topic Re: ARC/ARC S Battery drain problem Solved Finally !!!!! in XPERIA archive

ARC/ARC S Battery drain problem Solved Finally !!!!!

Auni — Tue, 27 Dec 2011 20:23:35 GMT

Finally my ARC S is giving execellent battery backup.

Almost double battery backup:smileylaugh:

Please find this thread below

http://forum.xda-developers.com/showthread.php?t=1413262

Please check this thread from XDA.

Hello guys

Today i am going to give you a very small tip may you people like it ....
i used 2.3.4_283 firmware in Arc for a long time , after that i flashed 42 firmware and feel that its drain battery fast as compare to 283 firmware either you are using you phone or it is in deep sleep mod
Then i flashed 58 firmware and after that 62 firmware but battery drains still fast
then i try one thing on my arc i get the Kernel from 283 firmware and flashed it on all three version of firmwares ( 42, 58, 62 ) and notice that the issue of fast battery drain is solved it is only because of 283 kernel "

now i am using 42 firmware with baseband 64 and kernel from 283 firmware

It does'n matter what ever the firmware you are using or what ever the baseband you are using ....... you need to use kernel from 283 firmware only for low battery drains ..............

i attached kernel from global generic wold 283 firmware also...

How to flash different Kernels

1) connect your phone into fast boot

2) open cmd

3) fastboot devices
(write this command and enter it to check your phone is connected in
fastboot or not)

4) then write this and enter

fastboot flash boot kernel.sin

Done ..........

remember to copy kernel .sin file in that folder from where you are going to launch cmd

=============================================================================================================

I have done this already and my ARC S works completely fine.

This how I have done it

-----------------------------------------------------------------------------

Requirements:

LT18i_4.0.2.A.0.58(2.3.4)_HK firmware (Download from here)
The Kernel from .283 (Download the KERNEL here)
Flash Tool ( Download from here)
WinZip/Winrar or any other similar software.

Steps

---------------------------------------------------------------------------------------------------------------------------------------------------------

Step 1: Download the LT18i_4.0.2.A.0.58 (2.3.4) _HK firmware

Unzip the firmware *.ftf file using WinZip or Winrar.
You will get a folder like this.

Step 2: Download the Kernel file

Unzip the file
You will get a file named “Kernel.sin

Step 3: Copy the “Kernel.sin” file

Paste the file to the firmware (LT18i_4.0.2.A.0.58 (2.3.4) _HK) folder and replace it.

NOW OPEN FLASH TOOL FOLDER. YOU SHOULD SEE FIVE FOLDERS WITHIN IT.

Step 4: Copy the LT18i_4.0.2.A.0.58 (2.3.4) _HK folder

Step 5: Paste the folder within firmwares folder

Step 5: Click on Flash Tool .exe

Click on Advanced from the menu
Select bundle creation

Step 6: Click “select source folder” (click on the doted button)

Step 7: Select the folder that you have copied in Flash Tool/ firmwares folder (LT18i_4.0.2.A.0.58 (2.3.4)

Step 8: You will get all the file list on the left side

Step 9: Select all file and click on the “Right Arrow” button.

All files should be now at right side.

Step 10: Put anything in this 3 boxes (doesn’t really matter)

I have put following

Device: LT18i
Version: 0.58_283
Branding: Stock SE

Step 11: Click OK and wait.

Step 12: When you will see the "Finished bundle creation" message, then the firmware is ready.

Step 13: Check the Flash Tool/firmwares folder. You should get your new firmware “LT18i_0.58_283_Stock SE.ftf” file there.

IF you DO, then just flash your device with this firmware.

All done.

**Important**:

I am not responsible if anything goes wrong, so proceed carefully, do not miss any step.
I have tested this kernel combination with both 0.42 & 0.58 firmware and it works fine in ARC S.
0.62 firmware (didn’t worked for me)
You can easily root this firmware using the zergRush method.

Message was edited by: Auni

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

uliwooly-wooly — Tue, 27 Dec 2011 20:58:04 GMT

Excellent!

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Auni — Wed, 28 Dec 2011 08:13:03 GMT

I am using 58 firmware with .283 stock kernel.

1. You can use the above “command prompt” method to change kernel

2. You can flash the kernel using the Flash tool using fast boot

3. You can combine the .283 kernel & .58 firmware and create a new firmware. Then flash your phone with this new firmware.

I followed the 3rd step.

My ARC S giving great results after flashing with this.

Notes:

Let the MOD and Experts try this first & comment, then others should try.
I will not be responsible if you damaged your phone by trying this.
I am not an expert but I still try everything with my device, b‘cos that’s the fun of using Android, right?
You can also root your device using zergRush method after flashing. (No problem)

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

uliwooly-wooly — Wed, 28 Dec 2011 08:24:58 GMT

I'd added a pre-rooted update

Arc/S LT15i/a -18i/a 2.3.4 4.0.2.A.0.62 (pre-rooted version too)

http://talk.sonyericsson.com/message/141138#141138

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Auni — Wed, 28 Dec 2011 08:49:01 GMT

does .62 version works well with .283 firmware?

