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  1. #101  
    ToddShroats's Avatar

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    Grom

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    If I rooted and installed custom recovery after upgraded to VC and I have a nand backup of stock rom, Do I need to go back to V8 -V9? Or can I flash stock recovery image and unroot. Will that work or do I have to go through your 29 step proses?
  2. #102  

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    If you have a stock VC NANDROID backup you can restore that from your Custom Recovery. After that flash the stock V9 recovery from an adb shell session to the Custom Recovery. That would be virtually the same end result as going through all the steps.
    [How-To] Rooting LS670ZVH
    Installed ZVH by mistake? Use simple update.zip to revert to ZVD / Froyo
  3. #103  

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    do you put recovery kernel and flash_image. in the root of sd card?
  4. #104  
    ToddShroats's Avatar

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    Grom

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    I believe that is what you do. You put the both images on the root of your sd/card and the use the adb shell to push them into your phone. Or at least the flash_image for stock recovery.
    My question is after returning to V9 version should I then do the lg update to bring my phone up to VC version? I don't plan on changing but just encase I want to understand the process.
  5. #105  

    Default

    I'm confused what you are trying to accomplish. Your earlier post mentioned you were already on VC, rooted, and installed a custom recovery image.

    Are you trying to go back to stock or are you trying to stay at VC and be rooted?
    [How-To] Rooting LS670ZVH
    Installed ZVH by mistake? Use simple update.zip to revert to ZVD / Froyo
  6. #106  
    ToddShroats's Avatar

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    Grom

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    I have the vc update and rooted, I want to make sure what I would have to do to go back to where I was before rooting. I am assuming something happens to my phone and I need to go back to stock to take it into the store. But wanted to know what I should do if I wanted to reroot?
  7. #107  

    Default

    Assuming you are just running the stock VC OS, with the exception of being rooted.

    To get back to where you were before rooting.

    Remove "su" and "busybox" (and possibly "flash_image") from /system/bin
    Remove "SuperUser.apk" from /system/app

    Get rid of your Custom Recovery by flashing the stock V9 recovery image.

    Wipe data/cache from Recovery.

    To root after you get the phone back from Sprint (assuming they give you back the same phone), just follow the directions in the first post.
    [How-To] Rooting LS670ZVH
    Installed ZVH by mistake? Use simple update.zip to revert to ZVD / Froyo
  8. #108  
    ToddShroats's Avatar

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    Grom

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    thanks for the info.
  9. #109  
    RoscoePColtrane's Avatar

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    stock

    Default WOW... this was a tedious process

    I am new to android coming from webos, and I am amazed at how much work this is to remove the rom... It was a piece of cake on the Pre, but sprint and Hp are forcing me to upgrade now and I have an Optimus S... I am taking it back tomorrow and getting the EVO and not worry about kernels and the such... thanks so much for the help in doing this... was a great learning experience for me
  10. #110  

    Default

    My optimus s hasn't been rooted before but I installed the update. Will this still work even tho in ur instructions it says ur guessing we have a previously rooted android?
  11. #111  

    Default

    Quote Originally Posted by monster99105 View Post
    My optimus s hasn't been rooted before but I installed the update. Will this still work even tho in ur instructions it says ur guessing we have a previously rooted android?
    If you installed the OTA VC update, then these instructions won't work as is because you can't root an OTA updated VC unit and the instructions depend on you being able to root.

    If you want to root, you'll need to revert. Instructions are in my signature.
    [How-To] Rooting LS670ZVH
    Installed ZVH by mistake? Use simple update.zip to revert to ZVD / Froyo
  12. #112  

    Default

    does this need to be done if im flashing my optimus s to v9 so i can root it? it hasent EVER been rooted b4
  13. #113  

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    Quote Originally Posted by monster99105 View Post
    does this need to be done if im flashing my optimus s to v9 so i can root it? it hasent EVER been rooted b4
    No, you don't need to go through all this if you want to be rooted with V9. After you have V9 installed, you can just use z4root.

    However, if you accepted the VC OTA update, and you eventually want to be rooted with VC, then you should at least restore the V9 Recovery partition (steps 26-30 of first post)
    [How-To] Rooting LS670ZVH
    Installed ZVH by mistake? Use simple update.zip to revert to ZVD / Froyo
  14. #114  
    psaurus81's Avatar

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    Drew's CM7

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    I'm totally lost. I downloaded the files from the OP to my computer, now what? Do they go on the root of the SD card? Do they go into the platform-tools folder in the Android SDK? Help!
  15. #115  

    Default

    Quote Originally Posted by psaurus81 View Post
    I'm totally lost. I downloaded the files from the OP to my computer, now what? Do they go on the root of the SD card? Do they go into the platform-tools folder in the Android SDK? Help!
    They can go wherever you want them to go, as you'll be using adb to push them to your phone. I put them in C:\android, but that's just because I didn't feel like navigating all the way to my Desktop folder in the command prompt or typing the absolute path when pushing the files.

    I just did this this morning...followed the steps exactly and worked like a charm.
  16. #116  
    cmyasika1's Avatar

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    ThunderRom V1.5/[OC Kerne

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    1) Root the Optimus. I assume you are already rooted if you are needing a total system restore.

    2) Download GNM's v1.1.0 Recovery Kernel. Please use this recovery and no other as this is the only one I have tested. Use of another recovery kernel may brick your phone! Your recovery is going to be wiped with LG's recovery anyway, so don't risk it!.

    3) Download flash_image.

    4) Connect your optimus to your PC and prepare for ADB usage.

