After I upgraded a while ago to stock ICS 4.0.4, I noticed that I no longer get an audio notification when my phone is finished charging. Also, the status of my battery usage resets when I turn the phone off. Shouldn't it display total battery usage accumulated until the phone is plugged in to be charged?
Anybody?
The sound I haven't paid much attention to, I don't even remember gingerbread having a sound once the phone is fully charged.
As for the battery status, far as I know, if you turn off your phone or reset it, the stats will reset.
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When I first upgraded I used to miss the sound, but after a while I forgot it was there until you mentioned it. And don't the battery stats always reset after reboot? They couldn't be very accurate if they didn't.
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i made this post because people might be wondering about how to charge their phones.
(i say these things from experience so if different for anyone then let me know)
make it a habit not to charger until its at least 15% or less. i always charged my g1 and left it plugged in even at 100 and after weeks the battery life went to hell. i went through 3 batteries that way.
Also try not to use the phone while its charging. i cant really explain what the hell causes that but i know from experience of two other phones that the phone overheats and messes up the battery. so that means avoid over-night charging. i charge mine either before i go to sleep of first thing when i wake up.
also when ur charging ur phone, DO NOT put it under anything, like between a pillow the bed. ur phone will overheat like to the point of too hot to touch. also from experience.
Thanks man,that why my old battery started die'n so fast
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yeah i never charge phone unless battery is on red and once fully charged unplug
Also try battery calibration. Its amazing!
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Yeah battery calibration worked great for me
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What do you mean by Battery Calibration?
What is battery calibrabration
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Streetz180 said:
What is battery calibrabration
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I normally do this to calibrate battery:
1. Charge to 100 % with phone on
2. Unplug and turn off
3. Charge to 100% when off (i normally leave it for 10-15 minutes)
4. Then unplug, turn it on, then after fully booted turn it back off
5. put it back on charger till it fully charges again
6. boot into recovery and wipe battery stats
now use your phone as normally and give it 3-4 full charge cycles till the battery is properly calibrated.
Battery calibration is a app on the market. Check it out! It saves you from having to go into recovery and wiping battery stats
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i follow all of this and i usually get around 20 hours of battery life. and ive only calibrated my battery once.
I'm curious I recalibrated my battery to last longer I usually lost around 7-10 percent over night. Now after calibration I only lost 3% and this is what my consumtion was and was curious is this normal or good. I'm getting 43% cell standby, 40 phone idle, 15% display and 2% OS. I was going to post a pic but is not letting me right now.
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With my stock rom, I usually use about 3% over-night when the phone is shut-off.
So, either the stock batteries suck, or "off" doesn't really mean "off." I'm assuming the latter, since we have to pull the darn battery to get a true reset.
3% overnight sounds reasonable. Same here.
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zuriken said:
With my stock rom, I usually use about 3% over-night when the phone is shut-off.
So, either the stock batteries suck, or "off" doesn't really mean "off." I'm assuming the latter, since we have to pull the darn battery to get a true reset.
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Maybe you have fast boot on. Or it sucks up a lot of juice just turning it on
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codyperez86 said:
Maybe you have fast boot on....
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Sure do (enabled by default). I'll switch it off tonight and see if the percentage changes in the morning.
so is fast boot something we want on or off?
I look at fast boot as hiberateing. Take that off and I believe your phone will actually shut down all the way. Fast boot is fast boot. After shutting it off and turning it back on and starts up quicker. Sounds like something that would suck a little bit of battery life over night.
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With fastboot disabled and the phone shut off, you should see 0% to maybe 1% battery drain overnight.
henrybravo said:
With fastboot disabled and the phone shut off, you should see 0% to maybe 1% battery drain overnight.
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Yeah I think its from powering down and back up that's it.
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To recalibrate it I just powered up to 100% powerdown, unplug chord reboot into recovery go to advance and go to wipe battery bin. Reboot amd you should have a more accurate battery %. You should 4.2V at 100%
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3% is more than reasonable.
I lose like 1% per ~2 hours standby with active 3G data connection, and gmails pushing emails.
Last night I did something that may have been stupid. After my phone shut down on low battery, I restarted it twice following successive shutdowns. I did this to ensure the battery was completely drained because battery life has been noticeably shorter lately. After plugging into the charger, the phone did not begin charging and would not power on. I had to do a battery pull to get things working again. Is this a normal side effect of my ignorant action in draining the battery?
Unrooted, stock other than a few mainstream apps.
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Yes this can be considered normal. There has to be enough battery for the phone to switch into charging mode and it appears you didn't have enough
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Thanks. That makes sense.
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so the last couple of days ive noticed that when i charge my battery and check the history. it seems to go from 76% to 100% right after it passes 76% ive calibrated the battery and used the "Battery monitor widget pro" to set the values. is there anything else i can do?
ive also ordered extra batteries and they seem to do the same around 80% and go up to 100% in a matter of seconds
thanks
Charge your phone to full while phone is on. Turn off fast boot and shut phone off leaving it plugged in. Let it continue to charge until the led turns green.
Once green go into recovery and wipe battery stats. It's in the advanced menu. This will reset any previous settings but its VERY important to make sure its been charged full, first while on and second while off, before doing this.
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Gizmoe said:
Charge your phone to full while phone is on. Turn off fast boot and shut phone off leaving it plugged in. Let it continue to charge until the led turns green.
Once green go into recovery and wipe battery stats. It's in the advanced menu. This will reset any previous settings but its VERY important to make sure its been charged full, first while on and second while off, before doing this.
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ive done that. its fully charged now but it went from 76 to 100 within a minute. i did the wipe stats last night but it took like 30 mins while playing a movie for it to go completely dead from 1% to off
Well i'd say let it drain and recharge for a few cycles and it should recalibrate itself. If you go through about five cycles of draining it to about 20 and then fully recharging without interruption and its still messed up, then it could be the Rom giving you trouble. Re install Rom with a full battery. If its still messed up after that then the battery is probably damaged.
Edit: try other roms too before deciding that it is definitely the battery. Sometime roms have minor bugs like this.
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Gizmoe said:
Well i'd say let it drain and recharge for a few cycles and it should recalibrate itself. If you go through about five cycles of draining it to about 20 and then fully recharging without interruption and its still messed up, then it could be the Rom giving you trouble. Re install Rom with a full battery. If its still messed up after that then the battery is probably damaged.
Edit: try other roms too before deciding that it is definitely the battery. Sometime roms have minor bugs like this.
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Also, any add on mods to the notification bar could be causing the bug.
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Still dealing with battery drain. I've gone back to stock, wiped data, basically everything but format external sd. Internal sd wiped. I can't get phone to charge. It connects to pc. Charge icon flashes like it's charging. LED charge lights up. Battery just slowly dies. I've tried that rescan media app. Doesn't help. Not sure what to do now. You think this will settle or is phone mechanically toast?
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Plug it into the wall to charge. Also get better battery stats and see whats eating the battery.
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