Upgrade Galaxy S Plus to Android 4.1.2 Jelly Bean via DoomNEXUS ROM
The Samsung Galaxy S Plus (Galaxy S 2011 Edition) has received a Jelly Bean build as a custom ROM named DoomNEXUS, it’s Android 4.1.2 Jelly Bean based custom ROM that is built from the CyanogenMod but has some extra tweaks, thanks to senior XDA developer member Doomsday94.
However the DoomNEXUS ROM is still being updated, some features aren’t working currently such as the camera app, hopefully developer will bring the camera soon in near future as well as will fix other bugs.
Read on how to install DoomNEXUS ROM for Samsung Galaxy S Plus I9001, make sure your phone is rooted with a custom recovery installed, check out our this guide to install ClockworkMod recovery and check this guide to install TWRP recovery. If your phone isn’t rooted, follow our this guide to root. Be sure to make a backup of your device data such as SMS, internet setting, contacts music files etc because the below procedure may wipe data, you can sync your contacts with Gmail account and for messages use SMS apps, lastly use file expert app to backup apps.
DISCLAIMER: Please proceed the below guide at your own risk, Android Egis will not be held responsible if your device lost data or gets damaged following this guide.
Step #2: Transfer both .zip files to the SD card of device.
Step #3: Turn the device off.
Step #4: Reboot the device into recovery mode by holding down the volume down and power buttons (Note: If you’re using ClockworkMod mode, use volume keys to navigate and power button to select).
Step #5: In recovery mode, create a nandroid backup of your current ROM, it’s important because if anything not work out that you expect from this ROM, you’ll be able to easily revert back to your current state. To create backup in ClockworkMod, select “Backup and Restore”, and then select “Backup” again, for TWRP select backup and scroll to start it.
Step #6: Perform full wipe, in ClockworkMod recovery first select the wipe data/factory reset, and in TWRP select wipe and then select factory reset.
Step #7: Return to main menu by selecting “Go Back”.
Step #8: If you’re on ClockworkMod, select “Install Zip from SD Card” then “Choose Zip from SD Card” and locate the downloaded ROM .zip file that you’ve transferred in above step and confirm installation, but if you’re TWRP, select “install” and locate the downloaded ROM .zip file.
Step #9: Once the ROM .zip file is installed, repeat the previous step again and install the Gapps .zip file in the same manner.
Step #10: Once the installation is completed, select “Go Back” after that select “Reboot System Now” to reboot your phone.
That’s it, enjoy the newer Android version – Android 4.1.2 Jelly Bean, if you faced any issue, do comment below and we’ll help.