temporary LG L9 (P760 and P769) rooting/Q&A/accessories thread

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Zurh01

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Apr 3, 2016
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I recently found two programs to gain temporary root without the use of a computer. They both worked but I am curious to know if anyone else has tried this method or knows anything more about them.

The two programs in question are IRoot(vroot) and Kingo Root. Any information is greatly appreciated.
 

lecorbusier

Senior Member
Nov 28, 2012
1,110
120
Samsung Galaxy S5
LG G6
I think you cannot root or install a recovery on the L9, no matter which comes first, without a PC. Kingo Root(the Windows version, not the app, if one exists) is good to root the stock rom, which you have to flash after the L9 got bricked. I would prefer flashing the revovery next, via PC, then flash the custom rom or a SuperSU zip with it, but as Fastboot doesn't seem to work with a Windows newer than Seven, it's Kingo Root via PC first, and next to install the recovery with an app like Flashify. Rooting could be done with ADB commands and SuperSu, but that's only worth it, if you want to keep that rom(like stock), as SuperSU is certainly a better SU tool than the one from KingoRoot.
 
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Zurh01

New member
Apr 3, 2016
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My mistake

I think you cannot root or install a recovery on the L9, no matter which comes first, without a PC. Kingo Root(the Windows version, not the app, if one exists) is good to root the stock rom, which you have to flash after the L9 got bricked. I would prefer flashing the revovery next, via PC, then flash the custom rom or a SuperSU zip with it, but as Fastboot doesn't seem to work with a Windows newer than Seven, it's Kingo Root via PC first, and next to install the recovery with an app like Flashify. Rooting could be done with ADB commands and SuperSu, but that's only worth it, if you want to keep that rom(like stock), as SuperSU is certainly a better SU tool than the one from KingoRoot.

My mistake. These were apks I was able to find right from the website. I still use the stock rom as I am farely new to the adb commands and my phone is basically my pc.
*:( 2gb.
Funny story of myne, had soft bricked (security error) my phone playing around a little to much with flashify. Thank goodness for the cloud. Long story short took me almost a month to get ahold of a laptop to fix it. So this was my next best solution to get rid of the bloatware, And have a litttle bit of fun learning some of the root apps available in the app store.
Im making my way up to adb and fastboot im just a bit on edge as my phone is holding the future of my entertainment.
I was just curious as these apks where unknown sources and after much research and not exactly trusting the software I did it anyways figuring what the hay. They have appeared to do the job and my l9 p769 is bloatish free.
 

lecorbusier

Senior Member
Nov 28, 2012
1,110
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Samsung Galaxy S5
LG G6
The very first step is to unlock the bootloader(the security error?), which I did once three years ago, I think also via PC. The final batch of L9s have encrypted bootloaders, which are harder or not at all to unlock.
 

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  • 31
    This is the second edit. Thanks to zanakorus33 for providing the tip for modification of the file. Since .bat is not allowed to attach, I put it up as text file.
    The following method is applied to both international version (P760) and T-Mobile US version (P769).

    Prerequisite:
    • You must install LG United Driver (simply change the phone USB mode to LG mode and install PC Suite).
    • You must enable USB debug mode (in developers option) and "unknown sources" (in security option).
      [*]You MUST disable Lookout Security (menu->applications->downloaded) and clear its data.
    • Download and unpack Root and Restore.
      http://forum.xda-developers.com/showthread.php?t=1886460

    Are you ready? Here it goes:
    • Hook up your phone and choose USB LG mode.
    • Run Root and Restore->Runme.bat.
    • (7th edit:) Download attached modified RunMe_L9.txt, rename the extension to .bat, put the file to where the original "RunMe.bat" is, and run it as "administrator" (right click the .bat file, and run as Administrator).
    • You will be prompted to restore data. Look at the phone screen and choose "restore my data" when prompted. Press a key when restoration has finished.
    • The phone will reboot. Check the terminal window and check for "(are you rooted?)" error. If there's no error, check the phone to see "Android is updating". If so, the phone should be rooted.
    • Download and install busybox and SuperSU.
    • Done.
    Happy Rooting! :victory:

    First edit: uploaded modified script file (added pause command on running restore part. Press any button after the restore has finished on the phone). Change extension from .txt to .bat (you can review the whole script before renaming to examine). Put the modified file to where RunMe.bat is and run it.
    Please give me feedback of this script file.

    Thanks zanakorus33 for giving tips for modification

    Fourth edit:
    After rooting, install Voodoo Root Keeper so you can preserve root after update.

    sixth edit:
    Alrighty. I went ahead thanks to your vote of confidence. It all worked out ok for me.

