and it'll drop. Problem is, since the calibration is off, using it while you have this issue to ~20-30% may cause it to run out of juice and shut off on you since in reality it would be 0%. So I'd use it down a lil bit and put it back on the charger. I just didn't think the new one would have the same problem :\
Have you tried booting into the recovery to see if the battery percent is correctly displayed there?
I ended up booting into TWRP, where the battery displayed as 100%. It may have just been some sweet battery life, but it actually seems like it was stuck, or at least discharging at a very slow rate. Down to 87% currently, so it was fixed after I booted into recovery. Thankfully, just a hiccup and no factory reset necessary.
Experienced another random reboot today, but lucky me, I get to save that for another thread!
Aria807 said:
Nexus 7 1st gen had that same issue. Mine resolves itself after a few charge cycles. Basically the % just gets pinned @ 100% and starts draining down when in reality the tablet might be ~70-80%. Just keep using it and it'll drop. Problem is, since the calibration is off, using it while you have this issue to ~20-30% may cause it to run out of juice and shut off on you since in reality it would be 0%. So I'd use it down a lil bit and put it back on the charger. I just didn't think the new one would have the same problem :\
Click to expand...
Click to collapse
So this has become a common problem for me now. every time i fully charge the N7 and leave it plugged in the battery percentage gets stuck. rebooting in recovery gets it unstuck but throws off the calibration/percentage.

Phone was 25% battery, But 50% battery after reboot?

Hey guys, I've had my phone for 4 or so months now and I always charge it while my phone is off and never had any charging/battery issues until today, I decided to charge my phone while it's on and it charged up to 25% and I restarted my phone without removing it from the charger and after it booted back it it's showing 50%, I restarted a few times, tried a cold boot, it's still 50%.
Is this a known issue with this phone? does anyone know what's causing this? I've never had this happen before.
EDIT: After this happened I ran my battery to 0% so I can attempt a battery calibration and when I poped it on the charger it showed my battery was actually 0% and showed a yellow hazard triangle thing (normally it only drops to 1% and there has never been a yellow triangle before)
Sometimes the Android system can incorrectly report a battery charged. I have had it happen to me on my Nexus by about 10%, but have not had it happen to me on my G3. I would not worry about it too much if it only happened to you once. If in continues you to jump around in battery percentage, then I would suggest getting a replacement battery. Keep in mind to try not to leave it charging for very long after reaching 100%, from my experience it can effect a battery's ability to hold a charge if that is done repeatedly. Which means do not leave it charging overnight while you are sleeping. Also I would not suggest running it until 0%, I would imagine a sudden shut down of the Android Operating system is not a healthy thing for it either. Just like it is not good to go up to a computer and just pull the power cord.
AndroidPurity said:
Sometimes the Android system can incorrectly report a battery charged. I have had it happen to me on my Nexus by about 10%, but have not had it happen to me on my G3. I would not worry about it too much if it only happened to you once. If in continues you to jump around in battery percentage, then I would suggest getting a replacement battery. Keep in mind to try not to leave it charging for very long after reaching 100%, from my experience it can effect a battery's ability to hold a charge if that is done repeatedly. Which means do not leave it charging overnight while you are sleeping. Also I would not suggest running it until 0%, I would imagine a sudden shut down of the Android Operating system is not a healthy thing for it either. Just like it is not good to go up to a computer and just pull the power cord.
Click to expand...
Click to collapse
Thanks for the input.
I never leave my phone on the charger while I sleep since it only drops 1% while I sleep. My phone actually only goes on the charger like 3 times a month
I know it's not good to fully drain the battery very much, I was just draining it to attempt a battery calibration in the os. And when I do this my phone usually only drops to 1% then dies, but all of a sudden it dropped to 0% this time and showed a big yellow triangle with a big exclamation mark in it
Anyways I reflashed my rom in hopes I can flush the problem out. In 4 months of owning this phone I've never seen this warning before.
This is almost exactly what happened with my old phone (Samsung Captivate Glide). If this continues to happen, it is one of the first signs of the battery failing. But if this is a one time thing, I wouldn't worry about it.
In my case, the battery was going bad. It started going from any % battery, down to 0 instantly, forcing a shutdown. After rebooting, It would show a decent charge (~60% most of the time), but would do the same thing within 5 minutes. At first it only acted up like this once a month, but it became more and more frequent that it happened every day, after using the phone for only 15 minutes. The only fix is to get a replacement battery.
fire219 said:
This is almost exactly what happened with my old phone (Samsung Captivate Glide). If this continues to happen, it is one of the first signs of the battery failing. But if this is a one time thing, I wouldn't worry about it.
In my case, the battery was going bad. It started going from any % battery, down to 0 instantly, forcing a shutdown. After rebooting, It would show a decent charge (~60% most of the time), but would do the same thing within 5 minutes. At first it only acted up like this once a month, but it became more and more frequent that it happened every day, after using the phone for only 15 minutes. The only fix is to get a replacement battery.
Click to expand...
Click to collapse
tyvm, This is extremely helpful info to keep in mind. Now that you mention it I have seen the battery kinda swollen up a couple times when it got hot, only ever so slightly but I did notice it.
If my issue persists i'll defnitly try a new battery, thanks for the tip

