Random shutdows - Galaxy Note 4 Q&A, Help & Troubleshooting

Hi, i am experiencing a problem on my Note 4, i've had it since it was new and i recently changed the battery for a new genuine one. So my problem is my note 4 dies at 30-50percent battery life and when it dies i have to take out the battery to boot it, it boots up normally but using apps like messenger or generally anything expect leaving the phone untouched. But when i insert my charger i dont get this problem.
I also thought that it was a faulty battery but it isnt the case. I also tried *#0228# but that also didnt help,used WakeLock same problem, reinstalled my OS same problem. Please help me.

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Anyone else with this problem...?

Hello all,
I bought the HD a couple of months after it first was released and have never had this problem until about 3 days ago, where my phone has started to suddenly "die" even with ample battery life in it. When I reboot it, it simply starts to reboot then dies again as if the battery is dead, however, when I plug it into the charger, it shows that it has over half to almost full battery life. So the problem can not be that the battery is simply dying. What could be causing this problem? I have ample free main storage and program memory and it occurs even when there is only one program running or even when I'm just in the middle of a call.
Can anyone help me solve this problem? I have tons of medical programs in my phone which took forever to install and don't want to hard reset the phone, especially if that is not even the solution to the problem. Help?
Same thing happened to me, but my phone gets some water. I had to dry it and wait a month. Then it worked fine. If your phone hasn't took any water the problem must be elsewhere.
One question, it dies even if attached to the power? or only on battery?
If it dies only on battery then could be the battery not working properly.
bye
Batteries do weird stuff when they're dead. If it works OK on power but not on battery, chances are the battery is indeed on its way out. If you don't want to do a hard reset, a replacement battery on ebay is cheap and worth trying.
Hello,
I have exactly the same behavior. I changed of Rom, different build, each time running Task29, but it is always the same thing :
- when charged, phone never dies
- when on battery, it randomly dies but always when phone is awake
I think too it may come from the battery, so I just ordered a new one, and I'll keep you up to date.
Ciao,
Yea, so far it has occurred about 4 times, always when it's not plugged in however the battery meter shows alof of battery time left. I'm thinking it's the battery too, it just sucks to have to pay so much for an OEM battery. Oh well, thanks for the help everyone.
Hello,
so I received my new battery this morning.
After some phone calls and some tests...so far so good ! I'll tell you if something's change in the next days, but it seems changing the battery is the solution.
Cheers,
Mine started doing similar things. Guess I will order a battery too. Which one did you get?
Well I got the exact same one I had previously : an official htc touch hd battery.
Part number : 35H00120-01M.
I hope this one will last until I really want to change my phone .
Any more issues since replacing the battery?
still no issues so far. I am really happy because as the battery is new, my phone last much longer than before.
Same here. Got the new battery yesterday and it's back to it's old self. Now it should last me until the dual core processor Android devices come out next year.
Well it would be nice if my pnone only turned off when it wasnt on charge but it seems to just reset itself whenever it wants. it will simply turn off and start right back up sometimes not even reaching the rom load before it turns off again. It does this for a while or just simply once. I tried erasing all data off it and hoping it was something i uploaded but it could be that my battery is just no good anymore.
Any suggestions? ive been dealing with this for 6 months
I don't know about you, but I played quite a lot with my phone, trying a lot of ROM, for a while, even beta ones, and I tried to overclock it. Often the phone would heat up a lot. It may have be hard on the battery.
Right now I am using a stable rom of NRG from last month, with the new battery, and everything is fine. The phone never heat, and I happy for now.
Like Marksm, I am waiting for Android dual core phones or at least based on Tegra 2.
ANTO_AN said:
Well it would be nice if my pnone only turned off when it wasnt on charge but it seems to just reset itself whenever it wants. it will simply turn off and start right back up sometimes not even reaching the rom load before it turns off again. It does this for a while or just simply once. I tried erasing all data off it and hoping it was something i uploaded but it could be that my battery is just no good anymore.
Any suggestions? ive been dealing with this for 6 months
Click to expand...
Click to collapse
As pointed out in above posts, a change in battery appears to have rectified issue
been there done that. Didnt work, i got a new phone but i would really like to keep this.

[Q] battery immediately drops down after.....

i've read about similar topics, but i think i did not found answers...
i've been aware that x2's battery drains fast. i had lots of bad experience with this problem so i decided to buy a new spare battery. to describe my problem, here is the scenario.
1. i fully charge my new battery
2. i remove my new battery to charge my old battery
3. after my old battery is full, i remove it to use my new battery (which was fully charged 4 hours ago)
4. after turning on the phone, it reports (immediately) BATTERY IS LOW.
5. i scratch my head why, replace it with the old battery instead, turn it on, and reports LOW BATTERY also.
i think this is a phone problem and not a battery problem. what do you think? why do i also encounter same problem with my brand new battery?
please help. thank you...
this is a new problem i encountered after reformatting my phone...
did u try flash to another firmware?
I had similiar problem as u when was using firmware Genenic_sg, flashed to Generic_en then its gone
by trial and error...
by trial and error, i found the solution... (once my main battery runs out of life, i do this steps...)
i let my spare battery stay on the phone for about 10 seconds before turning it on... (something like at least, the phone will recognize the life of the newly inserted battery)...
there are occasional times however, when the battery meter will still say low battery life even if i already had the battery stay before turning it on... so what i do is just turn it off again, remove the battery for few seconds, reinsert it immediatelt, and turn my phone again... and voila! it's finally recognized as 100%.

