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I noticed yesterday that my mt4g (stock, not rooted, with ota update) was warm and had dropped >10% battery in 30 minutes or so.
I loaded watchdog lite and didn't see any runaway processes or anything. However, my battery still seemed to be draining faster than usual and the phone seemed a bit laggy.
Today I was more curious so I fiddled with watchdogs settings and enabled monitoring phone processes. As soon as I.did this I got a notification about a process taking over 55% CPU. I opened up watchdog and saw that init process was using between 50-89% CPU.
I did a quick search of Google and xda and found some reports of similar issues with other android devices, namely this xda thread:
http://forum.xda-developers.com/showpost.php?p=8966211&postcount=1
I turned on usb debugging as recommended and init has yet to set off watchdog again today. Phone seems snappier and battery seems a bit better so far.
Just thought id share if any other mt4g users are experiencing mysterious battery usage/lag, its worth turning on usb debugging to see if it helps - can't hurt imo.
Sent from my HTC Glacier using XDA App
Hmm interesting. I've noticed that when I'm charging the touch screen gets a little unresponsive.
Sent from my HTC Glacier using XDA App
werk said:
I noticed yesterday that my mt4g (stock, not rooted, with ota update) was warm and had dropped >10% battery in 30 minutes or so.
I loaded watchdog lite and didn't see any runaway processes or anything. However, my battery still seemed to be draining faster than usual and the phone seemed a bit laggy.
Today I was more curious so I fiddled with watchdogs settings and enabled monitoring phone processes. As soon as I.did this I got a notification about a process taking over 55% CPU. I opened up watchdog and saw that init process was using between 50-89% CPU.
I did a quick search of Google and xda and found some reports of similar issues with other android devices, namely this xda thread:
http://forum.xda-developers.com/showpost.php?p=8966211&postcount=1
I turned on usb debugging as recommended and init has yet to set off watchdog again today. Phone seems snappier and battery seems a bit better so far.
Just thought id share if any other mt4g users are experiencing mysterious battery usage/lag, its worth turning on usb debugging to see if it helps - can't hurt imo.
Sent from my HTC Glacier using XDA App
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Click to collapse
cool thanks for the info. i just did that for my phone so i will see if i noticed a difference in my battery life and performance
Hi Werk, glad to see my thread is helping you guys too..
Although it was my thread, thanks must go to Topcat who stumbled across this fix.
Im very confident that the /INIT process wont return, out of the 25 thousand + viewers only one has reported that the /INIT process has returned after restarting there phone, where a quick uncheck/check of USB Debugging has solved the issue again.
Personally I've not had the problem for sometime now and don't expect it to come back..
Regards Rick.
Arcadia310 said:
Hmm interesting. I've noticed that when I'm charging the touch screen gets a little unresponsive.
Sent from my HTC Glacier using XDA App
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Click to collapse
I've had that issue with all my android phones it seems - Cliq, N1, Vibrant, MT4G and a G2 I had for only 2-3 days.
I have always kept usb debugging on, my battery life is good. 36 hours now and I'm down to 28 %. Mostly standby though. Going to run it down for full charge.
Well, after a full run-down of the battery yesterday and a recharge overnight, I'm off the charger for 8.5hrs so far today with heavy browsing, email, and Logmein usage and battery is at 65%. Very, very happy I stumbled across rixsta's post and Topcat's information. This is like a totally different phone now.
Thanks for the info werk. Charging my empty battery and just turned on USB debugging. Let's see how my battery life goes. It barely last 12 hours for me.
Arcadia310 said:
Hmm interesting. I've noticed that when I'm charging the touch screen gets a little unresponsive.
Sent from my HTC Glacier using XDA App
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Click to collapse
You know what, I thought I was the only one that realized that lol. Mine does that too. Luckily I don't use it much when its needing charged but still.
turning off mobile networks seems to make my battery last a lot longer.
clivo360 said:
turning off mobile networks seems to make my battery last a lot longer.
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Click to collapse
what is the point of having a phone then?
likeitnot said:
You know what, I thought I was the only one that realized that lol. Mine does that too. Luckily I don't use it much when its needing charged but still.
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Click to collapse
Probably a bit o' that there ground loop. Strap more rubber on your feet, son.
ctakah27 said:
what is the point of having a phone then?
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Click to collapse
Lmfao!
Sent from my HTC Glacier using XDA App
Thanks. I turned on debugging yesterday around 1030. Normally when I go to bed around 2300 my phone is on its last leg or dead and I don't even touch it unless I have to, so that I can plug it in on my night stand when I go to bed. Last night around 2200 it still had a lot more battery than it usually does at that time... probably 10-15% more.