    Can we add to the instructions:
    1. Run the batch file as Administrator
    2. When it asks for Encryption key, just press Restore.
    3. This will work on 10E update.
    6
    SUBFORUM for LG.

    Originally Posted by sv________
    Can you do me a favor and send me all relevant threads for L9 and I'll make the new forum? We hate have stuff scattered about and would much rather give the L9 a home here!
    Above quote is from my PM.

    Trust me all. After the instructions of O2X Developers due to my continuous follow up, I literally found an Admin who can make SUBFORUM for LG L9 (p760, p765, p768, p769, etc) and requested him to make one as soon as possible. He replied (wow, finally) and asked me the list of links of all L9 developement related threads and posts which are scattered at various place. I quickly made a small list and sent him. Lets hope he will create one soon. Thanks in advance to Admin.

    Pray and wish us all GOODLUCK. :)
    4
    Basic overclock instructcions

    Any chance someone can post a step by step how to for dummies (noobs) to overclock the P769? Please please please!

    Sent from my LG-P769 using xda app-developers app


    1.) Root your device.

    2.) Download to your device "overclock.zip" from this thread:

    http://forum.xda-developers.com/showthread.php?t=1961989

    3.) Install "AndroZip File Manager" from the Play store.

    4.) Run AndroZip and browse to overclock.zip. (Probably /mnt/sdcard/Download .)

    5.) tap on the file "overclock.zip" and select "Extract file here".
    (A new directory named "overclock" is created)

    6.) Install "ES File Explorer File Manager" from the Play store.

    7.) Run ES File Explorer and press your "menu" button then select "settings".

    8.) Change these settings:

    Home Directory = /

    Root settings --> Check all boxes

    9.) Press the "back" button until the app exits.

    10.) Run ES File Explorer again.
    (Now your root partition "/" should be mounted with read/write permissions.

    11.) Browse to the overclock directory. (Probably /mnt/sdcard/Download/overclock/ .)

    12.) Long press on the cpu_control.ko file and a menu should open. Select "copy".

    13.) Browse to the /system/lib/modules/ directory .

    14.) Press "menu" button and select "Operations" then select "Paste" .

    15.) Long press on the cpu_control.ko file and a menu should open. Select "Properties".

    16.) Press "Change" and check the boxes like this:

    User: read write
    Group: read
    Other: read

    17.) Perform steps 12-17 on the symsearch.ko file which is also in the overclock directory.

    18.) Install "Rom Toolbox Lite" from the Play store.

    19.) Run ROM Toolbox Lite and select "Scripter".

    20.) Press the "+" symbol in the top right corner and select "Create" to add the overclock script.

    21.) Name it "overclock" or whaterver you wish.

    22.) In the "Commands:" field enter this:

    insmod /system/lib/modules/symsearch.ko
    insmod /system/lib/modules/cpu_control.ko

    echo 0 300 980 > /proc/cpu_control/tweak_cpu
    echo 1 600 1200 > /proc/cpu_control/tweak_cpu
    echo 2 800 1300 > /proc/cpu_control/tweak_cpu
    echo 3 1200 1370 > /proc/cpu_control/tweak_cpu

    23.) Your phone will overclock to 1.2Ghz.
    If you wish to overclock higer you can try changing 1200 in the last line to 1300 for 1.3Ghz.

    24.) Press the floppy disk in the top right corner to save the script.

    25.) Press the overclock script and a menu will open. Select "Run Script".

    If everything worked you should see an "exit valut:0" message.
    If you run the script again you will see the same value but with a warning message.
    This is normal since the modules are already loaded.

    26.) You can load a cpu monitoring app to see if the overclocking works or just create another script that displays cpu clock info.
    Here is the command for that script:

    cat /proc/cpu_control/opp_table_current

    27.) After making sure your device is stable you can have the overclock script run automatically at boot.

    Press the "overclock" script and a menu will open.
    Press "Set at boot"
    Reboot the device and you will see a notification that the script ran in the notification area of the device at top.

    All credits go to iodak and the thread created here: http://forum.xda-developers.com/showthread.php?t=1961989
    4
    I never Buy A Device If There Are Very Less Users.
    But Here Users Are Very Active :D
    Yup,I have knowledge required to build/port roms,though I work slow,but I work efficiently ;)
    It would Be Nice To See A Separate Sub-Forum For This Device :victory:
    So Far Everything Is Positive about this device.
    So Far I Have Contributed For Xperia P|U|Sola|Go|Tipo And MMX Canvas 2:cowboy:
    Regards,
    acervenky,
    XPT
    4
    I posted recovery.img and boot.img and their content in the official page Facebook of ClockworkMod ;) hope they see it and do something :laugh: