yashsingh1/xdaforums huggingface dataset:
[Galaxy Note GT-N7000 General] Ast2001:
As seen in a thread concerning l2_hsic, it seems that the radio XXLR1 could solved the problem. I have the radio LPt by default, i've changed my radio to LR1 and, for the time being, i have no more problem with the l2_hsic wakelock.

I will report in a few hours if it still working :-)
[Galaxy Note GT-N7000 General] suhasn46:
How exactly do you change the radio? Does this require rooting?
[Galaxy Note GT-N7000 General] Ast2001:
It works even on non rooted devices.

I've put two files ont my sd-card:

CWM.ZIP (http://xdaforums.com/showthread.php?t=1329360)

XXLR1.ZIP (via the thread http://xdaforums.com/showthread.php?t=1645202)

Then, i have rebooted in recovery mode (Vol up + Home + Power On) and i have installed the file CWM.ZIP.

After the install, I have installed via CWM the file XXLR1.ZIP and voilà...
[Galaxy Note GT-N7000 General] letters_to_cleo:
Word of caution in changing radios...

some have changed their radio modems to what is being perceive as a 'right' one.. and now after they've booted up... its either they lost some network signals after or they've totally messed up their APN settings.. and can't connect to the internet anymore.

I'm not saying you shouldn't change it, but all I'm saying is that you should be very very extra careful altering or changing the Radio modems as some can bring network repercussions to your phone.

Research thoroughly the radio before you flash it.
[Galaxy Note GT-N7000 General] MAXWELLPAT:
have u tryed ajusting the brightnes
[Galaxy Note GT-N7000 General] Dsteppa:
I don't really know if wifi is a big problem. I mean on my device the wifi is always on, and in 18hours only 19% of my battery was use (81% left). At battery stats wifi usage is 5%
[Galaxy Note GT-N7000 General] inurb:
same here ICS has TERRIBLE battery life. On KKA my phone would last til 11pm after being unplugged from the charger at 8am. I can't believe how bad the battery life is now.

Xda developer geniuses what gives? Can you give some insight on why the official Samsung ICS has such horrid battery life?
[Galaxy Note GT-N7000 General] inurb:
Check out how bad my battery life is on LPY vs Gingerbread. (Both Stock Roms from Samsung)
[Galaxy Note GT-N7000 General] chintanm87:
Anyone has info from samsung?

Hi,

the same battery issue along with some app crash and phone hang is with my phone after its upgrade to ICS..

Any one has any information regarding some patch release from samsung so such issues can be fixed?

Thanks
[Galaxy Note GT-N7000 General] diamondpillow:
Every phone might face diff wakelocks, best will be to install cpu spy and betterbatterystats and narrow down the issue, so they can help you with it.

look @ this thread - http://xdaforums.com/showthread.php?p=26910451#post26910451

---------- Post added at 11:07 AM ---------- Previous post was at 11:02 AM ----------

I cant explain how they are related and how they work too.

But I am seeing at huge drop of more than 80% of wake time of l2_hsic after I done that setting I've shown above.

So it might be that in my case its a setting that prevented my phone from going into deep sleep, thus causing continuous drain while screen off.

so I think for your case you are pretty good, doesnt look like you are facing any draining issue.
[Galaxy Note GT-N7000 General] DarthVR6:
I started a similar thread in the QA forum...got some good advice, although at the end i had to re install origonal stock gb, wipe and clear cache - re install ics update and that was it...my batt life is back to normal..
[Galaxy Note GT-N7000 General] Titus A Duxass:
I have 3d 21h 16m 1s on battery and still have 11%.

I think it may last for 4 days in standby, then I'll recharge it to 100% and continue normal usage.
[Galaxy Note GT-N7000 General] Peter Galbavy:
This appears to be a write only thread, so just in case people are actually looking for advice rather than just a place to whine; About one week since I let my Note on ICS drain down and sit at 1% for some time and then a couple of day later let it fully drain (it was on 1% for about 2 hours) - since then, and the presumed recalibration, battery life has been back to GB levels for me.

Try it? Go on, don't just whine about how much better GB was.
[Galaxy Note GT-N7000 General] ukxoomer:
As quite a few have already said its a problem with the radio. Flash XXLR1 and the l2_hsic wake lock problem will vanish and with it your battery problems.

I was on the verge of selling my Note due to the woeful battery life on ICS, flashing this radio immediately solved the problem for me.