Also, thanks for mentioning watchdog, I snagged it off the market. Great app. bye bye ATK!
I'm still trying to figure out why my battery on the MT4G is so poor. This is my 3rd Android phone in 2 years. I always have considered the battery life on my G1 and MT3G to be fantastic. I do the normal battery conditioning to begin with, phones are all setup fairly identical, and yet I can barely leave work at 430pm without having to run for my charger. Yesterday I turned on debugging (which was always turned on with the G1 and 3G) and it didn't work.
Even with set-cpu profiles setup my battery life Is not so great
Anyone have any updates on this issue that they would like to share?
I noticed that when I turn on usb debug, Windows 7 has trouble finding the drivers for the phone.
What do you guys consider "good" battery life? The phone lasts me through the day with moderate usage. I'm not on it 24/7 (because, you know, I have a life), but I do use it for texting, light browsing, Facebook, some games, music, etc, and I always have battery life to spare before going to bed. I charge my phone every night while I sleep. Are people expecting the phone to last several days without being charged?
kryptik06 said:
Even with set-cpu profiles setup my battery life Is not so great
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Click to collapse
Just because you have profiles setup doesn't mean a thing. It's what those settings are that make a difference.
I have been consistently getting 36 hours of moderate to heavy use from my MT4G. My screens have documented that.
See here for a good example.
Check here for mystery battery drain on the MT4G that I found:
http://forum.xda-developers.com/showthread.php?t=872839&page=3
My MT4G now last about 2 days on a single charge with normal use. Which is comparable to my old 2G iPhone.
hey all, maybe its just my paranoid self, but i just want to be sure;
i was charging my phone, and at the same time, i was playing slice it. suddenly i realized that the back of the phone was getting really hot, and i checked the temperature. it was about 45c, and i was gettin freaked out, so i took the batttery and put in the fridge for like 10 seconds, before realizing that was a stupid mistake. after about 5 minutes, it cooled back down to 30.5c. i believe that perhaps the battery was around 45c for about a minute or so.
I was just wondering, do you think my battery life will suffer from my idiotic antics? Im a bit worried that itll have a significant impact, even if it was for a few minutes? Did i 'burn' out some of the lithium ion cells?
much help appreciated!
thanks alot!
Just curious, does only your battery get warm, or does the top half of the phone (above the battery) got hot too?
Phone only overheated when I had bluetooth and wifi running while charging
Sent from my LG-P999 using XDA Premium App
its just the back of the phone where the battery is located
Mine did the exact same thing last night with fruit ninja of all things. I also put my whole phone in the fridge for one minute and it dropped the battery temp from 45c to 38c. The battery condition also said "overheated" instead of "good" which it has said since then.
Sent from my T-Mobile G2x using XDA App
UCFJake said:
Mine did the exact same thing last night with fruit ninja of all things. I also put my whole phone in the fridge for one minute and it dropped the battery temp from 45c to 38c. The battery condition also said "overheated" instead of "good" which it has said since then.
Sent from my T-Mobile G2x using XDA App
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Click to collapse
nice to know that im not the only one :]
Can anyone answer my question about if the short amount of overheating damaged my battery?
Sent from my G2x using XDA App
Mine got to 53c while doing absolutely nothing, any idea what causes this?
ⓣⓞ ⓜⓐⓝⓨ ⓡⓤⓝⓝⓘⓝⓖ ⓐⓟⓟⓢ. ⓜⓘⓝⓔ ⓓⓞⓔⓢ ⓣⓗⓔ ⓢⓐⓜⓔⓣⓗⓘⓝⓖ ⓑⓤⓣ ⓗⓐⓢⓝ'ⓣ ⓡⓔⓑⓞⓞⓣⓔⓓ ⓞⓡ ⓢⓗⓤⓣⓓⓞⓦⓝ.
Sent from my LG-P999 using XDA Premium App
kayway27 said:
Can anyone answer my question about if the short amount of overheating damaged my battery?
Sent from my G2x using XDA App
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Click to collapse
I don't think anyone really knows and begging for an answer is a quick way to get flamed.
I know that if you were to rapidly cool metal or another material in that same manner, it would crack. I don't know if that same issue would apply to batteries. I definitely wouldn't put anything overheated directly into a frozen environment like that.
hiko36 said:
I don't think anyone really knows and begging for an answer is a quick way to get flamed.
