This is not my work just passing along the info "all info found at
xda "
All these hacks worked perfectly on my LG quantum
LG "Debranding" Hack
1. Enable the MFG application by going to the dialer and dialing ##634# then pressing call.
2. Launch the MFG application and enter 277634#*# when prompted for a password.
3. Select the Engineer Menu item.
4. Select the Other Setting menu item.
5. Select the Edit registry menu item.
6. Set the input boxes on this menu as follows:
Select ROOT_PATH: HKEY_LOCAL_MACHINE
Input SUB_PATH: \System\Platform\DeviceTargetingInfo\
Input KEY: MobileOperator
Data Type: STRING
7. Select Query and write down the result in case you need to re-brand for some reason.
8. To debrand just leave the input data field blank and select SET. The tool will say fail but it really did set correctly.You can now connect to Zune and check for updates.
Zune will update phone to pre-nodo
How To Get Nodo Update
(Debranded phone with pre-nodo update required see above)
1. Launch the MFG application and enter 277634#*# when prompted for a password.
2. Select the Engineer Menu item.
3. Select the Other Setting menu item.
4. Select the Edit registry menu item.
5. Set the input boxes on this menu as follows:
Select ROOT_PATH: HKEY_LOCAL_MACHINE
Input SUB_PATH: \System\Platform\DeviceTargetingInfo\
Input KEY: MobileOperator
Data Type: STRING
Input DATA: type "000-88" in box and hit SET
6. Connect phone to computer and follow this guide (Thanks Noticed at XDA)
1. Start Zune.
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2. Turn off data connection and Wi-Fi on the Phone.
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3. Connect the Phone to the PC (USB).
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4. Manually
search for an update within Zune. ("Settings" > "Phone" > "Update")
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Important step 5.:
About 3 seconds later, disconnect your PC from the internet. (Turn WLAN/Ethernet off)
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6. The Update shows up!
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7. Reconnect to the internet and install the update.
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If it doesn't work try again starting from step 4 and vary the time you disonnect.
How To Un-Lock Your Phone
You can unlock the phone by using the MFG registry editor.
Open the MFG app and use the password to open it. If you don't know it's (appmfg#*#)
Go to Engineer Menu -> Other Settings -> Edit Registry
Set your ROOT PATH to "HKEY_LOCAL_MACHINE"
Set your input path to "\Comm\Security\LVMod"
Set your input key to "DeveloperUnlockState" and set to DWORD
Hit Query. Output result should return a "0" or a random long number. If it does continue.
Set your input data box to "1" and hit SET. Output result should be 1
How To Keep Your Phone Unlocked
You can keep your phone unlocked and prevent Zune from re-locking it.
Open the MFG app and use the password to open it. If you don't know it's (appmfg#*#)
Go to Engineer Menu -> Other Settings -> Edit Registry
Set your ROOT PATH to "HKEY_LOCAL_MACHINE"
Set your input path to "\Software\Microsoft\DeviceReg"
Set your input key to "PortalUrlProd" and set to DWORD
Hit Query. Output result should return data. If it does continue.
Keep your input data box empty and hit SET. Output result should be 0
Keep this screen open and continue to Part 2
Part 2
Set your ROOT PATH to "HKEY_LOCAL_MACHINE"
Set your input path to "\Software\Microsoft\DeviceReg"
Set your input key to "PortalUrlInt" and set to DWORD
Hit Query. Output result should return data. If it does continue.
Keep your input data box empty and hit SET. Output result should be 0
Backout to the password screen and shutdown the phone via powerbutton.
Reboot and sync. Your phone should stay unlocked.
How To Re-Lock Your Phone
Don't want your phone unlocked anymore? You can re-lock the phone by using the MFG registry editor.
Open the MFG app and use the password to open it. If you don't know it's (appmfg#*#)
Go to Engineer Menu -> Other Settings -> Edit Registry
Set your ROOT PATH to "HKEY_LOCAL_MACHINE"
Set your input path to "\Comm\Security\LVMod"
Set your input key to "DeveloperUnlockState" and set to DWORD
Hit Query. Output result should return a "1". If it does continue.
Set your input data box to "0" and hit SET. Output result should be 0
Your phone is now locked. To Unlock the phone redo the above steps but set back to "1"
Many other Windows Phone 7 registry tweaks found HERE