Optimus One P500

How to Restore Gingerbread 2.3.3 V20B Firmware on LG Optimus One

LG Optimus One LogoSo, after applying any version of the Custom ROM if you wish to revert back to the Indian Official release then we will guide you to come back to the latest Indian release of Gingerbread V20B which is the Gingerbread 2.3.3 version. Please note that this update is the official update which is released by LG Electronics and can only be applied to the LG Optimus One P500 phone. This procedure will bring a huge respite for all the users who have installed the buggy custom firmware and would like to return back to the stock firmware which is the official one. Also, another advantage of this firmware is that you can also reclaim the warranty as it will revoke the root access. Last time we saw on how you can update your phone with the Gingerbread 2.3.4 Firmware version.

So, before we proceed you need to ensure that you have the following requirements satisfied.

  • Windows Based computer with a minimum of Windows XP SP3+ (Mac or Linux based computers won’t be supported),
  • Admin Rights in computer with Full Read / Write

Disclaimer: We should not be held responsible in any manner if any damage happens to your device which is a very unlikely event if you follow the instructions carefully.

Now, after this you also need to follow the list of pre Requisistes which are mentioned below before going to the procedure directly which is mentioned in the next page.

Quick Pre Requisistes:

  • In the process of the firmware update there are chances that you will be losing all the data which is there in your phone memory or also sometimes it may get corrupted. So, it’s better to create a backup of all the data which is there in your phone so that you can easily restore the same.

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

  • Up next charge your phone with the minimum of 70% so as to ensure that the phone doesn’t get turned Off in the middle of firmware application process.
  • Enable the USB Debugging in your phone from the path “Settings > Applications > Development > USB Debugging” as shown in the below screen capture. Also, close all the softwares like Antivirus, Firewall and PC Suite in your computer as these tools tend to interrupt the process of the rooting.

USB Debugging

  • Disable all sorts of Lag fixes if there are any which you have applied in your phone or else you will face issues like non updation of device.

So, let’s now proceed to the next page where we will see on how you can apply this firmware in your phone easily.

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