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

uliwooly-wooly — Wed, 28 Dec 2011 09:10:18 GMT

It loops but I'll keep trying

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

slimshaddy — Wed, 28 Dec 2011 09:15:42 GMT

everything gone over my head

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Wed, 28 Dec 2011 10:17:04 GMT

mm, you mean that works with Arc S without any problem? That's great!

I have a LT18i with .42 version. my Arc's battery sometimes really disappoint me, bust still i wait for the final result. keep up.

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Auni — Wed, 28 Dec 2011 16:11:00 GMT

After using this combined Firmware and Kernel, following is the result on battery performance.

After 8 hours of normal use, Still 85% battery left. In this whole time my display was set on 40%.

If see closely that, the phone signal was also quite weak for sometimes, so there was some pressure on the battery as well. Still 85% left.:smileyhappy:

Previously after same amount use I had 65-70 % battery left max.

So the above technique works for me.:smileyhappy:

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

slimshaddy — Wed, 28 Dec 2011 17:38:41 GMT

nah , its normal for me...

i get somewhat same battery without doing this all

moreover , your phone was not much awake \ screen on..

but if you believe it worked then who am i to say..

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Auni — Wed, 28 Dec 2011 17:48:28 GMT

I wud post detailed shot soon,

I just used the device after update yesterday. Let's give it a heavy load then see.

but trust me it is giving good output to me, otherwise i wudn't have uploaded the whole process:smileyhappy:

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

slimshaddy — Thu, 29 Dec 2011 05:46:36 GMT

like i said if you see results then who am i to say

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Auni — Thu, 29 Dec 2011 12:53:23 GMT

Results after using the Kernel

This is what i got after 16 hours of use, 20% of battery left.
App used, Video player, Pdf Reader, Asphalt 6 HD, Quick Office, Market, Music and few more.

***The most IMPORTANT thing is, that the display was on for 5 hours @ 35-40% brightness level. This is a gain for me, With the earlier kernel, i used to get maximum 3hours of display time, with the same amount brightness level set.***

Another Benchmark is here. Please find this thread.

http://talk.sonyericsson.com/thread/28996

In this thread I have tested ARC S HD video playback capability. And the result was 300 mins playback with fully charged battery.

Now, with the new kernel, ARC S gave me 354 mins of HD video playback.:smileyhappy:

That's another good find for me.

Still results may be not same for all. Actually I am getting better battery back up, so I shared.

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

slimshaddy — Thu, 29 Dec 2011 12:56:41 GMT

wow great

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Thu, 05 Jan 2012 04:02:08 GMT

Help me, I did all step follow Auni but

Build Number is change 4.0.2.A.0.42 => 4.0.2.A.0.58

it's Ok

but

Kernel version still old my kernel

2.6.32.9-perf

SEMCUser@SEMCHost #1

why not change kernel to .283 ????????????????????????

and Model Name is change LT18i => LT15i ????????????

Error ?????????

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Auni — Thu, 05 Jan 2012 18:01:09 GMT

** My Kernel is also the same, even after i tried the above process. But as I mentioned above, that i am seeing changes in battery life.

*** Model No. LT18i to LT15i should not be changed if you do the process correctly.

This is the screenshots of my device

Did u downloaded the 0.58 firmware from the above given source, then it should work fine. Atleast it worked fine for me.

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Fri, 06 Jan 2012 04:19:16 GMT

555+ That's Alright because I just misstake for download Firmware i just have seen LT15i_0.58

I will try again

Thank You very much Auni

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

uliwooly-wooly — Fri, 06 Jan 2012 04:23:57 GMT

Xperia Arc LT15i/a & LT18i/a 2.3.4 4.0.2.A.0.62

http://talk.sonyericsson.com/thread/29197

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Fri, 06 Jan 2012 14:43:04 GMT

Ok, I same you(Model LT18i:smileyhappy:) but when i press *#*#7378423#*#* and check Software info

that's picture ..........

Phone Software Version 4.0.1.A.0.283

File System 4.0.2.A.0.5.8

but i receive notification bar for Update Software new version(:smileyconfused: i try to connect PC Companion on my computer then it's same result software want to update) i think about Phone Software Version is old? Yes or No? if you say yes, i ask to Close notification update? but You say No ,then What should i do:smileyconfused:? i should Update Software on Sony Ericsson PC Companion 2.0,right? and the last question i suspect "Kernel version" = "Phone Software Version",right ?

Thank you very much

Roller

Re: ARC/ARC S Battery drain problem Solved Finally !!!!!

Auni — Fri, 06 Jan 2012 16:24:21 GMT

No. 1: The phone is asking for an update because you are using an old "KERNEL". If you update now, it will revert back your kernel version 0.58 stock. So again the battery drain problem might occur. Your firmware version is 0.58, so it's fine, do not worry about the kernel.

So it is upto you, using an old kernel won't affect your phone function.

No. 2: After pressing this *#*#7378423#*#* check model info and if it says LT18i, then it should be fine.

No. 3: If you want the latest firmware update 0.62, then it is mentioned above @ uliwooly-wooly post.

Here's the link again.

http://talk.sonyericsson.com/thread/29197

The update process is well explained there. Please check.

No. 4: The latest update of 0.62 firmware may not be able to combined with the old kernel. It didn't worked for me. So I stick with the old kernel.

**** I have checked, the above kernel combination trick works only with 0.42/0.58 firmware version now.