Pre Requisites:
- Before doing anything, you need to back up all the data present in your device which you can do by following the tips mentioned below. Since there is a possibility that the data may get lost or corrupted, you need to backup as you can restore back the data easily by following the below mentioned steps. Please ensure that you don’t backup the data using the KIES as after this update, KIES won’t be working or detecting the device as you will be on the beta firmware.
Notes – Backup in the mail so that you can then restore manually
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 the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”
- Ensure that Device is at least left with the minimum of 50% battery charge after which enable the USB Debugging from the path “Settings > Applications > Development > USB Debugging” as shown in the below screen capture. Apart from this also, disable all the firewall tools along with the PC Suites and also disable the Antivirus in your phone as well as in your computer as these tools tend to interrupt the process of firmware update.
- Now, last but not the least, ensure that you Download Gingerbread 2.3.6 XWKPG Firmware package in your computer.
Let’s head to the next page for Procedure to apply Gingerbread 2.3.6 update in your Galaxy 551.

