power: high battery drain since 11/01/27 update (especially during sleep)

GoogleCodeExporter commented 9 years ago

What steps will reproduce the problem?
1. Just using the phone
2. N/A
3. N/A

What is the expected output? What do you see instead?
Battery drains faster than it should after using the 27th JAN update files.

What version of the product are you using? On what operating system?
Using 27th JAN updated files (zImage and o2bupdate)

Please provide any additional information below.
Others have reported the same issues.

Original issue reported on code.google.com by pa1.anno...@gmail.com on 28 Jan 2011 at 3:59

GoogleCodeExporter commented 9 years ago

same here

Original comment by djsolids...@gmail.com on 28 Jan 2011 at 8:48

GoogleCodeExporter commented 9 years ago

Agreed. My phone didn't make it through the day. It did before. Actually, 
battery drains a lot more during the sleep phases (just like if it didn't 
really sleep). Before, while sleeping, it would drop by about 3%, now it drops 
by 15%.

Original comment by nathrin...@gmail.com on 28 Jan 2011 at 9:22

GoogleCodeExporter commented 9 years ago

^^ Exactly. Reverting back to the previous zImage for now.

Original comment by pa1.anno...@gmail.com on 29 Jan 2011 at 4:28

GoogleCodeExporter commented 9 years ago

confirm! also leaving the phone in stan-by drain the battery

Original comment by pierpaol...@gmail.com on 30 Jan 2011 at 10:13

GoogleCodeExporter commented 9 years ago

and also the battery percentage seem strange, there is a 10% of differenze 
between android and win mob (for ex in in android show 72, in winmob show 84)

Original comment by djsolids...@gmail.com on 30 Jan 2011 at 12:54

GoogleCodeExporter commented 9 years ago

also with yesterday's update fast battery drain

Original comment by djsolids...@gmail.com on 1 Feb 2011 at 12:34

GoogleCodeExporter commented 9 years ago

Original comment by nathrin...@gmail.com on 4 Feb 2011 at 4:16

Changed title: battery: high battery drain since 11/01/27 update (especially during sleep)
Changed state: Accepted

GoogleCodeExporter commented 9 years ago

This is probably because wifi cant deactivate properly yet. Try rebooting, 
without using wifi. Then it wont use a lot of energy while sleeping.

Original comment by Marcvanh...@gmail.com on 18 Feb 2011 at 4:31

GoogleCodeExporter commented 9 years ago

Actually, this problem can be labeled solved after the 11/2/11 update. For 
anyone still experiencing it, try uninstalling call light, use keepscreen 
instead. My battery is now draining no faster than it would under WM. Once the 
30sec-call-mute problem is solved, we won't need keepscreen either.

Original comment by pa1.anno...@gmail.com on 19 Feb 2011 at 7:56

GoogleCodeExporter commented 9 years ago

I do not agree with the above comment. Using the 11/2/11 update, with 2D/3D 
libs, and I don't even use call light. Screen off for 10 mins, 5-8% battery 
gone. Leave it over night, starting with 100% charge, guaranteed to wake up to 
a dead phone. GPS is off. Wifi is off. The tick is on use 2g networks only but 
never seems to drop signal if I change this so not sure if that is working. 
Took a long time of many tries to get that tick to stick too. Cell Standby 
still seems to be the main culprit, then Phone Idle, under battery usage thingy.

Original comment by corod...@gmail.com on 20 Feb 2011 at 11:04

GoogleCodeExporter commented 9 years ago

I dunno then. I've definitely woken up to see just a 8-12% drop through the 
night, and not just once or twice. I've been using it daily now. Cell standby 
is still responsible for a huge share of battery usage, but for me, it has 
certainly been at manageable levels.

Original comment by pa1.anno...@gmail.com on 20 Feb 2011 at 11:09

GoogleCodeExporter commented 9 years ago

I'm thinking the reason for high battery drain is incorrect 2/3g transmitter 
power control. i.e the phone is emitting more radio power than it needs to 
connect with the local cell.

I am a radio systems engineer.

What do others see their received signal strength as? (settings/ about / 
status) Mine seems to be permanently at -81dBm 16 asu. At work I can get within 
30 metres of a 3G transmitter base aerial and my phone still shows the same 
signal strength. It should be waaay higher, I'm guessing something like -30dBm 
which is a power factor of 10 thousand times higher!

The signal strength of a received signal determines the power output that the 
phone transmits at so that it can be 'heard ' by the receiver. If the phone is 
unnecessarily transmitting too much power it is wasting battery power and also 
causing data errors with the receiver.

Perhaps this is a clue to reducing battery drain?

Original comment by vabb...@gmail.com on 22 Feb 2011 at 4:08

GoogleCodeExporter commented 9 years ago

...It is the transceiver and RF amplifier area of my phone that seems to be the 
source of high levels of heat during browsing etc on my phone. Under Windows 
the phone is a lot cooler.