Seriously doing this will restore GB or better battery life to your phone!
[Galaxy Note GT-N7000 General] oscarsalgar:
Well, after flashing XXLR1 radio I still get the infamous l2_hsic (80,2%). I'm losing 1% battery every 3 minutes. Doesn't seem like a good solution for me
[Galaxy Note GT-N7000 General] Ast2001:
Yes, you're right :-( As I've told in the l2_hsic thread, I just had a battery drain problem caused by the now infamous l2_hsic wakelock even with XXLR1.

I thought it was the solution but it wasn't.. I'm really really disappointed by ICS on the Note.
[Galaxy Note GT-N7000 General] LowDef:
You need 1,000mA USB output car-adaptor in order to charge the Note while using. I am using BELKIN MicroCharge 1A (=1,000 mA)

Sent from my GT-N7000
[Galaxy Note GT-N7000 General] nnick:
I know, you're right. But fact is that this didn't happen to me before with GB.... now with ICS I was stunned to see the battery going down 1% then 2% and so on WHILE PLUGGED IN!!! Wow. :eek::eek:

In the meanwhile I've done a factory reset and I am reinstalling most of my apps, hoping that this will solve something. Given that this phone has seen only OTA/Kies updates since it was launched, who knows, something went wrong. Will keep you updated.
[Galaxy Note GT-N7000 General] v8dave:
I was looking forward to the ICS update but now I am frustrated with severe battery usage.

I have followed all the suggestions here and still not good.

I powred off and on this morning before I left the office and running CPU spy showed 13:54 on deep sleep after about 20 mins or so of off. I used the phone a few times today to check emails and I am still only seeing the same 13:54 deep sleep and 200Mhz and battery is now down to 19% tonight. I got way better than this on GB.

I hope Samsung finds the problem here and fixes it as I am convinced it is a problem with the kernel and not anything I have installed as I am running the same apps as I had with GB, although to be fair, it could be a compatibilit issue.

I am just going to go and purchase BetterBatteryStats and see if that can track down the problem.

Dave...
[Galaxy Note GT-N7000 General] LowDef:
It appears to me as well that ICS (stock) has more battery draining than GB, which was okay with most 500 mA chargers.

BTW please let us know if your factory reset experiment works or not.

Sent from my GT-N7000
[Galaxy Note GT-N7000 General] LowDef:
Anyone know a way to communicate with SS devs? I think they are not spending manhours in this forum.

Sent from my GT-N7000
[Galaxy Note GT-N7000 General] noteworthy:
Chalk me up as another disgruntled ICS user.Very poor battery life.Not even 8 hours with very light useage.It is losing 10% an hour without even touching the phone.I used to leave it overnight and would still have 95% left.
[Galaxy Note GT-N7000 General] DrLeoB:
Battery life Better on XEU ICS

I've tried several roms in the last few weeks as I get used to my new Note and have observed that some of the roms eat my battery reserve substantially faster than the GB stock rom.

Since installing the stock XEU ICS release from the UK .... NO issues at all. Overnight life with WiFi enabled, GPS disabled and sound off ... 100%>>92%.

I noticed that CrisKelo roms were probably the worst and the Kingdroid rom the best of the non-stock roms on my phone.
[Galaxy Note GT-N7000 General] p107r0:
Same here, I tried LPY first and gave up on it, because of uncontrollable battery consumption, now installed LQ2 (UK/Ireland), applied the same battery saving settings as I do with GB, and power consumption in standby is really nice, estimated usage at ca. 2-15 mA. So far no reason to complain.
[Galaxy Note GT-N7000 General] udanii:
battery problem resolved :-)

Hi guys all those who have battery problem , all you need to do is take a back up on kies and do a factory reset. I did that . Now my battery is back to normal. Lasted me about 18 hours (still 24pc left )

In moderate use + 3g on all the time.

Give it a try .
[Galaxy Note GT-N7000 General] PJ147:
Isn't that risky? ( bricking etc)

Sent from my GT-N7000
[Galaxy Note GT-N7000 General] tdodd:
Well my problems with LPY still continue on and off. Mostly it's behaving, but twice today, with a reboot in between, Swiftkey, which is (was) my preferred keyboard has kept going mental, consuming 49% CPU relentlessly and raising temperatures while I have not even been using the phone. I've no choice for the time being but to freeze it and return to the Samsung Keyboard.

It isn't just Swiftkey that has exhibited this problem. There have been other things too. It was something to do with MTP a while ago, plus USB OTG storage. I don't think I have a wakelock problem any more, just these lunatic apps which won't behave.

It's totally unpredictable and leaving me to continually doubt the phone,
[Galaxy Note GT-N7000 General] vcespon:
Just to show that the problem is not the ROM itself...

