CM7 Android 2.3.4 Gingerbread for LG Optimus GT540

The most coveted of all the custom ROMS, the CM7 ROM, has been available for LG Optimus GT540 for sometime. Only couple of weeks before, a new version 2.3.4 was released and I just tried it out and was completely amazed by the ROM, just like everybody who has ever tried it is. Following is the tutorial for all LG GT540. The whole time I’ve used this ROM I have not had any problems, everything works perfect and fast. LG Android Phones


  • Make sure your phone is fully charged! Update process will take some time.
  • Make sure there’s enough free space at your internal sdcard (200MB)
  • Download KDZ Updater. (Include KDZ Updater and RomFastboot)

How to flash LG Optimus GT540 to CM7 Android 2.3.4 Gingerbread Instructions: LG Phone Problem and Solution

1- During installation, all your data will erase (contacts, configurations, data and applications installed), but if you dont want to lose the information, you should make a backup using MyBackupPro.

2- To install Android 2.3.4, you need to first have a fastboot rom installed on the LG Optimus GT540. If your phone already has a rom with fastboot skip to step 11.

3- Install msxml.

4- Then install the necessary drivers for your LG Optimus GT540 to be recognized, for this installLGAndroidDriver_WHQL_ML_Ver1.0_All_Win7-Vista (you can use this for XP, Vista and 7) (Archivos proporcionados por jaret). FOR WINDOWS XP USERS also need to download this: ,unzip it and right click file android_usb and click "Install."

5- Run KDZ_FW_UPD. Change “Type” a “3GQCT” and “PhoneMode” “DIAG”. Browse romfastboot.kdz in KDZ Folder and clic Open. 




















6-In your phone ABLE DEBUGGING USB, Settings>Aplications>Development> USB Debugging

7- Plug the cable into your LG Optimus GT540 and PC, and expects to be fully recognized by the drivers.

8- Now clic “Launch software update”, DO NOT USE THE PC TO THE PROCESS IS COMPLETE. THE PHONE WILL REBOOT WHEN FINISHED THE PROCESS IN KDZ. (The process takes about 15 minutes in KDZ).

9- When this process completes, the fastboot is now installed on phone.


11. Turn off your phone, press the camera button and power button while pressing do not leave until the FastBoot mode is activated, you will realize that it is activated when there appears nothing on the screen just stay with the backlight on.

12- CONNECT THE PHONE TO PC. Run “Android234GT540” and follow the steps of the installer. (DO NOT DISCONNECT THE PHONE UNTIL THE PROCESS IS COMPLETE)













13- NOW YOU HAVE ANDROID GINGERBREAD 2.3.4 IN YOUR PHONE. Change the language in Settings.

Caution: Whatever you do, do at your own risk, I just shared original materials and obviously will take no responsibility. If you have any question when flashing your LG Optimus GT540, feel free to let me know, I will reply you as soon as possible. LG-Optimus info

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