I know that if you were to rapidly cool metal or another material in that same manner, it would crack. I don't know if that same issue would apply to batteries. I definitely wouldn't put anything overheated directly into a frozen environment like that.
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Click to collapse
+1 not a great idea, just take battery out and let it sit
Sent from my LG-P999 using XDA App
Mine had the same problem. Whenever i put it on charge it would heat up within minutes and then upon unplugging it would cool down. I read somewhere in the forum to discharge completely and then recharge to full. I did that and its been 1 week since that and no problems with overheating and battery life is also improved. My battery`s health is still GOOD i checked using * # * # 4 6 3 6 # * # *
Hope this helps.
I undervolted the cpu. Overheating almoat stopped. I swapped battery and has been better since. Usually running two quadrants i would start feeling it get hotter and hotter. On new battery i run four an don't notice any major change.
G2x with CM7 and trinity kernel
out of the blue overheating
My phone was awesome...but now it overheats....??
I am going to try and undervolt and see if that helps my problems but my phone just goes crazy hot when it's asleep and idk what to do, even w/ a new warranty phone, and i could tell it's new cause it still had the green tap by the buttons and stuff...the old one got crazy hot, but only after cm7 build33....and this was also after i changed the recovery to 3101 ext4 supported one....can a recovery affect your roms (overheat it) i would't think so, it only loads on command idk how it would....hmmmmm my vibrant would be a dead cold 28-29c when on idle/sleep but w/ this phone it just gets hot and is about 37-43 when doing nothing.....i'm going to try the undervolt thing w/ cm7 latest build and faux123's kernel 0.1.1 and try to undervolt it, i'll search thru that thread for good undervolting starting points...and play w/ that......idk i'm just confused why it is just now happening and not before, i had it on launch day and no problems till last week....i'm lost..
I'm rooted first of all.
Well, wifi, all GPS, and bluetooth off.
my battery was okay, it lasted for a day mostly. and I think about 2 days ago, the battery suddenly getting worse. Everything remains same. I haven't changed any option, but the bettry is suddenly worse.
I don't use my phone that much. like I got a phone call yesterday and today? no texting, no internet, no app uses.
I charged my battery full(til 11am or til noon), then it dies before 5pm.
(Today I charged my phone til 9:40am, got only one single phone call lasted 1-2mins, and my battery is already 47%.)
It's just terrible! Anyone has same prob????
I'm in California BTW.
are you rooted?
what rom/kernel?
squeakyl said:
are you rooted?
what rom/kernel?
Click to expand...
Click to collapse
I'm rooted and I think it's stock rom.
I just followed the manual perm root process.
It's weird because under same conditions, battery got totally worse than before. It lasted at least for a day, but now, it lasts only 4-5 hrs with same amount of usage under same conditions.
ever figure this out?
Just rooting will not change anything to your battery life. You need to install a rom or a different kernel in order for it to change anything.
Mine too has gotten worse in the last week. I am not rooted. At this point my battery is draining roughly 25% per hour with little or no use. Spare parts shows the most usage on my phone is 0. I have tried getting rid of weather bug, Pandora and sirius. I tried looking for something to explain exactly why 0 takes up 10x more battery than Android system itself and I have came to the conclusion that I am lost. Any direction to the correct forum topic would be appreciated.
Sent from my ADR6400L using XDA App
jimsteam321 said:
Mine too has gotten worse in the last week. I am not rooted. At this point my battery is draining roughly 25% per hour with little or no use. Spare parts shows the most usage on my phone is 0. I have tried getting rid of weather bug, Pandora and sirius. I tried looking for something to explain exactly why 0 takes up 10x more battery than Android system itself and I have came to the conclusion that I am lost. Any direction to the correct forum topic would be appreciated.
Click to expand...
Click to collapse
Have you tried the "Blockbuster" mod?
1) open the Blockbuster Application, it should ask you to update.
2) once the update has finished open the application back up and
3) navigate to Menu>Settings> "Disable Movie Updates"
Users have reported better battery life.
Thanks for the reply. Yes I have updated and disabled the Blockbuster app. Better yet even I just rebooted my phone and it drained 12% on the battery. How is that possible. I am using my stock battery now and not the extended, so the % would be different with the stock compared to my extended but really I don't think it should use 12% on a reboot.
Sent from my ADR6400L using XDA App
Do you currently have 4g?
Sent from my ADR6400L using XDA App
Yes I do and I have been using LTE off/on for last 2 days .
Sent from my ADR6400L using XDA App
I also just logged of FB chat about 2 hours ago and Google talk. 2 hours later still at 52% maybe I am on to something.
