[GUIDE] [4/26/12] [CWM 5.8.1.3 *TOUCH*] NVFlashing CWM Recovery for Dummies

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KiNG OMaR

Senior Member
Sep 20, 2010
1,713
421
Chicago
This has been tested and confirmed to be working. Follow instructions to the key and you should be good to go!
If you are having ANY issues, watch the video below before posting! It seems to solve a lot of the errors


*WARNING* *WARNING* *WARNING*
NVFlash is a powerful utility that works at a very low level on your phone. There are few safety mechanisms built into a tool like this because it is intended for use by people with suitable training. This CAN brick your device. It is unlikely to create an irrecoverable situation, but it does have the power to create a situation that you can not recover from yourself, thus requiring factory maintenance. Warranty coverage for your phone is not guaranteed after using NVFlash. Please proceed with the use of the tool carefully and at your own risk.​

All credit goes to RussUnderhill, Fitsnugly, krylon360, player911, djmcnz and mapin0518 who made this guide possible :)

Useful hint: Copy and paste the commands into the command prompt to reduce error :)

><><><><><><><><><><><><><><><><><><><><

The files you need:
  1. NVFlash.zip (Windows NVFlash app + CWM Recovery 5.0.2.0 Image)
  2. APX Driver.zip (APX Driver)

><><><><><><><><><><><><><><><><><><><><

Optional files:

><><><><><><><><><><><><><><><><><><><><

Now let's extract the files:

We will be extracting to these two folders:
Code:
C:\G2x\APX Driver
C:\G2x\NVFlash
Extract APX Driver.zip to C:\G2x\APX Driver
Extract NVFlash.zip to C:\G2x\NVFlash

><><><><><><><><><><><><><><><><><><><><

Here's how to do it:
  • Remove the battery
  • Hold Vol Up/Down (and keep them held)
  • Insert the USB cable

  • Install APX driver from the your APX folder
    For windows 7(and vista? please confirm):
    Open Device Manager in Windows and you should see "APX Device" listed with an error
    Right click on the APX device
    Select 'Update driver software'
    Select 'Browse my computer...'
    Select 'Let me pick...'
    Select 'Have disk'
    Browse to directory you extracted the *driver* software to: C:\G2x\APX Driver
    Select the *entire* 'APX Driver' folder; Do not go inside of it!
    Accept any warnings, including the big red alert (you may need to disable UAC)
    Now in Device Manager under 'USB Controllers' you should have an 'NVIDIA USB Boot-recovery driver for mobile devices'
    If not, uninstall the driver, reboot, rinse and repeat​

  • Unplug everything
  • Hold Vol Up/Down (and keep them held)
  • Insert USB cable
  • open command prompt
  • navigate to your NVFlash folder:
Code:
cd \
cd g2x\nvflash
nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 recovery-clockwork-5.0.2.0-p999.img

You should see it send a bunch of files to the device and the phone screen should say "S/W Upgrade - Please wait while upgrading...". You can let go of the volume buttons at this point. Once the files are sent and the program is finished running in the command window, you CAN just pull the USB cord or be safe and just wait a few extra minutes, however it will still say "upgrading."

><><><><><><><><><><><><><><><><><><><><

To get into Recovery:
  • Plug the battery back in (or power off the device if it was on)
  • Hold Vol Down + Power until you see the LG splash screen with blue highlights (that means keep holding for ~10 seconds after you see the LG boot screen).

><><><><><><><><><><><><><><><><><><><><

This is if you already have all the files and drivers set up:
How to flash ClockworkMod Recovery 5.8.1.3:

CWM Touch is still experimental. Flash at your own risk. Do not expect much help if something goes wrong or does not work right, be prepared for some crisis management. Not everything works properly, but when it does work, it works pretty well. This has bugs. Do NOT flash this unless you know how to flash an alternate recovery if things go wrong.​

  • download the 5.8.1.3 clockworkmod *TOUCH* recovery image
  • place p999-5.8.1.3.img in C:\G2x\NVFlash
  • Unplug everything
  • remove the battery
  • Hold Vol Up/Down (and keep them held)
  • Insert USB cable
  • open command prompt
  • execute the following commands:
Code:
cd \
cd g2x\nvflash
nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 p999-5.8.1.3.img

><><><><><><><><><><><><><><><><><><><><

This is if you already have all the files and drivers set up:
How to flash ClockworkMod Recovery 5.0.2.7:
  • download the 5.0.2.7 clockworkmod recovery image
  • place recovery-clockwork-5.0.2.7-p999.img in C:\G2x\NVFlash
  • Unplug everything
  • remove the battery
  • Hold Vol Up/Down (and keep them held)
  • Insert USB cable
  • open command prompt
  • execute the following commands:
Code:
cd \
cd g2x\nvflash
nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 recovery-clockwork-5.0.2.7-p999.img

