`` How to Update Korean LG Optimus Black KU5900 with Official V20L Firmware - Android Advices

How to Update Korean LG Optimus Black KU5900 with Official V20L Firmware

Pre Requisites:

  • First up you need to backup all your data which is stored in your phone as in the process of the firmware update there is a possibility that the data in the phone memory may get corrupted. We have mentioned below some of the tips with which you can back up your data.

SMS Messages – Use “SMS Backup & Restore app”,
Contacts Stored in Phone Memory – Sync with the Gmail application,
Call Log - Call Log and Restore
Videos, Images, Videos & Files etc.– Copy to internal / External SD Card,
Internet & MMS Settings – Backup all the settings from “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names

  • Enable the USB Debugging from the path “Settings > Applications > Development > USB Debugging” as shown in the below image. After this you need to charge your device with at least 60% so as to ensure that the device doesn’t get turned Off in the middle of firmware update. The minimum charge left in your phone should be minimum of 60% so as to just ensure that the phone doesn’t get turned Off in the middle of the firmware update.

So, now let’s proceed to the next page where we will see the procedure to apply the firmware update of V20L in your LG Optimus Black KU5900.


5 comments

  1. when i click the link for kdz theres an error message.

  2. Hi, can you please do a tutorial on how to update KU5900 to official ICS which is released recently. And also please provide all necessary applications to be downloaded. Apparently, I can not get my phone to Emergency Mode by pressing Volume up and the back key. Appreciate your effort. Thanks:)

  3. Hye neal and yogesh waiting an update for galaxys gt-i9000 since 5 days can you tell me tha date off the new rom will release i want an rom bether than xxjvt i am using xfjva it s good and i wanted to say you A LOT OF THANKS FOR THE BLUETOOTH TODAY MY FRIEND WITH HIS NOKIA WANTED THAT I SEND HIM AN MUSIC BUT WHEN I WAS GO IN BLUETOOTH SETTINGS I WAS SUPRISED BECAUSE BEFORE WE HAVE GOT 115 VISIBLE NOW UNLIMITED JUST WAITING AN DECENT ROM THAN XXJVT WITH BETHER PERFORMANCE BETHER WIFI AND BATTERY BACK UP AND LAST WITH MORE GOOD FUNCTIONS JUST CANNOT WAIT GUYS!!!!! JUST TELL ME THE DATE

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About Pradeep Neela

Friends call him Droid Geek because he tries out different ROM’s everyday and helps droid users experience better features on their devices. Add +Neal Pradeep on Google Plus for more Updates.
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