XEU LQ2, kernel Speedmod K3-3, 3G and Wifi ON, but no data sync (twitter, e-mail, all set to manual update)

As you can see on the right, once you leave the phone alone and goes into deep sleep, the line is completly horizontal. Not even 1% in 3 hours. I could leave the phone that way for days.
[Galaxy Note GT-N7000 General] reinerlee:
Sorry, I don't quite understand what is the

"l2_hsic", "wakelock", "LPY" thing,

I've updated my note to ICS via Kies too,

I'm having same battery issue,

and resetting back to factory state doesn't give any help.

I've tried the "Airplane mode" restart method, but it doesn't really give a big help.

my note have to always on 3G/Wifi. I've checked the CPU spy, it never initiate any DEEP SLEEP state.
[Galaxy Note GT-N7000 General] snabben:
I would suggest installing Asylum rom, i have great batterylife with it, last recharge 1d20h uptime 3% left, 3h27min screen on surfing,playing lots of wordfeud etc.
[Galaxy Note GT-N7000 General] EdgaBimbam:
im using criskelo rom v5 and speedmod kernel

200-1.4ghz ondemand up-treshold 60%

and after 1 day, screen time 3.30hours, 1:40 surfing the net with wifi, 2 hours listening music) and it is enough for me :)
[Galaxy Note GT-N7000 General] :
Re: vcspon

I was about to post the same as yourself except my note had been in airplane mode untouched for 12 hours and the battery went down a whole 2% in that time.

This is on stock never rooted ICS. Even outside of airplane mode I get 18hours+ between charges but then im probably not a heavy user...
[Galaxy Note GT-N7000 General] michom:
Even on Gingerbread, when I had my note plugged into my car's usb port and while using it for navigation, the battery percentage would drop...
[Galaxy Note GT-N7000 General] JulyDerek:
I agree. Same phone, same apps. My battery life has gone down by 40-50% !! WTF! And I was thinking upgrading to ICS would increase the battery life. :mad:
[Galaxy Note GT-N7000 General] tdodd:
For me as well, and I tried various "high current" chargers - both 1 Amp and 2.1 Amp - without success. The problem was fixed when I bought the official Samsung charger (£10 from Amazon).

I'm sure there is something special in the wiring that allows the phone to draw sufficient current, and whatever that thing is that needs doing, it is not done with the generic chargers, no matter how powerful.
[Galaxy Note GT-N7000 General] dafreaking:
Initially had very bad battery life on Stock ICS. So as mentioned somewhere on the forum this is what I did.

1. Installed the latest GB rom via PC Odin (In my case LC1)

2. Formatted Phone USB Storage

3. Factory Reset Phone

4. Installed ICS (LP8) using PC Odin.

Also froze MapServiceSamsung as it was guzzling up too much juice.

Getting pretty decent battery life at the moment (At least for my needs)

Screens
[Galaxy Note GT-N7000 General] scarlet_sg:
i for one managed to fix the non-deep sleep issue by following the airplane mode trick

then luckily i was at 9% last night and just let the battery die out then charged it fully and finally removing JD and just using the stock power saving option

see my battery stat attached... been on battery since 3am this morning although i just used facebook and emails for a while but mostly on calls

this is now absolutely awesome compared to where i was 2 days ago... phone was barely used just a few minutes on facebook, emails and phone calls and i only had 13% at about the same time today
[Galaxy Note GT-N7000 General] adzam3:
I also had low battery life. Decided to reset my phone while still on ics and so far so good. Battery going strong.

Issues arrising from the locking sound and touch sound being enable is gone. Hope it stays this way.
[Galaxy Note GT-N7000 General] Davrat:
Not for me. :( Once I've recharged the bug reappears and I get no deep sleep time at all.

But I have found all I need to do is a restart to sort the problem out, which although is still an annoyance it isn't as annoying as having to go through the airplane on/power down/battery out/power on/airplane off malarkey.

Seems a really bad bug if you ask me!
[Galaxy Note GT-N7000 General] debernardis:
Try changing your charger. As I wrote in a previous post, some chargers induce the no-deep-sleep bug.
[Galaxy Note GT-N7000 General] reinerlee:
Agreed, that's definitely the charger/cable problem, a 1/2.1 amp charger (2.1amp would be recommended for our large battery pack for faster charging IMO).

I got a fake Belkin 1amp in-car microcharger which doen't charge anything at all while the phone is in operating, only if idle, 1 hour charge only 5%.

Once I got the Kensington 2 port USB (1amp+2.1amp) one, and got a factory HTC cable, I'm a happy man that do not worry about battery life while travelling everywhere.
[Galaxy Note GT-N7000 General] debernardis:
Also, this seems kernel-dependent.