><><><><><><><><><><><><><><><><><><><><

How to revert back to stock recovery:
  • download the optional stock recovery image
  • extract or place part5.img in C:\G2x\NVFlash
  • Unplug everything
  • remove the battery
  • Hold Vol Up/Down (and keep them held)
  • Insert USB cable
  • open command prompt
  • execute the following commands:
Code:
cd \
cd g2x\nvflash
nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 part5.img

><><><><><><><><><><><><><><><><><><><><

NVFlash for dummies - Guide to set up and flash a recovery
***Poor quality and outdated but it gets the job done***

><><><><><><><><><><><><><><><><><><><><

Frequently asked questions:
Where do I place the .img files?
You place the .img files in the NVFlash folder you created PRIOR to flashing.

I'm getting an error.
  • You MUST keep both volume buttons held down the whole time until you get the success message in command prompt!
  • Try using a different USB port on the computer
 
Last edited:

mapin0518

Senior Member
Dec 15, 2006
321
25
This is great to have an official guide thread. For the sake of completeness, here is the link to stock recovery as well so there aren't dozens of posts asking how to return to stock recovery.

http://mirror.dal.tdrevolution.net/ctso/g2x/part5.img

Flash it with nvflash just like you did CWM:

nvflash --bct 1108_Hynix_512MB_H8TBR00U0MLR0DM_300MHz_final_emmc _x8.bct --bl fastboot.bin --download 5 part5.img
 

N1user

Member
Feb 19, 2010
21
3
Doesnt seem to be working for me, performed as instructed, 2x, still with same results.
Any Ideas?

C:\nvflash>nvflash --bct 1108_Hynix_512MB_H8TBR00U0MLR0DM_300MHz_final_emm_x8.bc
t --bl fastboot.bin --download 5 part5.img
Nvflash started
rcm version 0X20001
System Information:
chip name: unknown
chip id: 0x20 major: 1 minor: 3
chip sku: 0xf
chip uid: 0x028841c3433f8457
macrovision: disabled
hdcp: enabled
sbk burned: false
dk burned: false
boot device: emmc
operating mode: 3
device config strap: 0
device config fuse: 17
sdram config strap: 0

downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: fastboot.bin
/ 1024992/1024992 bytes sent
fastboot.bin sent successfully
waiting for bootloader to initialize
bootloader failed NvError 0x0
command failure: bootloader download failed
 
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KiNG OMaR

Senior Member
Sep 20, 2010
1,713
421
Chicago
Doesnt seem to be working for me, performed as instructed, 2x, still with same results.
Any Ideas?

C:\nvflash>nvflash --bct 1108_Hynix_512MB_H8TBR00U0MLR0DM_300MHz_final_emm_x8.bc
t --bl fastboot.bin --download 5 part5.img
Nvflash started
rcm version 0X20001
System Information:
chip name: unknown
chip id: 0x20 major: 1 minor: 3
chip sku: 0xf
chip uid: 0x028841c3433f8457
macrovision: disabled
hdcp: enabled
sbk burned: false
dk burned: false
boot device: emmc
operating mode: 3
device config strap: 0
device config fuse: 17
sdram config strap: 0

downloading bootloader -- load address: 0x108000 entry point: 0x108000
sending file: fastboot.bin
/ 1024992/1024992 bytes sent
fastboot.bin sent successfully
waiting for bootloader to initialize
bootloader failed NvError 0x0
command failure: bootloader download failed

I figured out the problem... There nvflash command was wrong. I have correctly updated it in the OP
 
Last edited:

suhailtheboss

Senior Member
Jun 25, 2009
323
84
Kansas City
thanks for this guide

i dont feel comfortable flashing new ROMS with the fakeflash. gonna dust off my PC in a few minutes and give this a shot!

unless a mac guide comes out in the next 20 minutes. :p
 

suhailtheboss

Senior Member
Jun 25, 2009
323
84
Kansas City
I did this in Fusion with no issues. Keep that PC where it belongs :p

awesome idea, just flashed it through fusion with no issues!
i used to avoid it because i tried to flash something to my HD2 via fusion and had some odd errors. makes it much more convenient since everything worked first try this time.

At least for me, the battery had to be reinserted to flash the recovery...not to install the drivers, however. YMMV.

mine flashed w/o the battery just to put that information out there as well.
not sure if different OS' may cause the issue or not.
 

