My GNex charge itself??? - Samsung Galaxy Nexus

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Guys,not to waste our forum resources but did you see something like picture above ? It went from 9% to 11% ,without a charging cable and with 4G on bt on GPS on ...
It is simply because the OS is still getting used to the battery ? US Verizon version ,ics 4.0.4 stock rom
Sent from my Galaxy Nexus using Tapatalk

From what I have read there appears to be some sort of auto calibration going on while the phone is on. It is giving you an estimate of the battery life and then realizing there is actually more than the original estimate so it's re adjusting the display of battery life.
My guess is it's similar to how if you are driving uphill (or downhill in some cases) your gas tank in your car may display an incorrect reading of the gas but once it levels out it reads correctly.
I could be entirely wrong but that is what I have pieced together from what i've read.

The reason is quite simply ... chemistry.
The battery voltage recovers (= goes up) a little bit after the battery was under (heavy) load. Thus the battery percentage displayed can go up a little bit, too.
TL;DR: It's magic!

Yes, the Galaxy Nexus has a great undocumented feature. If you leave it in a room on it's own for long enough it will eventually get up and plug itself in for a while, if it hears you coming back though then it rushes back into position and plays dead again.

Related

Less than 4 hour battery life

I just got less than 4 hours of battery life. Is this normal even under intensive use?
For the first 1/4 of the time, I had the phone in my pocket. For the second 1/4, I was playing Symphony of Eternity, a simple 2D RPG that looks like an SNES game, and a bit of Greedy Spiders, another simple 2D game. By the time I was done (a little past half way through the graph) I was already at half charge.
I then disabled wifi and turned off my phone and put it back in my pocket. The battery use decreased, but only by a little. At the end of the graph, I got alarmed by how fast the battery was draining and rebooted my phone, and when I restarted, there was the abrupt jump down in battery.
Anything jump out as a red flag here? I took a look at the Android OS bug thread, and it sounds like that is what I ran into, but does this seem like short battery life even for the Android OS bug and the amount I used it?
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[Q] Extended Battery Readings

I could have sworn I've seen a thread for this but I just can't seem to find it.
Tried my best to search so I apologize if this is a repost.
So I've been on the extended battery for over a week now and must have gone through about 10 charge cycles so far.
Few days ago, I noticed my battery was at 15% and I was nowhere near a charger. I had the phone off for about an hour because I needed the remaining juice at a later time. Once I turned the phone back on, I noticed the phone was back UP at 25% remaining without ever charging it.
Thought it was a one time fluke so I didn't care much for it.
Today, I had a screen protector come in and since it was a wet apply, I turned the phone off at around 25%, left it off for about an hour an a half for the product to dry a bit then turned the phone back on.
This is the battery reading below:
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If I remember correctly, the reading went back up to about 31% after turning it on. (Don't mind the gap in mobile data reception.. I was in a plane during that time).
I've calibrated this battery once on the first cycle so I'm not sure why this would happen. Is this a known issue?
Currently on stock, unrooted 4.0.2.

Huge general battery drain

I've bought my N5x 8 months ago, and I've never achieved more than 3h+ screen time.
After upgrading to nougat, nothing changed. So that's why I'm starting a new thread
At this point, I dont really know what to do. I've tried disabling Ok google, location, nothing changed.
Here are some tests
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Some tests from today. I've charged the phone yesterday, left it, and then used it today for 1h straight
I was thinking to buy a new battery, or maybe I've read that the G2 battery which has more mAh fits too.
In android there aren't tests which indicate the real capacity of batteries like on Windows/Linux PCs
I was always on 3G btw.
I don't know much I would say it's the data connection taking up too much, or maybe you don't get good reception and the phone keeps trying to get it, judging that by the red lines I see I the bar graph thingy.
I've recently changed my mobile provider but no changes at all
Restart your phone and delete cache
Already wiped my phone days ago... Nothing changed at all
Another test, this time, I've disabled REALLY everything, from app syncronization, location history, location set to OFF
But the battery life is still awful enough! I've got barely 3h of screen (charging it a bit, so we are between here)

Slow charging and heating

Despite this phone being just perfect in every other way, a couple of things​ about it is just frustrating the heck out of me. I don't know if it's just my device or if this is a normal thing, but my Pixel XL charges SUPER slowly. Taking about as long as an iPhone to reach 100% on low percentage and 40 minutes to an hour with 50% and above. My 6p charges faster than this using the same charger. Not only that, but my phone gets really warm when charging and slightly warm with general use. Does anyone else experience this?
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Sent from my Pixel XL using Tapatalk
I experienced just yesterday. Normally the phone charges about 1% every minute for me, but yesterday it was 1% every two minutes or something, got really annoyed, turned off the phone, charged normally! And yes, there was a little bit of heat too, nothing complaining worthy but it was there, but then again I use a full back case, which I will remove shortly. The phone/SoC has some thermal throttling surely, cause several times I noticed the phone's performance would drop down severely while charging.

Galaxy Nexus (toro) dead?

Yesterday, I tried to charge my Galaxy Nexus (toro), which was fully depleted. It showed the battery icon like it usually does, but then it went kinda weird (idk how to describe it, look at the picture). Then it would turn off and do the same thing again. So then I charged the battery using an external charger, but the phone did not do anything, like it didn't even vibrate. If I connect a charger to the phone, I can get into the Bootloader, and if I go to recovery mode, it starts for like a second, but then turns off again. If it helps, it's the SCH-i515, running Unlegacy 4.4.4, and TWRP 3.x (not sure of exact version).
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EDIT: I plugged it into a laptop, and it booted up just fine, but the battery was at 0% even after being left in an external charger overnight.
Maybe the battery is dead dead... Like when a car battery has a dead cell. It works when you plug it in because there's a charge going through. Do you have any extra batteries lying around that you could test. Just remember that you are fighting a losing battle against time which degrades battery life.
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