Annoying Battery Issue

My Note 4 is 14mo old and for the last couple months it just shuts off on me even though I have plenty of power left.
I am a light user and usually have enough power for all day use. I rarely use my phone down past 10-15%. I always put my phone on the charger when I go to bed at night when I have somewhere around 20% charge left. If I notice that I might not have enough power to get me through the day I'll put it on the charger somewhere between 30 and 40%.
Lately, like tonight I got a low battery warning at 30% power while I was on the phone. Not even two minutes later it shuts off. When I turn it back on it starts to boot up but then shuts off again. When I put it on the charger it was completely dead. This only happens 3 or 4 times a month but it's annoying because often it happens at the most inconvenient time.
I've also had it shut off and then when I put it on the charger it starts charging at 28% power.
Please let me know what may be going on here and a solution...
Thanks...
tomfrazier said:
My Note 4 is 14mo old and for the last couple months it just shuts off on me even though I have plenty of power left.
I am a light user and usually have enough power for all day use. I rarely use my phone down past 10-15%. I always put my phone on the charger when I go to bed at night when I have somewhere around 20% charge left. If I notice that I might not have enough power to get me through the day I'll put it on the charger somewhere between 30 and 40%.
Lately, like tonight I got a low battery warning at 30% power while I was on the phone. Not even two minutes later it shuts off. When I turn it back on it starts to boot up but then shuts off again. When I put it on the charger it was completely dead. This only happens 3 or 4 times a month but it's annoying because often it happens at the most inconvenient time.
I've also had it shut off and then when I put it on the charger it starts charging at 28% power.
Please let me know what may be going on here and a solution...
Thanks...
Click to expand...
Click to collapse
I had the exact same issue. I had 2 different batteries shutting off at 20-30%!.... Replacing the battery to a brand new one simply fixed it!.... if you are going to order one online try to avoid unknown brands . Also, pay attention there are some fake Samsung batteries claiming to be authentic.
Also if you still have warranty, contact Samsung and they should send you a new one. That's what i also did.
So you think its the battery and not software related? I was thinking software issue because I don't abuse my battery by running it dead and it's an intermittent problem.
I know that the life cycle of Li-ion is greatly reduced by repeated draining to below 10% (my kid's phones suffer from that. Seems like they can't make a battery last more than 6mo) but I've never had a phone battery go bad on any of MY phones including my old Note 2 even after two years. Maybe I just have a bad battery?
tomfrazier said:
So you think its the battery and not software related? I was thinking software issue because I don't abuse my battery by running it dead and it's an intermittent problem.
I know that the life cycle of Li-ion is greatly reduced by repeated draining to below 10% (my kid's phones suffer from that. Seems like they can't make a battery last more than 6mo) but I've never had a phone battery go bad on any of MY phones including my old Note 2 even after two years. Maybe I just have a bad battery?
Click to expand...
Click to collapse
Doesn't matter whether you abuse the battery or not. Some batteries just go bad faster than others. I also think it's your battery.
A factory reset without restoring apps will rule out a software issue though, but since we can't root, it likely isn't anything messing with your battery percent unless it's just an app draining your battery. But even if it were the latter, your battery wouldn't die then start charging at 28%.
Sent from my SAMSUNG-SM-N910A using Tapatalk
Pretty sure this is an actual built in feature. Mines always died at ~20% (since the 5.1.1 update) and once plugged into a charger and rebooted all my running apps and clipboard info is still running as if the phone never died.
My battery is brand new (from warranty replacement) and it still does this so this is why I think it's a "feature" to keep you from losing data in the event of a low battery event. Just my opinion.
It's not a feature. Mine goes all the way to 0% before it dies. I once read to take out the battery, hold the power button for 30 seconds (while the battery is out), then put it back in and see if it helps. This supposedly gets rid of any residual power storage. I don't know if this is a placebo affect by after I did that, my battery now goes all the way to 0 before dieing.
jack man said:
It's not a feature. Mine goes all the way to 0% before it dies. I once read to take out the battery, hold the power button for 30 seconds (while the battery is out), then put it back in and see if it helps. This supposedly gets rid of any residual power storage. I don't know if this is a placebo affect by after I did that, my battery now goes all the way to 0 before dieing.
Click to expand...
Click to collapse
Not exactly a placebo, but not sure if it truly helps. Doing this would clear all electricity stored in any capacitors in the phone. I'm just not sure how this helps.
And my battery goes all the way down to 0% too. It's not normal for the phone to due at any other % (except maybe 1%).
Sent from my SAMSUNG-SM-N910A using Tapatalk

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