[Q] How to root Galaxy Ace 2 i8160?

dhvenus · Jun 16, 2012

Hello antsm,

Ok, I will try it, but please explian us a little bit more exactly the rooting procedure.
I don't understand the procedure in code frame.
Thank you!

yod123 · Jun 17, 2012

antsm! I`ll try, if you prove me that odin can flash our phone corcetly. If not, I'll just write an instruction.

Tatek · Jun 18, 2012

Hi!

Ive tried but no success.

g:\Program Files\Android Samsung\I8160>adb remount
remount failed: Operation not permitted

g:\Program Files\Android Samsung\I8160>adb shell chmod 755 /system/xbin
Unable to chmod /system/xbin: Read-only file system

mcguolo · Jun 18, 2012

Tatek, I had the same problem with my mini pro. Try from the shell (adb shell) to remount the system partition with

Code:

mount -o remount,rw /dev/(your-system-partition-device) /system

You can find your system partition by typing 'mount' in the shell (and searching for the line with /system in it). You should see something like this:

Code:

rootfs / rootfs ro,noatime 0 0
tmpfs /dev tmpfs rw,noatime,mode=755 0 0
devpts /dev/pts devpts rw,noatime,mode=600 0 0
proc /proc proc rw,noatime 0 0
sysfs /sys sysfs rw,noatime 0 0
none /acct cgroup rw,relatime,cpuacct 0 0
tmpfs /mnt/asec tmpfs rw,noatime,mode=755,gid=1000 0 0
tmpfs /mnt/obb tmpfs rw,noatime,mode=755,gid=1000 0 0
/dev/stl14 /cache rfs rw,nosuid,nodev,noatime,vfat,llw,check=no,gid/uid/rwx,iocharset=utf8 0 0
/dev/stl13 /data rfs rw,nosuid,nodev,noatime,vfat,llw,check=no,gid/uid/rwx,iocharset=utf8 0 0
/dev/[B]stl12[/B] [B]/system[/B] rfs ro,noatime,vfat,log_off,check=no,gid/uid/rwx,iocharset=utf8 0 0
none /dev/cpuctl cgroup rw,relatime,cpu 0 0
/dev/block/vold/179:2 /data/sdext2 ext2 rw,noatime,errors=continue 0 0
/dev/block/vold/179:1 /mnt/sdcard vfat rw,dirsync,nosuid,nodev,noexec,relatime,uid=1000,gid=1015,fmask=0702,dmask=0702,allow_utime=0020,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0

In this case the mount command should be:

Code:

mount -o remount,rw /dev/[B]stl12[/B] /system

Remember to remount back to read-only once you have done:

Code:

mount -o remount,[B]ro[/B] /dev/(your-system-partition-device) /system

Btw, thanks kyrillos, I am more and more found of this phone: the same gpu of sgs2, the same precessor of s advance, but a smaller screen (which is a plus to me!) with the same resolution of sgs2!

I'll keep an eye on it to replace my galaxy mini pro!

antsm · Jun 18, 2012

Tatek
What the phone answers on adb root command?
Please, look into a /default.prop file. Parameter ro.secure should be a 0.

What about a custom counter and a yellow triangle?

upd: Alright guys, it seems we need to patch an adbd binary. Since it ignores ro.secure flag and always starts with a limited permissions.
Just looked it with IDA and there are some interesting pieces of code.

yod123 · Jun 18, 2012

and what about this? That's the way people root i8150. They install that from samsung's recovery, and that's it.

antsm · Jun 18, 2012

yod123
Nothing dangerous at first sight. Just try and let us know.
But most likely you will get something like:

"E :signature verification failed"

Need to patch a recovery to bypass a Samsung's signature verification.

yod123 · Jun 19, 2012

antsm said:
But most likely you will get something like

Yes, you're right. Don't working, just tryed.

antsm · Jun 19, 2012

Good news: i have succesfully patched recovery to install unsigned packages. Anyway, initially we gonna use Odin to install a kernel with modified recovery.
After that just apply update.zip from recovery and have fun

Tested on my I9000, and most likely will work on I8160, since recovery binary almost the same for both phones.

