Procedure to Update LG Optimus One GT 540 with Jellybean 4.1 Cyanogen Mod 10 Firmware:
- Download the Jellybean 4.1 Cyanogen Mod 10 Firmware here to your computer. Once downloaded, connect your phone to the computer and place these both zip files in your device’s internal memory. Ensure that you are not placing the file deep into the sub folders.
- Disconnect the device and turn off so that it can be then entered in the recovery mode. Press Volume Down + Home Button + Power button to enter the device in the recovery mode. If the device boots up in the normal mode then you need to try again to enter the device in the recovery mode.
- In the recovery mode, you may choose an option to select Full Wipe except the sd card and also you can make a NANDROID Backup of the data.
- Flash the Firmware zip file and then choose the option of “reboot system now” for rebooting the system now.
Note: Just in case if the device booted up or gets into the boot loop mode then you need to re follow the above mentioned steps with the help of above mentioned instructions.
Do let us know in the comments section just in case if there are any issues faced in the process of updating this ICS firmware. Congratulations, you have successfully applied the update of with Jellybean 4.1 Cyanogen Mod 10 Firmware in your Optimus One P500.