Sent from my ADR6400L using XDA App
I guess you and I are on the same page! I charged mine til 9:40 am and went to work yesterday. I got only one phone call that lasted 1-2mins. The battery was already 52%. All GPS was off, bluetooth off, Wifi off, everything off except 4G. I sent a text and received a text, and the battery drained to 46%. After a few mins with no use of the phone, the battery warning sound played. So I had to charge my phone at that point. It is just totally weird. Under same condition and same usage of the phone, the battery lasted for a day at least. (4G was on at the point.) I don't know what cause this problem. Anyways, I just unrooted mine and got a software update via OTA. I don't know if this will fix the problem. Any luck to you yet?
I am going to charge tonight and try current settings tomorrow and see how long battery last. It is to the point if I have to turn all this stuff off, doesn't it defeat the purpose of having a smartphone?
Sent from my ADR6400L using XDA App
Try ZD Box
Try ZD Box, and use its task killer to stop any programs your not using right then. Pandora is another app that loves to stay on and chew at your battery...
My phone just started doing this as well. I've been using the TBolt for a couple of weeks now.
Just yesterday my battery life took a serious nose dive. I've adjusted all the settings I can and the battery is dropping like a drunk girl's panties...
I'm having to charge it all the time now just to keep it from giving me the low battery warning.
Ok well here it goes . Off charger for 30 mins 7 text ,this post and a restart and down 10% already. Wtf
Sent from my ADR6400L using XDA App
jimsteam321 said:
Thanks for the reply. Yes I have updated and disabled the Blockbuster app. Better yet even I just rebooted my phone and it drained 12% on the battery. How is that possible. I am using my stock battery now and not the extended, so the % would be different with the stock compared to my extended but really I don't think it should use 12% on a reboot.
Sent from my ADR6400L using XDA App
Click to expand...
Click to collapse
That's about what mine took on average to reboot. 10-12%.
I'm at 72% after 11 hours of idle usage and that's on the 2750mah extended battery. That would put me at 46% after 12 hours having not touched the phone once. I literally fell asleep as I took it off the charger...
Something is jacked up and I don't know what.
Rooted, Virus ROM B3, 1.8G kernel (forget which).
I've gone to Imoseyon's Sense lean kernel, special edition.
We'll see how that goes...?
Wanted to report back as I think the culprit may be the wireless tether app.
I turned GPS, WiFi and all my sync's back on and the phone is back to giving me decent battery life.
I did some changes with the tether app and I'll report back to see if my suspicions are correct.
So I read that a ton of ppl has issues hitting 100% battery charge, I'm also seem to be having the issue till I got and played Plants vs Zombies...after like 1 hour playing I was about to turn on the alarm and hit the bed and I just noticed my battery level, 100%....so I thought that it was an error and I locked the phone just to see on the lock screen "charged"....btw, when I started playing the battery was at around 92% and I've never seen 100% before on my NS.
How many ppl is able to get their phones to fully charge to 100%? and, does any of u installed or did anything in particular to fix the issue?
Hm, only had mine 2 weeks and have yet to get a 100. My epic would but it was a faux 100 if anything as it. Would drop down to around 98-96 immediately.
Sent from my Nexus S 4G using Tapatalk
fenrry said:
So I read that a ton of ppl has issues hitting 100% battery charge, I'm also seem to be having the issue till I got and played Plants vs Zombies...after like 1 hour playing I was about to turn on the alarm and hit the bed and I just noticed my battery level, 100%....so I thought that it was an error and I locked the phone just to see on the lock screen "charged"....btw, when I started playing the battery was at around 92% and I've never seen 100% before on my NS.
How many ppl is able to get their phones to fully charge to 100%? and, does any of u installed or did anything in particular to fix the issue?
Click to expand...
Click to collapse
Only way to hit 100% is to use an external battery charger.
Sent from my SCH-I800
https://market.android.com/details?id=com.elondra.nexusscharger&feature=search_result
you can use that if u really want too get too 100% i used for a few weeks then just stopped caring. Its just the way samsung programmed it to pro long the overall life of the battery.
Yeah, mine caps at 95% normally. Might have a look at that program. How much shorter would battery life be if we let it charge to 100%?
If you leave the screen on (by any means, whether you were playing game, which requires you to have the screen on, or change the setting to have screen always on), it will charge to 100%.
will the battery life shorter with this trick or using that app to force to charging completely ?
Its not an issue. Samsung designed it that way. Its to help keep the battery healthy and extend its life.
