How to Unlock LG Quantum “Mango” Phone

A few people have asked so here you go, a guide to unlocking your LG Quantum Mango phone from the comfort of your home, and for FREE! ALL credit goes to derausgewanderte over at the XDA forums. LG Windows Phone 7

Warning: Don’t blame me if it destroys your LG Quantum Mango phone, all work under taken at your own risk, however I have tried it myself and it does work, as well as for a lot of people on the other forum. I’ll gladly answer any queries if you want to post them here. LG Phone Problem and Solution

How to Unlock LG Quantum “Mango” Phone Steps:

  1. Install the MFG app by dialing: ##634#
  2. Open the MFG app. The password is: appmfg#*#
  3. Go to Engineer Menu -> Other Settings -> Edit Registry
  4. Set your ROOT PATH to "HKEY_LOCAL_MACHINE"
  5. Set your input path to "\Comm\Security\LVMod"
  6. Set your input key to "DeveloperUnlockState" and set to DWORD.
  7. Leave input data box empty and tap "SET".
  8. The output should be 0.
  9. Now enter "1" in the inputbox and tap "SET".
  10. The output should be 1.
  11. Set your input path to "\Software\Microsoft\DeviceReg"
  12. Set your input key to "PortalUrlProd" and set to DWORD.
  13. Clear the input data box and hit "SET".
  14. Output result should be "0".
  15. Set your input key to "PortalUrlInt" and set to DWORD.
  16. Clear the input data box and hit "SET".
  17. Output result should be "0".
  18. Set your input path to "\Software\Microsoft\DeviceReg\Install"
  19. Set your input key to "MaxUnsignedApp" and set to DWORD.
  20. Clear the input data box and hit "SET".
  21. The output should be 0.
  22. Now enter "2147483647" in the inputbox and tap "SET".
  23. Output result should be "2147483647".

Happy unlocking kids, and again big thanks to derausgewanderte! LG-Quantum info

LG Quantum C900 Mango Phone Photos LG Cell Phone Pictures

LG_Quantum_C900

 

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10 thoughts on “How to Unlock LG Quantum “Mango” Phone”

  1. greetings. QUANTUM buy an LG phone on amazon.com. I happen to your PUK blocked, the seller was responsible and I have the phone unusable, you can help in some way

  2. Hi, I need help! I did purchase a Quantum at Amazon.com, and I did try the pin/puk code several times, and now I’m getting PUK code error (phone blocked), can you help me to unlock my phone? I’m at brazil, trying to use an GSM Sim Card from “Oi Carrier”.

  3. Hi, I need help! I did purchase a Quantum at Amazon.com, and I did try the pin/puk code several times, and now I’m getting PUK code error (phone blocked), can you help me to unlock my phone? I’m at Argentina, trying to use an GSM Sim Card from “Personal”.

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