Tutorial to Update LG Optimus GT 540 with Android 4.0 Firmware

Sanjana January 2, 2012 0

This New Year we are here with the beta version of Android 4.0 ICS for LG Optimus GT 540 smartphone. The new beta version is not the official firmware version but is quiet stable. You need to note down the current firmware you are running on, in case you want to bounce back to the default firmware version after having applied this firmware. Unluckily LG won’t be coming up with an Official android 4.0 firmware for Optimus GT 540 smartphone due to some hardware restrictions.

lg optimus gt540

We wont be responsible for any harm caused to your device during the updation procedure that is unlikely to happen if you follow the instructions carefully. The updation procedure is only applicable to LG Optimus GT 540 smartphones that are network unlocked so do not try it in any other devices as it might not be reversible and will harm the device by blocking it.

Let’s take a look at some of the noticeable changes that come along with this Beta 3 firmware.

Changes in ICS Beta 3 Firmware:

  • Haptic feedback along with ICS Music app is present and working
  • Market downloads issue, Browser bug and Time zone bug is fixed
  • Adreno is fixed that results in better gaming performance and improved animations
  • CM source has been updated that lets you access CM Apps Settings from Device Settings tab in preferences
  • Gallery bug is fixed with picture cropping along with internal Gapps
  • Better Wi Fi operation due to new supplicant sift
  • Kernel has been changed and Gmail works perfect
  • New power and batt drivers from .29 using LG charging table that charges completely
  • CPU frequency drivers from 3.0 Galaxy Nexus Kernel and Console Switch on Early suspend


You ought to backup all the user data present in your phone since chances of data loss or corruption are there. Having a backup will help you replace the lost data if any damage occurs. Follow the link posted below to backup and restore all your data easily.

Pre Upgrade Instructions for Rooting and Firmware Update

Must Have:

Download ICS Android 4.0 Zip Package

Steps  to Update LG Optimus GT 540 with ICS Android 4.0:

Step-1: Root your LG Optimus GT 540 first since this update cannot be applied without rooting then download ICS Android 4.0 Zip Package from the Must Have section to your computer. Connect the smartphone via original USB Cable obtained at purchase time and copy the downloaded zip file to your phone’s SD Card without renaming or modifying it. Enable USB Debugging from the path “Settings > Applications > Development > USB Debugging”

enable usb debugging

Step-2: After copying is done, remove the connected USB Cable and power off your phone to enter into Recovery mode.   To enter into Recovery mode power off your phone then after 5 seconds press Home button and while holding it press power on button to start the device in Recovery mode.

recovery mode

Step-3: In Recovery mode choose ”Install zip from SD Card” > “Choose zip from SD Card” then select the ICS Android 4.0 Zip file placed in your phone. It will take about 10mins for the whole updation process to complete.

Step-4: After the updation process is complete, you will again land up in Recovery mode. Now choose “++++Go Back++++” then “Reboot system now” option to reboot the phone.

Thus you can easily update your LG Optimus GT 540 with Android 4.o firmware by following the above mentioned steps. If the device gets stuck in the middle at any point of time, pull off the battery, re-insert it and again re follow the procedure from the beginning.

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