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How to flash firmwares to Lg Optimus L7

3 posts in this topic



So you want to flash new firmwares on your L7 or downgrade firmware for rooting?

Here is quick tut showing you how it can be done in less than 20 mins

First of all you will need few things:

  1. Flash pack located here
  2. Optionally is first method don't work for you flash fix from here

Now let's get started, unpack KDZ_FW_UPD_EN.zip than follow next steps


a)Install "B2CAppSetup.exe" and run LGMobile update.


b)Install drivers.



a)Connect your phone to PC with USB "debug" mode enabled and wait for drivers to install.

b)Install msxml.msi (Right click on file and select Install)

c)Turn "windows enabler.exe" and switch to the "ON" position( left click on icon)



Start "UpTestEX_mod2_marwin.exe", select your KDZ file.

Set emeregency, 3gQCT as pictured and press "NORMALL WEB UPGRADE TEST"





NOTE: Do it on your own risk


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Posted (edited)

/* placeholder for injecting superuser, su and busybox to kdz firmware */

Edited by BGDonLINE

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HELP....!!! My LG ll P713 Bricked/Emergency mode , every I flashing alwast error parram:100 parram:0 


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