    5) Unzip the recovery kernel and flash_image.

    6) adb push recovery-RA-GNM-thunderc-s-1.1.0.img /sdcard/
    7) adb push flash_image /data/local/tmp
    8) adb shell
    9) su
    10) chmod 755 /data/local/tmp/flash_image
    11) /data/local/tmp/flash_image recovery /sdcard/recovery-RA-GNM-thunderc-s-1.1.0.img
    12) reboot recovery

    Now you should be in GNM's recovery with aqua-colored text. The controls are: Up = VolUP, Down = VolDown, Back = Back, Select = Menu (right of home).

    13) Go down to "USB-MS Toggle"
    14) Select "USB-MS Toggle SDCard"
    15) Download my Stock V8 Nandroid Dump
    16) Unzip it into the root of the USB Device/SDCard
    17) Safely remove the USB device using your PC OS.
    18) Press menu to disable USB-MS Toggle.
    19) Press back.
    20) Select "Backup/Restore".
    21) Select "Nand restore".
    22) Select "mem=477M".
    23) Select "BCDMRS12-20101122-1915"
    24) Press menu to confirm.
    25) When the process is complete, DO NOT REBOOT. Nandroid does NOT flash recovery by default, to protect from losing your custom recovery. In this case we WANT to lose it, otherwise we won't be stock, and OTA updates will not work. Therefore we must...
    26) adb shell
    27) mount /sdcard (if this throws an error about "device or resource busy", just ignore it)
    28) cd /sdcard/nandroid/mem=477M/BCDMRS12-20101122-1915
    29) flash_image recovery recovery.img
    30) reboot

    Now you are back to V8 stock! Enjoy!

    To upgrade to V9:
    Due to the kernel being from V9, the phone thinks the firmware is up to date, so you will NOT be prompted for the OTA update. However, since I have a copy of it, you can manually install it. Heres how:

    1) Plug phone into PC
    2) Enable USB Mass Storage
    3) Download the V8 to V9 update and place it in the root of the USB Device/SDCard as "update.zip" (renaming it is important!)
    4) run the following from cmd prompt: "adb reboot recovery"
    5) You are now at LG's dark-blue recovery screen (should only be 4 options, if not STOP HERE)

    6) Select the option with "update.zip"
    7) follow instructions on screen (VERY IMPORTANT)

    You now have V9 Radio/Baseband and V9 stock update. You can delete the update.zip from your SDCard when you are back into Android.

    To upgrade from V9 to VC:
    1) Use the LG Updater.

    You now have VC Radio/Baseband and VC stock update. You can delete the update.zip from your SDCard when you are back into android.

    To re-root on VC, see this thread.[/QUOTE]

    I have a dumb question. Why is it that when I enter the command "flash_image recovery recovery.img", I get "flash_image: permission denied"
    I don't understand why? I followed these steps with my optimus and it was successful. I am now trying with my wife's and I can't flash the stock recovery.
  17. #117  
    cordell's Avatar

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    My phone was restored to V8, the did the update.zip to V9. Now I am trying to use LG Updater and it says I am up to date. Did they pull the update??
  18. #118  

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    Quote Originally Posted by cmyasika1 View Post
    I have a dumb question. Why is it that when I enter the command "flash_image recovery recovery.img", I get "flash_image: permission denied"
    I don't understand why? I followed these steps with my optimus and it was successful. I am now trying with my wife's and I can't flash the stock recovery.
    do you have root privileges ("#" prompt in adb shell) when you issue the flash_image command
    [How-To] Rooting LS670ZVH
    Installed ZVH by mistake? Use simple update.zip to revert to ZVD / Froyo
  19. #119  
    xtacocorex's Avatar

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    DanteRom v2

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    Quote Originally Posted by cordell View Post
    My phone was restored to V8, the did the update.zip to V9. Now I am trying to use LG Updater and it says I am up to date. Did they pull the update??
    I had that too, but it wanted to re-install the USB drivers. Once it did that, I was able to update to VC.
  20. #120  
    cordell's Avatar

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    Quote Originally Posted by xtacocorex View Post
    I had that too, but it wanted to re-install the USB drivers. Once it did that, I was able to update to VC.
    I just tried reinstalling drivers and it didnt work for me, thanks.
  21. #121  
    cmyasika1's Avatar

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    ThunderRom V1.5/[OC Kerne

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    Quote Originally Posted by sfhub View Post
    do you have root privileges ("#" prompt in adb shell) when you issue the flash_image command
    Yes I do.
  22. #122  

    Default

    Does flash_image have execute permissions set?
    [How-To] Rooting LS670ZVH
    Installed ZVH by mistake? Use simple update.zip to revert to ZVD / Froyo
  23. #123  
    basketthis's Avatar

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    AOSP!!!

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    Quote Originally Posted by basketthis View Post
    Good to know it's here if anyone ever needs it
    It's here as I stated. And I need it. Thanks again!
  24. #124  

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    I'm having kind of the same problem... when I enter "adb shell" I get the pound sign. But every time I try to do "su" it says "not found," and when I try "chmod 755 ...." it says "not a directory." Any ideas?
  25. #125  

    Default Question

    What if you are not able to get your phone out of Safe mode to root it? Im not able to root the phone or do a full reset as described. I have tryed the power button and home button thing to get to the menu and reboot normally as well, nothing i have done has worked yet. In safe mode the file system is readonly and without it rooted, I get permission denied on trying to root it or run any of the core functions. If you know of a solution for this, please let me know.
    Thanks.

    Phone: LG Optimus S - LS670ZVC
    Android 2.2.1
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