Original comment by vabb...@gmail.com on 22 Feb 2011 at 4:11

GoogleCodeExporter commented 9 years ago

seems to make good sense.
I've checked mine : guess what,.... -81 16ASU
im thinking your right ! this is the problem with the heating/drain/SOD? ( i 
hope so much )

Original comment by jjrt1...@gmail.com on 23 Feb 2011 at 12:41

GoogleCodeExporter commented 9 years ago

Yes,makes sense. Same here, -81 16 ASU at all times.

Original comment by pa1.anno...@gmail.com on 23 Feb 2011 at 4:51

GoogleCodeExporter commented 9 years ago

+1 (but i'm using the DataonDemand app which disables 3g when screen is off)
that helps to save power)

Original comment by mosclamer on 23 Feb 2011 at 5:13

GoogleCodeExporter commented 9 years ago

moscla, also same output ? -81 16ASU ?

Original comment by jjrt1...@gmail.com on 23 Feb 2011 at 11:27

GoogleCodeExporter commented 9 years ago

Mine is -81 16ASU too

Original comment by r4y...@gmail.com on 23 Feb 2011 at 12:03

GoogleCodeExporter commented 9 years ago

[deleted comment]

GoogleCodeExporter commented 9 years ago

same here -81dbm  16asu

Original comment by minh.tr....@gmail.com on 23 Feb 2011 at 12:34

GoogleCodeExporter commented 9 years ago

(+1) -81@16

Original comment by sergio...@gmail.com on 23 Feb 2011 at 12:48

GoogleCodeExporter commented 9 years ago

it seems to me that the value can´t get lower that -81 16, but it can get 
higher if you have a really bad coverage.

Original comment by aleo...@gmail.com on 23 Feb 2011 at 1:02

GoogleCodeExporter commented 9 years ago

Same here: -81dBm / 16asu

Original comment by r.markie...@gmail.com on 23 Feb 2011 at 1:05

GoogleCodeExporter commented 9 years ago

Locations of 3G-GSM Masts located around my appartment
and there are many here !
so i cant have a weak signal

Original comment by jjrt1...@gmail.com on 23 Feb 2011 at 1:18

Attachments:

3G.jpg

GoogleCodeExporter commented 9 years ago

Me too -81dBm / 16 asu . It hasn't really showed any other numbers than those...

Original comment by hakala.o...@gmail.com on 23 Feb 2011 at 1:19

GoogleCodeExporter commented 9 years ago

Mine briefly showed -97dBm 8asu! ...so we at least know the level isn't hard 
wired.

Original comment by vabb...@gmail.com on 23 Feb 2011 at 2:43

GoogleCodeExporter commented 9 years ago

of course it is from the GSM receiver. I have told so many times on the forum 
also. If you ckeck the battery usage in the phone status you will see that more 
than 50% of the battery life is taken by cell standby.

Original comment by alex...@gmail.com on 23 Feb 2011 at 3:40

GoogleCodeExporter commented 9 years ago

At the phone dialpad  type *#0011#. This will bring up a GSM service screen 
showing the levels from the RF transceiver chip. 

The second line will show the receiver channel and the true reception strength. 
Wave the phone about and this will change.

There are other levels there such as Tx power which may be useful in diagnosing 
this issue.

Vic

Original comment by vabb...@gmail.com on 23 Feb 2011 at 3:52

GoogleCodeExporter commented 9 years ago

Values doesnt change when walking around here,

Receiver chan : 10637, R -87
Transmit chan : 9687 Tx pwr:0

Original comment by jjrt1...@gmail.com on 23 Feb 2011 at 4:25

GoogleCodeExporter commented 9 years ago

Around my office I have ( in 3G ) :

-81 dBm 16 asu ( 4 bars )
-97 dBm 8 asu ( 3 bars )
-103 dBm 4 asu ( 2 bars )

I have reduced my "Time without a signal" from 50% ( and more ) to 0% ( not 
reported )
changing "Set preferred network type" from "GSM/CDMA auto (PRL)" to "WCDMA 
preferred"
( my Italian operator is H3G that operates only in 3G bands ( in roaming for 2G 
)) :

1) *#*#4636#*#* ( in the phone dial pad ) ,
2) Phone Information ,
3) Set preferred network type >>> WCDMA preferred ,
4) Turn off radio ( with the little button just under ) ( waiting for radio 
turning off ) ,
5) Turn on radio ( with the same button just under ) ( + back , back ... ) .

Now, after reboot, applying only the points 1),2),4),5) , without the point 3) 
, the result seems the same.
Booh !!!

sgoo

Original comment by sgoo...@gmail.com on 23 Feb 2011 at 6:05

GoogleCodeExporter commented 9 years ago

too check the GSM status in WiMo use telephone code: 
*#0228# or *#0011#

Original comment by help.mar...@googlemail.com on 23 Feb 2011 at 10:23

GoogleCodeExporter commented 9 years ago

This might be just about the Samsung hardware/software. I asked 5 of my friends 
galaxy s signal strength: they were -81dBm or lower (-97dBm). HTC Desire 
instead had around -60dBM. My place is also located near many 3G-GSM masts...