Will share it soon.

dhvenus · Jun 19, 2012

Great!

antsm · Jun 19, 2012

Instruction:

1) Download and install SAMSUNG USB Drivers for Mobile Phones
http://xdaforums.com/showthread.php?p=11633550#post11633550

2) Copy update_su.zip to internal sdcard.

3) Switch off the phone and enter to download mode ("Vol Down + Home + Power").
Wait until the driver will be installed and Odin will recognize the phone!

4) Flash I8160XXLD8_ready_to_root_ANT.tar.md5 using Odin as PDA part.

5) Turn off the phone again and enter to recovery mode ("Vol Up + Home + Power").

6) Select "apply update from sdcard" and choose update_su.zip file

7) Reboot the phone

8) Got root?

Warning:You will lose your warranty. At least until we find a way to reset a custom flash counter.

xzero2 · Jun 20, 2012

This procedure can run on:

PDA I8160NELE1
CSC I8160HUILD2

Italy 3

Xzero2

antsm · Jun 20, 2012

xzero2 said:
This procedure can run on:

PDA I8160NELE1
CSC I8160HUILD2

Rather yes than no. But in the worst case you will need to reflash a firmware. Latest public available version is XXLD8 (April), but yours I8160NELE1 is a bit newer (May).

What is your kernel version? (see in Settings -> About phone)
For XXLD8 firmware it's:

Code:

2.6.35.7-I8160XXLD8-CL1100997

xzero2 · Jun 20, 2012

2.6.35.7-I8160NELE1-CL1109359dpi@DELL134#2

xzero2

casidus · Jun 20, 2012

I have the version: 2.6.35.7-I8160BGLE2-CL1112086
work on my mobile?

thanks for all

Bocko92 · Jun 20, 2012

My kernel version is 2.6.35.7-I8160XXLD8-CL1100997, will the root method work on my phone ? Anyone tried yet?

antsm · Jun 20, 2012

Bocko92, definetly yes. It will work.

casidus, xzero2, who knows... Eventually, it can't hardbrick your phone. But in case of any issues, the only available firmware to rollback is I8160XXLD8. If your phone is sim-locked, i don't know what will happen when you flash a non-carrier firmware on it.

upd: A custom flash counter is there:

pskmrc · Jun 21, 2012

root

Hi,

I tried this way to make root my i8160, and runs ok!!
I have :
PDA I8160BGLE2
CSC I8160XECLE2

From Spain

My question is:
I tried to overlock the cpu using SetCPU, but I can't increase the speed more tha 800 MHZ
Anyone knows how I can increase up to 1Ghz?

Thanks

Dynamo! · Jun 21, 2012

antsm said:
Instruction:

1) Download and install SAMSUNG USB Drivers for Mobile Phones
http://xdaforums.com/showthread.php?p=11633550#post11633550

2) Copy update_su.zip to internal sdcard.

3) Switch off the phone and enter to download mode ("Vol Down + Home + Power").
Wait until the driver will be installed and Odin will recognize the phone!

4) Flash I8160XXLD8_ready_to_root_ANT.tar.md5 using Odin as PDA part.

5) Turn off the phone again and enter to recovery mode ("Vol Up + Home + Power").

6) Select "apply update from sdcard" and choose update_su.zip file

7) Reboot the phone

8) Got root?

Warning:You will lose your warranty. At least until we find a way to reset a custom flash counter.

Tried it, got stuck in a boot loop. Any suggestions?

EDIT:

Ok, so managed to boot up with the custom kernal, but recovery mode won't find the update_su.zip file on the sd card.

kyrillos13 · Jun 21, 2012

pskmrc said:
Hi,

I tried this way to make root my i8160, and runs ok!!
I have :
PDA I8160BGLE2
CSC I8160XECLE2

From Spain

My question is:
I tried to overlock the cpu using SetCPU, but I can't increase the speed more tha 800 MHZ
Anyone knows how I can increase up to 1Ghz?

Thanks

Its probably "locked". We need a modified kernel that "unlock" higher frequencies. Maybe antsm is capable of doing it, if he buy this phone.

[Q] How to root Galaxy Ace 2 i8160?

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