How to Flash / Unbrick LG G2 Back to Stock

Hi, LG G2 owners, here’s a great tip! I got an interesting tutorial on how to install kdz firmware on your LG G2 (except for the AT&T). A full guide that will lead you through every step to successfully upgrade your phone, including a list of the necessary files, preparing your phone and flashing, all explained on a very easy language and including all the necessary files. Be sure to understand all instructions before proceeding and don’t forget to leave your feedback.

T-mobile LG G2 Rom / Firmware

Verizon LG G2 Rom / Firmware

Other versions:

LG Mobile Support Tool:

LG G2 Flash Tool:

LG G2 Usb Driver:

How to flash LG G2 with a kdz file steps:

  1. Download and extract Flash Tool to you PC
  2. Download and install B2CAppSetup.exe (if you don’t have)
  3. Install USB drivers from this program (if you don’t have)
  4. Power off your LG G2, press Volume Up key and then plus-in the usb cable (enter to a download mode)
  5. Run UpTestEX.exe
  6. Select your KDZ file. Set “3GQCT”, “DIAG” as pictured and press “NORMALL WEB UPGRADE TEST. (on screenshot)
  7. Then another window "read phone information" pop up, click "Upgrade Start" button. Wait a few seconds, another window "Select Country & Language" pop up, Country=Republic of Korea, Language=English, you can click ok to proceed
  8. After flashing LG G2 reboots automatically.

LG G2 Phone Photos LG Cell Phone Pictures

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LG Cell Phone – Related Posts


18 thoughts on “How to Flash / Unbrick LG G2 Back to Stock”

  1. Can this be done even if i dont have internet connection? I completely downloaded all the requirements. Thanks You.

  2. My phone says update in process but I see no signs and the Language Pop Up hasn’t occurred yet. Any ideas?

  3. I get confused.

    At step 6, why don’t you press “Start Upgrade” instead of “NORMALL WEB UPGRADE TEST”?

    The phone will be fashed with the KDZ selected or from the web in LG Mobile Support Tool?

  4. What i do not realize is in truth how you are now not actually a lot
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  5. Hi, thanks for the method. Everything goes fine but when i click on ‘start upgrade’ it starts the LG Mobile Support tool & no popup to select country appears. Can you help me please.

  6. The country must be koraean? or do i choose mine?I have a korean LG G2(F320L) but i live in Bangladesh.Another problem is when i try to make a video call with this phone it shows “When global roaming,video call is not supported”…This is weired..How can i solve this problem,can please help me?

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