[FIX] Updated by accident? Lost your Root? Downgrading Instructions

Who succesfully downgraded their Revolution?

  • Yes (Stock >> Upgraded Firmware >> Stock)

    Votes: 21 67.7%
  • Yes (Upgraded Firmware from Box >> Stock)

    Votes: 7 22.6%
  • No (Stock >> Upgraded Firmware >> Stock)

    Votes: 1 3.2%
  • No (Upgraded Firmware from Box >> Stock)

    Votes: 2 6.5%

  • Total voters
    31
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bucrepus

Member
Jun 17, 2008
6
0
HELP!!

Received OTA update yesterday 2.3.6. Was rooted, daughter clicked get update. Tried to go back....Tried this, Checked Hash for correct files. Followed instructions to the letter. No errors, process went smoothly, LGNPST said success and finished. Unplugged and restarted. Nadda. Boots to LG screen and then screen goes blank. Pulled battery / rebooted several times. I thought I could go through the process again, but LGNPST says phone is half booted, wait for full boot which never happens. How to recover??? My daughter is sick and mad with me.
 

bucrepus

Member
Jun 17, 2008
6
0
Update

Received OTA update yesterday 2.3.6. Was rooted, daughter clicked get update. Tried to go back....Tried this, Checked Hash for correct files. Followed instructions to the letter. No errors, process went smoothly, LGNPST said success and finished. Unplugged and restarted. Nadda. Boots to LG screen and then screen goes blank. Pulled battery / rebooted several times. I thought I could go through the process again, but LGNPST says phone is half booted, wait for full boot which never happens. How to recover??? My daughter is sick and mad with me.

While the screen was blank flashed V7. Boots into OS now but says no sim card is present, Master reset makes no dif. Says phone must have sim card to operate, Any ideas?

Thanks
 

Cybie257

Senior Member
Aug 17, 2011
182
63
Salem, OR
While the screen was blank flashed V7. Boots into OS now but says no sim card is present, Master reset makes no dif. Says phone must have sim card to operate, Any ideas?

Thanks

Dunno if you got this fixed, but did you try removing battery, SIM card, SD Card (Prob not necessary, but always best to cover all bases), wait 60 seconds, and re-assemble?

This usually takes care of that....

-Cybie
 

thesavo

Senior Member
May 24, 2011
115
8
Is anyone else getting an error when attepting to upload the TOT roms?
I am running windows 7 64 bit.
I have installed the programs and driver from this link. I had to
as an admin, since right click -> register wouldn't work.

I get the error in LGNPST when using either V7 or V8 TOT files.

Where am I going wrong?

I am running GingerVolt 2.0 while attempting this.
 

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jackpot08

Senior Member
Jul 7, 2011
661
114
Is anyone else getting an error when attepting to upload the TOT roms?
I am running windows 7 64 bit.
I have installed the programs and driver from this link. I had to as an admin, since right click -> register wouldn't work.

I get the error in LGNPST when using either V7 or V8 TOT files.

Where am I going wrong?

I am running GingerVolt 2.0 while attempting this.

I think you have to do 32 bit computer

Sent from my ADR6425LVW using Tapatalk 2 Beta-5
 
G

GuestK00134

Guest
I'm on 64 bit win 7, worked fine for me

Sent from my VS910 4G using xda premium
 

thesavo

Senior Member
May 24, 2011
115
8
I will look to see if I have an old XP foot rest around here somewhere.
I was hoping to have this done for my wife .

She is running GV and is constantly getting harassed with the V8 firmware from the Verizon Installer.

I installed GV 2.0 and it still does it.
Also, I used CMD to register the DLL. It wouldn't register in the GUI. I get this error.

However, it registers OK using the command prompt.
 

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Last edited:

kcarden

Senior Member
Jan 10, 2011
132
15
Motorola Edge +
I will look to see if I have an old XP foot rest around here somewhere.
I was hoping to have this done for my wife .

She is running GV and is constantly getting harassed with the V8 firmware from the Verizon Installer.

I installed GV 2.0 and it still does it.
Also, I used CMD to register the DLL. It wouldn't register in the GUI. I get this error.

However, it registers OK using the command prompt.

You have to turn off the system security notifications. Control panel>system & security> change user account control settings.. turn slider all the way down... make sure you turn it back up after your done. Its a security feature for windows 7 that blocks .dll's from unknown sources.

Sent from my VS910 4G using XDA
 

thesavo

Senior Member
May 24, 2011
115
8
Thanks. I did try that and it didn't work. I brought the slider bar to the bottom.

Lets try it again, and this time, i will reboot.

Update: Still doesn't work in 7, 64Bit, with UAC off.

I did work in XP.
 
Last edited:

kcarden

Senior Member
Jan 10, 2011
132
15
Motorola Edge +
Thanks. I did try that and it didn't work. I brought the slider bar to the bottom.

Lets try it again, and this time, i will reboot.

Update: Still doesn't work in 7, 64Bit, with UAC off.

I did work in XP.

Weird... that worked for me whenever i regained root in zv8. Logged in as admin maybe? Doesn't make much sense to have access to change system registries without being able to lol


Sent from my VS910 4G using XDA
 
Oct 11, 2014
15
1
I know this is an old thread, but I have a revo that doesn't boot up, it tries turning on, get the lg logo then back off.... it has no rom on it that is correct. I want to flash stock rom. Will this work?
 

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  • 21
    I've updated my phone. Lost my root.