Sent from my Nexus S 4G using xda premium
I honestly don't see it being noticeably shorter life span. We keep phones for a max of 2 years now days. I rather have a full battery now then it last an extra few months. Battery's are cheap so we dont need them to last forever .
Well, I have used the phone while connected to the charger but never passed 96%, only after playing PvsZ I got the 100% and then the number went down till 96% and stayed that way after I closed the game.
fenrry said:
Well, I have used the phone while connected to the charger but never passed 96%, only after playing PvsZ I got the 100% and then the number went down till 96% and stayed that way after I closed the game.
Click to expand...
Click to collapse
ya the only time ive ever seen a phone stick on 100% for longer then 10 minutes is using SBC kernels
jietzer said:
ya the only time ive ever seen a phone stick on 100% for longer then 10 minutes is using SBC kernels
Click to expand...
Click to collapse
I'm running Formels MIUI, it comes with Pete#5....still....gonna test again with PvsZ in a bit, rt now the phone has been steady at 96% for the past 2 hours....man gotta sleep soon also...
***Update: PvsZ does work to go pass the 96%, I hit another 100%....
How many times is this very topic going to be discussed? And with all the info on xda, why is there so much false/incorrect information in this thread?
Sent from my Nexus S 4G via XDA Premium
So I came across this article while surfing the webs regarding battery calibration from Google Engineer Dianne Hackborn and thought to share it with anyone interested. It brings a lot more questions to mind after reading it, but I'm sure everyone will have a different opinion to the subject matter.
https://plus.google.com/u/0/105051985738280261832/posts/FV3LVtdVxPT
Enjoi!!!
Good stuff; thanks for sharing. I think the responses were almost more interesting than the article
Interesting read that is.
Sent from my SGH-T959V using xda premium
read something like that somewhere on xda. pretty interesting to think about all those battery calibration threads now...
so we just have to use up the battery completely and charge it completely to optimize the way the system manages power?
It makes one wonder, doesn't it? Heck, I've read where people on here are getting 2-3 days of battery life out of one charge with normal usage (yes, I know "normal" is subjective). I can barely get a day most of the time.
You can get days out of this phone, or less than a day. Depends on the screen on time.you're only gonna get like 5 hours max. screen usage.
Also look at your battery stats, if android os is at the top, that's a whole other issue that is caused by a few different things.
Sent from my A500 using Tapatalk
Same but my problem is I never can leave my phone alone lol
Sent from my SGH-T959V using xda premium
LOL. When I'm at home wifi is almost always on, which is draining. Wifi calls seem to almost always be on top, followed by display. I put the display brightness to the lowest level (unchecking auto, of course) and also uncheck the power saving mode as it will change the display brightness.
Haven't really tried going a day or so without wifi as I don't get great coverage @ home.
Sent from my SGH-T959V using XDA App
@steven_w: try juicedefender. It manages your data connection and wifi
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Thank you for sharing this. Hopefully everyone reads this.
I've always gotten great battery life on my phone. I'm a light user and get 2-4 days regularly, and I've never calibrated my battery.
I usually just make sure my phone is fully charged whenever I flash roms, though that might not really do anything either, other than make sure the phone doesn't die when your flashing.
But I did notice an improvement after flashing the lightning-zap tweak though.
The non-effectiveness of deleting the battery log was discussed here.
http://forum.xda-developers.com/showpost.php?p=21011092&postcount=2
The links within the post provided some useful information on the fuel gauge chip and how it measures open circuit voltage in our phone.
It is a modern old wives tale. Let them waste their time calibrating.
Sent from my SGH-T959V using xda premium
mike-y said:
I've always gotten great battery life on my phone. I'm a light user and get 2-4 days regularly, and I've never calibrated my battery.
I usually just make sure my phone is fully charged whenever I flash roms, though that might not really do anything either, other than make sure the phone doesn't die when your flashing.
But I did notice an improvement after flashing the lightning-zap tweak though.
Click to expand...
Click to collapse
I'd like to know your secret, because I recently had my phone die 16 hours after being fully charged and only about 30 minutes of actual use.
Wow, very interesting, thanks for posting.
Removed
Sent from my SGH-T959V using xda premium
Harrison85 said:
Same but my problem is I never can leave my phone alone lol
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Click to collapse
same here. it seems that my phone only lasts around 8-9 hrs on a single charge. i wonder how some other people make it last for a day? this is the one big downside of android (not particularly this phone) for me. I just installed Tegrak Overclock Ultimate to under volt my CPU and slow down the battery drain. Hope that solves my problem (crossing fingers)