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zdzihu

Retired Recognized Developer
Sep 28, 2008
651
5,141
So here's simple root package that is supposed to work for Arc. It's not tested as I don't have the device myself - just made it for my buddy who got the phone few hours ago and successfully unlocked.

I modified the original initrd to provide the root shell. Use it to copy su binary file + install Superuser.apk to achieve root.

This is only for people who understand what they are doing!
If you don't... just wait for some tutorials etc!


1. Unlock the bootloader
2. Download the boot.img http://www.mediafire.com/?il5sb1n45fw5dxa
3. fastboot flash boot boot.img
4. adb shell -> remount system rw -> push su into /system/bin
5. Install Superuser.apk

Cheers,
z
 
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commodoor

Senior Member
Mar 8, 2008
921
68
Venlo
Great to here this. I'm not behind my PC to test this so it will be tomorrow. Like to see confirmation that it works

Sent from my LT15i using XDA Premium App
 

Ivymike52

Senior Member
May 10, 2010
277
26
Marrara
So here's simple root package that is supposed to work for Arc. It's not tested as I don't have the device myself - just made it for my buddy who got the phone few hours ago and successfully unlocked.

I modified the original initrd to provide the root shell. Use it to copy su binary file + install Superuser.apk to achieve root.

This is only for people who understand what they are doing!
If you don't... just wait for some tutorials etc!


1. Unlock the bootloader
2. Download the boot.img http://www.mediafire.com/?il5sb1n45fw5dxa
3. fastboot flash boot boot.img
4. adb shell -> remount system rw -> push su into /system/bin
5. Install Superuser.apk

Cheers,
z
After this procedure the device is dead! :eek:
 

piflechien

Senior Member
Dec 18, 2008
203
37
me too dead.
SEUS won't reflash the device once it's unlocked :-( so unable to restore the phone !

Does anyone have the original boot.img ... ?
 

Meister_Li

Senior Member
Jun 26, 2010
298
37
Cork
So here's simple root package that is supposed to work for Arc. It's not tested as I don't have the device myself - just made it for my buddy who got the phone few hours ago and successfully unlocked.

I modified the original initrd to provide the root shell. Use it to copy su binary file + install Superuser.apk to achieve root.

This is only for people who understand what they are doing!
If you don't... just wait for some tutorials etc!


1. Unlock the bootloader
2. Download the boot.img http://www.mediafire.com/?il5sb1n45fw5dxa
3. fastboot flash boot boot.img
4. adb shell -> remount system rw -> push su into /system/bin
5. Install Superuser.apk

Cheers,
z

Thanks for your efforts so far. I'm on an xperia play here and I'd like to test this as well. ;) Can you maybe tell me how to dump the needed files to create such an image?
 

Rithina

Senior Member
Nov 9, 2008
363
40
OnePlus 9 Pro
OnePlus 10 Pro
Thanks zdzihu!

Can i do a fastboot recovery instead to test if the boot.img works for my Arc?

So here's simple root package that is supposed to work for Arc. It's not tested as I don't have the device myself - just made it for my buddy who got the phone few hours ago and successfully unlocked.

I modified the original initrd to provide the root shell. Use it to copy su binary file + install Superuser.apk to achieve root.

This is only for people who understand what they are doing!
If you don't... just wait for some tutorials etc!


1. Unlock the bootloader
2. Download the boot.img http://www.mediafire.com/?il5sb1n45fw5dxa
3. fastboot flash boot boot.img
4. adb shell -> remount system rw -> push su into /system/bin
5. Install Superuser.apk

Cheers,
z
 

zdzihu

Retired Recognized Developer
Sep 28, 2008
651
5,141
As you probably noticed the previous boot.img didn't work... Here's a new one - that should work fine. Only thing changed vs stock image is default.prop - nothing to brick your phone :)

Again, flash via fastboot

http://www.mediafire.com/?sp9b3d867eccffm


Cheers,
z
 
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  • 2
    So here's simple root package that is supposed to work for Arc. It's not tested as I don't have the device myself - just made it for my buddy who got the phone few hours ago and successfully unlocked.

    I modified the original initrd to provide the root shell. Use it to copy su binary file + install Superuser.apk to achieve root.

    This is only for people who understand what they are doing!
    If you don't... just wait for some tutorials etc!


    1. Unlock the bootloader
    2. Download the boot.img http://www.mediafire.com/?il5sb1n45fw5dxa
    3. fastboot flash boot boot.img
    4. adb shell -> remount system rw -> push su into /system/bin
    5. Install Superuser.apk

    Cheers,
    z
    1
    Sure:
    PHP:
    rootfs / rootfs ro,relatime 0 0
    tmpfs /dev tmpfs rw,relatime,mode=755 0 0
    devpts /dev/pts devpts rw,relatime,mode=600 0 0
    proc /proc proc rw,relatime 0 0
    sysfs /sys sysfs rw,relatime 0 0
    tmpfs /mnt/asec tmpfs rw,relatime,mode=755,gid=1000 0 0
    tmpfs /mnt/obb tmpfs rw,relatime,mode=755,gid=1000 0 0
    /dev/block/mtdblock0 /system yaffs2 ro,relatime 0 0
    /dev/block/mtdblock3 /data yaffs2 rw,nosuid,nodev,relatime 0 0
    /dev/block/mtdblock2 /cache yaffs2 rw,nosuid,nodev,relatime 0 0
    /dev/block/mtdblock1 /data/idd yaffs2 rw,nosuid,nodev,relatime 0 0
    /sys/kernel/debug /sys/kernel/debug debugfs rw,relatime 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
    /dev/block/vold/179:1 /mnt/secure/asec 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
    tmpfs /mnt/sdcard/.android_secure tmpfs ro,relatime,size=0k,mode=000 0 0
    /dev/block/dm-0 /mnt/asec/com.keramidas.TitaniumBackup-1 vfat ro,dirsync,nosuid,nodev,relatime,uid=1000,fmask=0222,dmask=0222,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0
    /dev/block/dm-1 /mnt/asec/com.xeudoxus.privacy.blocker-1 vfat ro,dirsync,nosuid,nodev,relatime,uid=1000,fmask=0222,dmask=0222,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0
    /dev/block/dm-2 /mnt/asec/com.dropbox.android-1 vfat ro,dirsync,nosuid,nodev,relatime,uid=1000,fmask=0222,dmask=0222,codepage=cp437,iocharset=iso8859-1,shortname=mixed,utf8,errors=remount-ro 0 0

    great so the system MTD block is at /dev/block/mtdblock0

    now try this in adb shell:

    Code:
    mount -o remount,rw -t yaffs2 /dev/block/mtdblock0 /system
    --OR--
    Code:
    mount -o remount,rw,relatime -t yaffs2 /dev/block/mtdblock0 /system

    and if u dont get any error then post output of:
    Code:
    adb shell "mount"

    BTW: how come u have "com.keramidas.TitaniumBackup-1"??? is ur device rooted yet? or were u just trying out apps ;) ?
    1
    I'm sure it will come but what I didn't understand what it makes harder to root it after the bootloader got unlocked.

    We will keep doing try and fail till we succeed. Thanks for the help

    Sent from my LT15i using XDA Premium App

    rooting and bootloader cracking (not needed on Arc) are different things

    rooting involves using an exploit (uptill now psneuter/rageagainstthecage) to gain access to root shell and then install superuser binaries...

    google mostly patches the codes in android for these exploits and so new versions of android are harder to root because newer exploits need to be found...