When I used LPF stock kernel, my legacy Nokia micro USB charger, when disconnected, left my Note stuck on 200 MHz clock without deep sleep.

Now I am using SpeedMod kernel and I have no problems with that charger :D
[Galaxy Note GT-N7000 General] Davrat:
I'm using the Samsung charger that came with the phone.
[Galaxy Note GT-N7000 General] nnick:
Doesn't seem to work. Still draining the battery like something else. I'm not happy.....
[Galaxy Note GT-N7000 General] mschot:
I changed from the LPY stock ICS, where I had 5 or 6 hours per battery, to the latest UK stock ICS version and am now at almost 17 hours since I upgraded... 9% battery left! I am completely stunned :thumbup:
[Galaxy Note GT-N7000 General] ilegales:
i have noticed that my battery has a quicker drain on it since using ICS

probably not a huge amount but more imho

overnight it has the same loss of about 3% as my GB os
[Galaxy Note GT-N7000 General] theguy:
I'm not sure how this stacks up to stock ics battery life (i'm avoiding stock until i feel safe about the emmc bug :p) but on cm9 my results are positive:

one thing to note, let your battery drain fully. before I was getting a shade over 3 hours screen time when it would reach 10% but what I found is it would last 20-30 minutes when it was at 1%. after this I charged it up to full and I now get the time in the above picture.

I also did have a deep sleep problem but i think that came from when I unplugged the charger with the screen switched off, so maybe avoid doing that.

all in all the battery life is a big improvement over my old hox ^^
[Galaxy Note GT-N7000 General] Baker0:
I updated the other day. I also have very bad battery performance. I done a hardware reset which seems to work for a bit then its back to draining really quick.

I'm not happy as I use to get around 2 days+ when light using, now I get a day.
[Galaxy Note GT-N7000 General] paiseleht:
After setting Wifi frequency from auto to 2.4G the battery curve went much better. But with some routers it does not matter. I have wifi always ON.

Also, signal strength can be a factor.

And in my country, the summer is much brighter than winter and thus the auto brightness helds higher levels right now (battery drains faster).

As I have 2 notes in the family that are used approx the same, and one of those is LA6 GB and the other one is LPY ICS (ATO) then I can honestly say that ICS works practically the same. In areas of good reception and newer wifi routers the performance is even slightly better.

---------- Post added at 12:17 PM ---------- Previous post was at 12:12 PM ----------

just for information:

In good signal and new router I had 2 % per night.

In bad signal and older router with AUTO frequency I had 13 % per night.

ICS LPY (ATO - Austria open)
[Galaxy Note GT-N7000 General] DaBountyHunter:
Guys do you reckon something is up with my device as well?

I don't remember it being this bad with GB

See attached. I'm running the below stock ICS ROM.

N7000XXLQ2-------4.0.3-----------2012 May-----------N7000XEULP4-----United Kingdom / Ireland---------------------------

I've barely used the phone today and it's dropped so much... what the hell gives any ideas? You'll have to forgive me as I'm new to all this android stuff so when you talk about radios and the likes you'll have to point me to the builds etc...

Thanks

Nick
[Galaxy Note GT-N7000 General] swifthyd:
I stopped all the sns related applications and disabled those which allowed disabling and my battery life is now back at gb levels. The only problem os that after a phone restart I have to repeat this process.

Hope this helps
[Galaxy Note GT-N7000 General] p107r0:
find the batterystats thread, it's a great tool for this kind of problems
[Galaxy Note GT-N7000 General] DaBountyHunter:
Thanks guys I downloaded CPU spy and saw my device never went in to "deep sleep mode". Spent most of it's time in 200Mhz mode.

I did the trick above about going in to plane mode rebooting and then turning plane mode back on. Also disabled any syncing stuff. It's been 3 hours now without use and the battery hasn't dropped at all! Funny thing is it was at 65% when I did this it's now at 66% and discharging. I got an extra 1% out of this lol. :confused: :)
[Galaxy Note GT-N7000 General] becosemsaida:
I just wanted to leave here my experience with ics and batt. surge,

When i'm at home and using the note normally (push active, wi-fi 24/7, games etc. etc.) i get around 1 day with the battery, i like to call it heavy usage but i know there is worse !!!

This week i had to do some other work for my company and so i leave the note in my car (yes, i'm afraid it will damage) so most of the time its sleeping, no wi-fi, no 3g, no push (active but no data connection). I use it during lunch time to return calls see mails etc. etc. With this configuration my note lasted 3 days....... So using it only at night and during lunch time, about 6 hours a day, the note can last longer.