Suprah

Senior Member
Mar 13, 2011
524
24
can anyone please make a video on how to use nvflash?

and the apx cant be installed since they are just files and not a exe. so how would it work
 
Last edited:

skyhigh2004

Senior Member
Oct 10, 2010
1,116
65
Saint Cloud MN
I can't even get my computer to install the APX drivers... when I pull the battery and hold both volume buttons and insert the usb it just comes up as unknown device not apx device and when I try and update the driver I says no files related to your device when I select the nvidia drivers. Hating my pc right now, this is why I love my old mac lol.

Sent from my G2x
 

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  • 48
    This has been tested and confirmed to be working. Follow instructions to the key and you should be good to go!
    If you are having ANY issues, watch the video below before posting! It seems to solve a lot of the errors


    *WARNING* *WARNING* *WARNING*
    NVFlash is a powerful utility that works at a very low level on your phone. There are few safety mechanisms built into a tool like this because it is intended for use by people with suitable training. This CAN brick your device. It is unlikely to create an irrecoverable situation, but it does have the power to create a situation that you can not recover from yourself, thus requiring factory maintenance. Warranty coverage for your phone is not guaranteed after using NVFlash. Please proceed with the use of the tool carefully and at your own risk.​

    All credit goes to RussUnderhill, Fitsnugly, krylon360, player911, djmcnz and mapin0518 who made this guide possible :)

    Useful hint: Copy and paste the commands into the command prompt to reduce error :)

    ><><><><><><><><><><><><><><><><><><><><

    The files you need:
    1. NVFlash.zip (Windows NVFlash app + CWM Recovery 5.0.2.0 Image)
    2. APX Driver.zip (APX Driver)

    ><><><><><><><><><><><><><><><><><><><><

    Optional files:

    ><><><><><><><><><><><><><><><><><><><><

    Now let's extract the files:

    We will be extracting to these two folders:
    Code:
    C:\G2x\APX Driver
    C:\G2x\NVFlash
    Extract APX Driver.zip to C:\G2x\APX Driver
    Extract NVFlash.zip to C:\G2x\NVFlash

    ><><><><><><><><><><><><><><><><><><><><

    Here's how to do it:
    • Remove the battery
    • Hold Vol Up/Down (and keep them held)
    • Insert the USB cable

    • Install APX driver from the your APX folder
      For windows 7(and vista? please confirm):
      Open Device Manager in Windows and you should see "APX Device" listed with an error
      Right click on the APX device
      Select 'Update driver software'
      Select 'Browse my computer...'
      Select 'Let me pick...'
      Select 'Have disk'
      Browse to directory you extracted the *driver* software to: C:\G2x\APX Driver
      Select the *entire* 'APX Driver' folder; Do not go inside of it!
      Accept any warnings, including the big red alert (you may need to disable UAC)
      Now in Device Manager under 'USB Controllers' you should have an 'NVIDIA USB Boot-recovery driver for mobile devices'
      If not, uninstall the driver, reboot, rinse and repeat​

    • Unplug everything
    • Hold Vol Up/Down (and keep them held)
    • Insert USB cable
    • open command prompt
    • navigate to your NVFlash folder:
    Code:
    cd \
    cd g2x\nvflash
    nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 recovery-clockwork-5.0.2.0-p999.img

    You should see it send a bunch of files to the device and the phone screen should say "S/W Upgrade - Please wait while upgrading...". You can let go of the volume buttons at this point. Once the files are sent and the program is finished running in the command window, you CAN just pull the USB cord or be safe and just wait a few extra minutes, however it will still say "upgrading."

    ><><><><><><><><><><><><><><><><><><><><

    To get into Recovery:
    • Plug the battery back in (or power off the device if it was on)
    • Hold Vol Down + Power until you see the LG splash screen with blue highlights (that means keep holding for ~10 seconds after you see the LG boot screen).

    ><><><><><><><><><><><><><><><><><><><><

    This is if you already have all the files and drivers set up:
    How to flash ClockworkMod Recovery 5.8.1.3:

    CWM Touch is still experimental. Flash at your own risk. Do not expect much help if something goes wrong or does not work right, be prepared for some crisis management. Not everything works properly, but when it does work, it works pretty well. This has bugs. Do NOT flash this unless you know how to flash an alternate recovery if things go wrong.​

    • download the 5.8.1.3 clockworkmod *TOUCH* recovery image
    • place p999-5.8.1.3.img in C:\G2x\NVFlash
    • Unplug everything
    • remove the battery
    • Hold Vol Up/Down (and keep them held)
    • Insert USB cable
    • open command prompt
    • execute the following commands:
    Code:
    cd \
    cd g2x\nvflash
    nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 p999-5.8.1.3.img