Original comment by hakala.o...@gmail.com on 24 Feb 2011 at 8:09

GoogleCodeExporter commented 9 years ago

as far as i know the best possible signal is -63 dBm
my omnia in best case goes to -81 dBm 16 asu 
and a ZTE blade at the same spot goes to -71 dBm with 21 asu
and believe me in 5 floors from the antenna

Original comment by dmastalo...@gmail.com on 24 Feb 2011 at 3:23

GoogleCodeExporter commented 9 years ago

On Roof at work 50m from Antennas! ...
Winmo .. *#0011#  =  Rx Sig = -27dBm
Android  *#0011#  =  Rx Sig = -28dBm
Android Settings/about/Sig Strength =-81 dBm

If Android is using the -81 figure to determine its transmit power, it is 
transmitting a power approximately one thousand times higher than it needs to.

Original comment by vabb...@gmail.com on 25 Feb 2011 at 8:54

GoogleCodeExporter commented 9 years ago

nice find !!
maybe Sandor knows a way to patch/fix it ...

Original comment by elbee1...@gmail.com on 25 Feb 2011 at 11:41

GoogleCodeExporter commented 9 years ago

my korea omnia result(WCDMA)
*#0011# in winmo
RxCH:10614, R:-84, RSCP:-93
TxCH:9664,TxPwr:- , Eclo:-7

*0228# in winmo
Antenna RSSI: -82
Antenna Bar: 4

Original comment by neoki...@gmail.com on 27 Feb 2011 at 12:05

GoogleCodeExporter commented 9 years ago

Original comment by elbee1...@gmail.com on 7 Mar 2011 at 9:41

Changed title: power: high battery drain since 11/01/27 update (especially during sleep)

GoogleCodeExporter commented 9 years ago

battery drain on Beta 2 with update 03.03.2011 about 15% overnight with 
disabled data connection.

Original comment by Christia...@gmail.com on 11 Mar 2011 at 10:48

GoogleCodeExporter commented 9 years ago

Tried the 'Airplane Mode' workaround/trick?

1.Activate 'Airplane mode' on the phone.
2.Wait and let it go to sleep of its own accord.
3.Wake up the phone after a short while and deactivate Airplane mode'

Phone should then use much less battery in 'cell standby' Users report much 
less battery drain, myself included.

Original comment by vabb...@gmail.com on 11 Mar 2011 at 12:16

GoogleCodeExporter commented 9 years ago

[deleted comment]

GoogleCodeExporter commented 9 years ago

I agreed with vabb. The method of turning off/on airplane mode significant 
reduce the power consumption of "cell standby".

I got two screen shots of my "battery use" before and after applying the method.
http://jerrytech2468.blogspot.com/2011/04/i8000-froyo-android-22-beta1-battery.h
tml

Original comment by jerry.lo...@gmail.com on 24 Apr 2011 at 4:58

GoogleCodeExporter commented 9 years ago

[deleted comment]

GoogleCodeExporter commented 9 years ago

Well... I got some interesting finding by... er... accident...

The thing is... when my battery dies on Android, it usually f*** up the android 
installation a little by little... well... this time, i changed back to WiMo 
and changed the battery setting to minimal performance before it died, then 
charged a little and... well... when i changed back to Android, voilá, the 
phone stopped heating and the battery started lasting forever!!! I don't know 
if was just a coincidence, I trying to do it again, but, i though i should post 
it...

I don't know if this information is of any help too... but, well... worth the 
shoot, right?

Original comment by pesso...@gmail.com on 7 Jun 2011 at 1:33

GoogleCodeExporter commented 9 years ago

Hola, no entendi muy bien el procedimiento aplicado, por favor podrias ser mas 
especifico, gracias!

Hello, not understand very well the procedure used, please could you be more 
specific, thanks!

Original comment by andreslo...@gmail.com on 7 Jun 2011 at 7:27

GoogleCodeExporter commented 9 years ago

I've tried again, and looks like it works:

1) Startup Windows Mobile, go to the battery settings, set the performance to 
"normal" or "low"
2) Start Hariet.exe again
3) Whatch your battery last more!

Yes, the android goes a little sluggish but, the battery lasts longer...

Also, turning off the data connection made my cell last for almost two days!

Original comment by pesso...@gmail.com on 8 Jun 2011 at 9:24

GoogleCodeExporter commented 9 years ago

Hi!

About power consumption... Well, i tryed CPUtuner, i've tryed GreenPower and 
still, on the froyo beta1, the power consumption rate is way over the top...

So, my question is, is the eclair beta a little better on power consumption 
levels?? Did anybody bother benchmarking this?

Thanks for your time!

Original comment by pesso...@gmail.com on 12 Jul 2011 at 12:05

Raconeisteron / omnia2droid

power: high battery drain since 11/01/27 update (especially during sleep) #54