I always was one that defended that we buy a device for usage, nothing changed here, but on ICS the battery is the same as on GB !! People that complain about battery life should use more wisely their knowledge about wich apps can left open and closed, use more wisely the apps they install (do they stay open in background, using battery and data??) and most of all close apps they do not use. In ICS we have the option to close and "turn-off" apps we don't use: all the "hub's" for example are great battery hogs......

It's very annoying to see the battery down at 16:00 but we also have to see what we have done with it since unplugged from the charger.......

Hope that my opinion helps someone......

SGN ICS Stock, no root and YES i have the eMMC problem.............

becosemsaida
[Galaxy Note GT-N7000 General] Tonio78370:
I don't know if it was mentioned already but there seems to be a problem after charging the Note. If I don't wake the phone up and take it of the cradle, I have the Deep Sleep Problem (200 MHz constantly). Only solution is a reboot.

If I wake it up before disconnecting everything is fine. I did the Airplane Mode trick but the problem after charging remains.

I'm on stock XEN ICS and are very happy with it. Today: Phone is alive for 12h30 hours, BT, WiFi on, ~30 minutes of conversation and a bit of browsing (Badass says ~30 minutes of Screen time), 79% left :D
[Galaxy Note GT-N7000 General] tsk1979:
Quite surprising.

When I updated to ICS, I had this deep sleep problem. BetterBatteryStats shows that fuel_alerted was the problem.

I removed battery and when I restarted the phone, problem went away.

I use it normally. i.e. take of the charger without waking up screen. No precautions etc,.

I just do not touch the "Power Saving button". That should be renamed to power hogging button.

I am on stock launcher. Some people have reported third party launchers causing issues.

Better Battery stats is indeed a fine application. That will tell you exactly who is the culprit.
[Galaxy Note GT-N7000 General] mingonn:
Running a stock OTA ICS update with Apex Launcher. Terrible battery life <12 hours for two charge cycles (let the phone switch itself off both times before recharging)

Tried the power up before unplugging trick this morning and still on 83% after 8.5 hours!! Heaps better than my stock GB experience to date.

Mainly business use Exchange on push, turn WIFI on when needed. Today's use has been similar to the previous two so it worked for me.

I can live with turning on before unplugging for the extra battery :)

Anyone know if the Airplane Mode, Remove Battery, etc method is a permanent fix or do you have to do it every time? Will try that one tomorrow.
[Galaxy Note GT-N7000 General] PJ147:
Every time
[Galaxy Note GT-N7000 General] DaBountyHunter:
If you turn off the battery screen lock sounds etc then you should hopefully have no repeat issues. Well it has appeared that way for me at the moment.

Thanks

Nick
[Galaxy Note GT-N7000 General] Ast2001:
Every time but I'm sure that removing the battery is an useless step.

In my case, Going into Airplane mode, rebooting and turning off Airplane mode works perfectly.
[Galaxy Note GT-N7000 General] mingonn:
Will stick to turning on before un plugging I think. Checked and all touch settings and they were off.
[Galaxy Note GT-N7000 General] Tonio78370:
I guess I'll take the habit to reboot after charging, it's not a big deal and give a clean start.

This morning I woke it up, disconnected and had the 200 MHz problem anyway..
[Galaxy Note GT-N7000 General] v8dave:
I gave up on all the power off and battery out stuff as it just didn't work and having to remember to switch on before removing the charger was hit and miss I decided to backup the system to Kies and then take the chance and do a factory wipe.

It worked and I reinstalled all my apps from the market and now the phone goes into deep sleep. I am sitting here today having used the phone off the charger since 8:30 this morning (now 21:10) and I still have 66% left. This is after a 15 minute call this morning, lots of email, some web browsing and other little odd uses like camera, over the air download to Kies etc.

Based on this and yesterdays performance I am much happier with the phones battery life.

Dave...
[Galaxy Note GT-N7000 General] Tonio78370:
I don't want to discourage you but that's the way I installed ICS. I flashed original GB and wiped, had KIES install ICS and wiped again but this Deep Sleep mess came anyway.

As I said, I'll reboot and hat's it, the bad thing is when you connect to USB, the same thing happens, 200 MHz constantly.

I cross my fingers it'll be different for you
[Galaxy Note GT-N7000 General] JulyDerek:
When I first installed the stock ICS, the no deep-sleep problems disappeared.

Again, from a few days ago, the phone doesn't go into deep-sleep again. I tried all the solutions given here except for reinstalling. But non seem to work. :(