    ><><><><><><><><><><><><><><><><><><><><

    This is if you already have all the files and drivers set up:
    How to flash ClockworkMod Recovery 5.0.2.7:
    • download the 5.0.2.7 clockworkmod recovery image
    • place recovery-clockwork-5.0.2.7-p999.img in C:\G2x\NVFlash
    • Unplug everything
    • remove the battery
    • Hold Vol Up/Down (and keep them held)
    • Insert USB cable
    • open command prompt
    • execute the following commands:
    Code:
    cd \
    cd g2x\nvflash
    nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 recovery-clockwork-5.0.2.7-p999.img

    ><><><><><><><><><><><><><><><><><><><><

    How to revert back to stock recovery:
    • download the optional stock recovery image
    • extract or place part5.img in C:\G2x\NVFlash
    • Unplug everything
    • remove the battery
    • Hold Vol Up/Down (and keep them held)
    • Insert USB cable
    • open command prompt
    • execute the following commands:
    Code:
    cd \
    cd g2x\nvflash
    nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 part5.img

    ><><><><><><><><><><><><><><><><><><><><

    NVFlash for dummies - Guide to set up and flash a recovery
    ***Poor quality and outdated but it gets the job done***

    ><><><><><><><><><><><><><><><><><><><><

    Frequently asked questions:
    Where do I place the .img files?
    You place the .img files in the NVFlash folder you created PRIOR to flashing.

    I'm getting an error.
    • You MUST keep both volume buttons held down the whole time until you get the success message in command prompt!
    • Try using a different USB port on the computer
    6
    Here's how to do it for all the little nooblies :p
    I won't add it to the OP until it is confirmed working and/or stable.
    Credit goes out to @RussUnderhill for getting a working touch recovery for the G2x.

    This is if you already have all the files and drivers set up:
    How to flash ClockworkMod Recovery 5.8.1.3:
    • download the 5.8.1.3 clockworkmod *TOUCH* recovery image
    • place p999-5.8.1.3.img in C:\G2x\NVFlash
    • Unplug everything
    • remove the battery
    • Hold Vol Up/Down (and keep them held)
    • Insert USB cable
    • open command prompt
    • execute the following commands:
    Code:
    cd \
    cd g2x\nvflash
    nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 p999-5.8.1.3.img
    4
    I've added the instructions to flash the touch recovery to the OP, with a nice little warning. Guys, don't use this unless you know how to fix it.

    Also, Windows 8 is beta software in itself, I wouldn't trust this to work on it anyways.

    This is if you already have all the files and drivers set up:
    How to flash ClockworkMod Recovery 5.8.1.3:

    CWM Touch is still experimental. Flash at your own risk. Do not expect much help if something goes wrong or does not work right, be prepared for some crisis management. Not everything works properly, but when it does work, it works pretty well. This has bugs. Do NOT flash this unless you know how to flash an alternate recovery if things go wrong.​

    • download the 5.8.1.3 clockworkmod *TOUCH* recovery image
    • place p999-5.8.1.3.img in C:\G2x\NVFlash
    • Unplug everything
    • remove the battery
    • Hold Vol Up/Down (and keep them held)
    • Insert USB cable
    • open command prompt
    • execute the following commands:
    Code:
    cd \
    cd g2x\nvflash
    nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 p999-5.8.1.3.img
    3
    I believe the OP is still incorrect as far as the code goes.

    The OP says
    Code:
    nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR-0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 recovery-star-test2.img

    When it should say
    Code:
    nvflash.exe --bct E1108_Hynix_512MB_H8TBR00U0MLR_0DM_300MHz_final_emmc_x8.bct --bl fastboot.bin --download 5 recovery-star-test2.img

    Notice the MLR-0DM is changed to MLR_0DM. When I tried with the - I get the
    downloading bootloader -- load address: 0x108000 entry point: 0x108000
    sending file: fastboot.bin
    / 1024992/1024992 bytes sent
    fastboot.bin sent successfully
    waiting for bootloader to initialize
    bootloader failed NvError 0x0
    command failure: bootloader download failed

    When I tried with the _ it worked with no problems and writes successfully.

    Sorry people, I actually did try to record this for a video but it turns out in order to NVFlash this successfully AND record the video, I would need at least 3 hands.
    3
    I downloaded everything in his post, and the only way it would flash is with the _ not the -

    I flashed the same way multiple times and it seems to work for me... :confused:

    Anyways, here's the crap video I promised:
    Feel free to upload your own - one made with an actual camera ;)