Here is the Samsung Galaxy S2 I9100G Smartphone’s best and latest custom firmware ROM parandroid Custom ROM Firmware available to update unofficially. This is a Parandroid based Android 4.2.2 Jellybean ROM firmware for SGS2 I9100G modeled smartphone. Samsung Galaxy S2 I9100G is an android V2.3.4 Gingerbread powered smartphone then updated to Android V4.0.4 Ice Cream sandwich also Android 4.1 Jellybean officially. If you have own SGS2 I9100G then here is the procedure to update your device to Android 4.2.2 Jellybean ROM.
Precaution while installing Parandroid based Android 4.2.2 Jellybean ROM firmware on your Samsung Galaxy S2 I9100G to be safe
Backup everything from your mobile data example Images, Video, Document file, Contact and settings. It proves as intelligent step in case, the update process does not go right or any data damage we you can easily restore.
Simple back up guide Use “SMS Backup & Restore app” for SMS, Sync with the Gmail application for contact, Images, Songs, Videos, Files – Copy to internal / External SD Card, Note down from the path “Applications > Settings > Wireless and Network > Mobile Networks > Access Point Names”- 3G or 3G network APN and MMS Settings.
Enable USB debugging option by checking this path link “Settings > Applications > Development > USB debugging”.
Keep minimum of 60% battery back up to install successful firmware without any interruption (switch off)
Samsung Galaxy S2 I9100G should be Rooted and Clock Recover mode installed
Downloads:
parandroid Custom ROM Firmware Package
Google Apps- pa_gapps-full-4.2-20130209.zip
Install Unofficial Android 4.2.2 Jellybean Firmware ROM to Samsung Galaxy S2 I9100G:
Download both the files to your local hard disk on PC or laptop from above mentioned download links.
Connect your Galaxy S2 to PC via USB cable or Wi-Fi and transfer or copy both downloaded files to your internal MicroSD Card.
Note: Make sure your mobile running a proper working ClockworkMod-Recovery
Turn off galaxy S2 and Boot into Recovery (CWM Recovery) by following this simple step hold Volume UP + Home + Power button simultaneously or use ROM Manager app from the Google PLAY Store and select the option of “install clockwork mod recovery” > reboot into recovery.
Use Volume Up or Down button for Recovery Menu navigation
Go to choose from SDcard or install ZIP from SD card and select Parandroid Custom ROM Firmware Package and Google Apps Package and install it
After both files got flashed DO A DATA WIPE / FACTORY RESET (otherwise your device will be stuck at boot)
That’s it Reboot your Galaxy S2 device and your device ready to get Parandroid Custom ROM Android 4.2.2 Jellybean features.
Check your Android version at “Settings > About Phone > Firmware Version” and make sure your device successfully updated to Android 4.2.2.
Disclaimer and Warning
The above unofficial Parandroid Android 4.2.2 Jellybean Custom ROM installation may lead to your device’s hardware and software damage and your device lose warranty info, but you can hardly get back original ROM. So follow the process at your own risk and we are providing this tutorial for educational purpose only.