[Q] Uncanny battery life

Hi!
I have been experiencing strange battery issue for some time now. First, I have to point out that I am using the Nexus HD2 ICS ROM with an early May update. So, the problem is that sometimes the battery drain on standby and when using the phone is huge - 70% for 4 hours on standby, with Wi-Fi and 3G turned off. I guessed it was a faulty battery (there was problem during charging as well - if the battery died completely, when inserting the charger, the phone would constantly reboot before reaching the splash screen), so I decided to buy a second battery to replace the old one. There isn't a charging problem anymore, but the battery drain issue sometimes occurs, which makes my phone awfully unreliable. My question is - is that a problem coming from the ROM, or is it a hardware problem (and in such case - how can I fix it?)? Thank you in advance!
P.S. I am using original HTC batteries and chargers, so it's not form faulty production line
JediAndrey said:
Hi!
I have been experiencing strange battery issue for some time now. First, I have to point out that I am using the Nexus HD2 ICS ROM with an early May update. So, the problem is that sometimes the battery drain on standby and when using the phone is huge - 70% for 4 hours on standby, with Wi-Fi and 3G turned off. I guessed it was a faulty battery (there was problem during charging as well - if the battery died completely, when inserting the charger, the phone would constantly reboot before reaching the splash screen), so I decided to buy a second battery to replace the old one. There isn't a charging problem anymore, but the battery drain issue sometimes occurs, which makes my phone awfully unreliable. My question is - is that a problem coming from the ROM, or is it a hardware problem (and in such case - how can I fix it?)? Thank you in advance!
P.S. I am using original HTC batteries and chargers, so it's not form faulty production line
Click to expand...
Click to collapse
Might be the ROM because recently I've been getting extremely inconsistent and unpredictable battery drain on the same ROM. Sometimes its great and I can last a full day with ease, but at other times it barely lasts me a few hours. I think I need to calibrate my battery though (it seems to run out faster at lower percentages) but that's clearly not your issue.
am having the same problem it suck any fix or ill have to flash whit an other rom using miui ics
The reboot problem is caused by Android's bootloader: it can't charge when the phone is off, so it tries to turn itself on.

Wifi problem, battery drain and charging problem

I had the nexus 4 for few months, and has been the best phone I ever had.
I had only a small issue when my battery started to consume faster than usual, my business email went in loop so I just reinstalled it and everything was fine.
Problems started last week: I decide to buy a Samsung S4 (I really need the wifi calling, and I would like to remove and switch the battery),
so I go to tmobile and sign for it. They give me a new sim and transfer my old number on the new sim.
I did not install app, nothing else changed. From that moment Battery is draining super fast (will not last over 3 or 4 hours now) Has problems also to charge (I don't know if it's for the charging or becuase is draining the battery so fast)
I have also problem with wifi now, also if as usual I will connect to my home wifi, datas will not work.
Now that I have the wifi off, is continuing to drain battery very fast.
I rooted the phone as soon as I bought it, I'm still on 4.2.1
Tonight when I will receive the samsung I will unroot the phone and will update to the new version and will do a factory reset, hopefully the problems will be solved
Is possible that the battery drain and the wifi problem are caused simply by the new sim?

Battery readings going completely wild

So recently my phone (unrooted unmodded N910C) battery is being extremely weird. When I try to charge my phone, it sometimes doesn't go beyond around 70-90% but if I take out the battery and put it back in, it shows 100%. It sometimes also shuts off on its own at around 40% and when I plug in a charger, it shows sometimes 0% and sometimes 40% (but if I turn it on, it still says 0%). I've tried a lot of things, including discharging completely and recharging to 100% (powered off), factory reset, clearing cache, and quick starting battery and nothing seems to work. Does anyone have similar problems and has anyone found a solution to this?
The problem is the battery ... the catode pin inside battery is not working properly. The motherboard of the phone it just reading the voltage and temperature of the battery. Your percentage shown on status bar is based on what current intensity is received from battery. So just replace the battery... esxuse my poor english
scamex said:
The problem is the battery ... the catode pin inside battery is not working properly. The motherboard of the phone it just reading the voltage and temperature of the battery. Your percentage shown on status bar is based on what current intensity is received from battery. So just replace the battery... esxuse my poor english
Click to expand...
Click to collapse
Are you sure it's the battery? I took it out and everything looks normal, including the pins. Also, battery apps said that my battery health was good or should I not trust them at all? I just don't want to buy an extra battery if the problem is not with the battery.
I meant the catode pin inside battery not outside. It's your call if you buy a battery or not. I just writed here how the proces work because i have fixed lot of motherboard i knowing about this i have explained to you. Cheers
i have the same problem too and i tested every things and now i am really tire , i dont think thats problem was the battery , can anybody help me plz?
Had similar problem yes new battery at the samsung store the assistant said many note 4 batteries selling I got the last one. Maybe we got a bad batch or its deliberate. Maybe we could do a survey how many people have had to buy a new battery
Sent from my SM-N910C using XDA-Developers mobile app
I also posted a similar problem. In my case the problem is more alarming, because it's happening in two different batteries, one of them is rather new and fresh. It seems that it started out of the blue, I did not make any major change in the phone.
I am still investigating the issue, I'll be back with more observations.
Just an update on my situation: I bought a new battery and now the battery readings seem to be fine.
I had the same problem as you OP. The problem was definitely the battery for me at least. Bought a new one just the other week and now everything is working perfectly
If the affected battery is under warranty get it replaced for free. Or if the problem does not get solved after cross checking many possibilities. Just buy a new battery. Simple. Good luck.

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