LG Optimus GT 540 – Steps to Install ICS Android 4.0 Firmware

LG Optimus LogoAdvisory: This update should not be applied to the phones which are NETWORK LOCKED DEVICES, if you still continue to update your phone then we cannot guarantee on the consequences.

It’s January, 01, 2012 and we are here with the beta version of Android 4.0 ICS for your LG Optimus GT 540 smartphone. This all new beta version is not the official version of firmware but it’s next to the stable version. So, keeping things simple, we have tried our level best to keep this article as simple as possible. Please note that, after applying this firmware if you wish to revert back to your original / present firmware then you need to note down your current firmware version. Unfortunately, due to hardware limitations, LGE will not be coming up with an Official ICS Android 4.0 firmware for Optimus GT 540 smartphone.

Disclaimer: We should not be held responsible or held liable for any damage happened to your device caused in the process of applying this ICS Custom ROM in your Phone. Though we will try our level best to assist you to recover the device.

GT 540 ICS

There are some things which work while there are some features which are still in the making. The complete list is listed below.

Change log for ICS Beta 3 Firmware:

  • Market download issue gone
  • Browser bug fixed
  • Haptic feedback present and working
  • ICS Music app is there
  • All the animations are working right so Adreno is fixed and game performance is better, like Angry Birds(test more)
  • GPS fix is inside, no need to download
  • Updated CM sources(no CM Settings for now but you can access CM Apps Settings from Device Settings tab in preferences
  • Fixed the Gallery bug with picture cropping(all is displayed right)
  • Gapps are inside
  • Gmail now works 100% right
  • Time zone bug is fixed
  • Wifi is working better due to new supplicant shit
  • Camera doesn’t Work
  • Kernel Changes:
  • -New power and batt drivers from .29(using LG charging table, so now percentage is correct)

-Charges to 100%
-Console Switch on Early Suspend(working on ICS deep sleep alternative)
-CPU freq drivers from 3.0 Galaxy Nexus Kernel

Quick pre Requisites:

  • In the process of applying this firmware, there is a possibility that the data may get lost or corrupted. So, it’s recommended that you create a backup of all the data present in your phone by following the below mentioned tips. Please note that you should not backup the data using the PC Suite as it may / may not get detected in the PC Suite after the update.

SMS – Use “SMS Backup & Restore app”,
Contacts – Sync with the Gmail application,
Notes – Manually save the notes in your mail as these will be lost in the process of firmware update
Call Log - Call Log and Restore
Images, Songs, Videos, Files – Copy to internal / External SD Card,
APN and MMS Settings – Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names

  • Assuming that you have created a backup of all the data, it’s now time to ensure that the minimum charge left in the device is 60% so as to ensure that it doesn’t get turned off in the middle of firmware update process.
  • Up next, disable all the antivirus tools in any present in your phone as it may interrupt the process of firmware update.

So, assuming that you have followed all the instructions carefully which are mentioned above, it’s now time to head to the next page where we have summed up the instructions to apply this firmware update in your phone.


  1. Hi All,
    I have upgraded to cyanogen ICS but the problem is i have very little memory left for any software installation.
    can anyone guide me how to revert it to 2.3.7

  2. Plz help me when ever i want to go to recovery mode by pressing home+power on key it says safe mode not recovery mode plzz plzz

  3. When you publishing the tutorial, please write all the steps. Here you didn’t!
    Safe mode and Recovery mode are not the same. those who doesn’t have a recovery mode, need to install it first.

  4. i want to update my android o.s from 2.1 in lg gt540 optimus phone plz tel me the procedure

  5. Once the device enters in the recovery mode, you need to select
    the “install zip from sd card” > “choose zip from sd card” and then
    choose the ICS Android 4.0 Zip file which you have placed in your phone.
    It will take around 10 minutes for the whole process of update to get
    completed. Once the update process is done, the device will be landing
    up in the recovery mode. Now, select “++++ Go Back ++++” > “reboot
    system now” to reboot the phone.

    - I can’t find these on my lg gt540 optimus. only zip file “CyanogenMod-9.0.0-RC0-OPTIMUS-BETA3_Mike_Gapinski” Please help.

  6. I installed it and all but it keeps freezing at the startup animation multiple restarts and reinstalls produce’s the same results anyone else experiencing the problem ?

  7. it works great

  8. i have rooted my phone but still when i turn off the phone and restarts it after 5 sec with the instruction u have mentioned the phone does nt go into recovery mode. it starts in normal mode :\
    pls help asap!! :)

  9. hi there i’m trying to get in to the recovery mode as pressing the home and keep holding + power it shows only black screen , please advice

  10. is there any update available to fix this camera problem? ? if not then when it will be available??

  11. u say that camera is not working ..so how can we fix this problem after updating to 4.0 ?? is there any update available to fix this camera problem? ? if not then when it will be available??

  12. Does the 3G/2G work with the update?

  13. when i press and hold the home+power its goes into safe mod not to recovery mod. what should i do????????help plz.

  14. Ok so it says .p12 file not found on sd

  15. Does it work on rooted phones?

  16. i have a problem..when you said turn the phone off and after 5 seconds hold the home button then press power ON but it’s not going into recovery mode its just booting up as normal, have i done something wrong..? i followed the steps given.

  17. i installed and followed the instruction after i installed ics 4.0 im stuck in lg logo from the start up ive tried to reinstall it but nothing seems to change im still stuck on lg logo. before i installed ics 4.0 i currently using 2.3.6 firmware. how can i fix this problem? can somebody kindly help me.

    • try reinstalling it again or just wait, ive waited for 2h or so the first time as the system needs time to create cache

  18. Recovery mode and safe mode are different right?..the steps given takes the phone into Safe mode and not recovery mode..can u help on that please?

  19. Just want to confirm is this update turn my phone to Android version 4 (IceCream Sandwich)? or after updating I can install Android version 4 when available?


  20. Hello there, I reached upto the SAFE MODE, Right now My phone-LG GT 540 are in safe mode but not able to click or open zipped file. Do i need to install any other app so that system can recognize the zipped file.
    Please help.

  21. It does not enter in recovery mode. It enters safe mode. What can i DO ?

  22. Thank you i have managed to install the mod fine but i was wondering one thing why cant it play any online vidoes such as Youtube vidoes please help its important thank you

  23. Arent you supposed to delete cache and wipe system before installing ?

  24. Does it wipe out all your data on the phone?

  25. Can’t go in to recovery mode. What should i do?

  26. thanks its most awaited..!!!