    Here are the instructions that got me successfully back to STOCK ROM that is still rootable.

    EDIT #2: USE AT YOUR OWN RISK!

    Instructions:
    1. Get the LGNPST Package with the GenericModels and Components Plug-In.
    http://www.megaupload.com/?d=GQ0P3XM7

    2. Get the driver for the phone and install it.
    http://www.lg.com/us/support/mc-support/drivers/LGAndroidDriver_Ver_1.0_All.exe

    3. Get the Stock Rom TOT file and extract it.
    http://xdaforums.com/showthread.php?t=1120062

    4. Get the DLL file specifically for the Revolution
    http://xdaforums.com/showpost.php?p=14850289&postcount=19

    5. Extract the "LGNPST Store & Lab"

    6. Install the following order:
    a. LGNPSTv1.2_Store_Version.msi
    b. LGNPST_v1.2_Lab_Version.msi
    c. Components >> LGNPST_Components_Ver_5_0_12_0.msi
    d. GenericModels >> LGNPST_GenericModels_Ver_5_0_10_0.msi

    7. Run "Right_Click_Register_DLL.reg"

    8. Make a new folder called "Models" in the program's directory
    Default: "C:\LG Electronics\LGNPST\"

    9. Grab the "VS910.dll" and put it in the "Models" folder.

    10. Right Click "VS910.dll" and click on Install.
    Note: DLL WILL NOT INSTALL UNLESS COMPONENTS AND GENERICMODELS PLUG-INS ARE INSTALLED!!!

    a. Make sure you install it properly
    b. REBOOT!!

    11. Run "LGNPST"

    12. Plug in your phone, use Internet Connection Mode,and enable USB Debugging.

    13. Phone should pop up in the list

    14. Select the phone and click on the Open folder button inside the .BIN query underneath the COM## details.

    15. Since it wants a .bin file, you can open the .TOT file by typing "*.*" inside the File Name query and hitting Enter

    16. Select "VS910ZV4_04.S4_04.P58008.R5.user.tot" and Click OK

    17. Then click on Upgrade

    18. Wait a few minutes

    19. Voila

    EDIT: To all users running 64bit versions of Windows, you guys may run into problems since I only tested this method under a 32bit environment of Windows 7. I will attempt to get my hands on a 64bit version of Windows 7 to test some more and make a instructional Youtube video to help out everyone soon.

    EDIT #2: Been busy, Haven't got a chance to make a youtube video yet.
    4
    A note to all. If you have the drivers installed form earlier. UNINSTALL THEM!

    Then restart. Install Verizon's drivers when you first plug your phone in while in 'Mass Storage' and THEN install those drivers. I had some problems getting it to work but that fixed it a bunch. Also, if you are getting a 0x800 error while trying to install the DLL, open CMD with Admin privileges and then 'regsvr32.exe "C:\LG Electronics\LGNPST\Models\VS290.dll" and it should install correctly.' I would suggest rebooting after this then running the tool.
    1
    I've updated my phone. Lost my root.

    Here are the instructions that got me successfully back to STOCK ROM that is still rootable.

    Instructions:
    1. Get the LGNPST Package with the GenericModels and Components Plug-In.
    http://www.megaupload.com/?d=GQ0P3XM7

    2. Get the driver for the phone and install it.
    http://www.lg.com/us/support/mc-support/drivers/LGAndroidDriver_Ver_1.0_All.exe

    3. Get the Stock Rom TOT file and extract it.
    http://xdaforums.com/showthread.php?t=1120062

    4. Get the DLL file specifically for the Revolution
    http://xdaforums.com/showpost.php?p=14850289&postcount=19

    5. Extract the "LGNPST Store & Lab"

    6. Install the following order:
    a. LGNPSTv1.2_Store_Version.msi
    b. LGNPST_v1.2_Lab_Version.msi
    c. Components >> LGNPST_Components_Ver_5_0_12_0.msi
    d. GenericModels >> LGNPST_GenericModels_Ver_5_0_10_0.msi

    7. Run "Right_Click_Register_DLL.reg"

    8. Make a new folder called "Models" in the program's directory
    Default: "C:\LG Electronics\LGNPST\"

    9. Grab the "VS910.dll" and put it in the "Models" folder.

    10. Right Click "VS910.dll" and click on Install.
    Note: DLL WILL NOT INSTALL UNLESS COMPONENTS AND GENERICMODELS PLUG-INS ARE INSTALLED!!!

    a. Make sure you install it properly

    11. Run "LGNPST"

    12. Plug in your phone, use Internet Connection Mode,and enable USB Debugging.

    13. Phone should pop up in the list

    14. Select the phone and click on the Open folder button inside the .BIN query underneath the COM## details.

    15. Since it wants a .bin file, you can open the .TOT file by typing "*.*" inside the File Name query and hitting Enter

    16. Select "VS910ZV4_04.S4_04.P58008.R5.user.tot" and Click OK

    17. Then click on Upgrade

    18. Wait a few minutes

    19. Voila


    I thought this process caused problems with 4G not working and other various problems mentioned in the firmware thread?????
    1
    Not sure but maybe after doing this and obtaining root you can flash over to decrap rom or revolt rom and maybe that would fix the issues? Just a thought





    Sent from my VS910 4G using XDA App

    Somehow i dont think so usually a tot is a full bin file that writes everything including the radio if this tot messes that up or doesnt complete properly u can have problems potentually even a brick