Warning!
This tutorial is only for Galaxy S2 I9100. Don’t try this guide on any other Android device. Also, we are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.
Pre Requisites:
2. Make sure your device have at least 60% battery power. You can install an app like
Battery Notifier BT Free on your Android device to check it easily.
4. Make sure USB Debugging is enabled otherwise you won’t able to transfer file between PC and Galaxy S2 I9100. [
Guide].
5. Your device have latest CWM version 6.0.4.4 and up or TWRP 2.6.1 and up installed. [
Guide]
If you done everything that we mentioned above then you are ready to follow step-by-step guide on how to install Android 4.4.2 KitKat based OmniROM on Galaxy S2 I9100.
File Required(Download by clicking on it)
- Omni Android 4.4.2 KitKat ROM For Galaxy S2 I9100 [Filename: omni-4.4.2-20131215-i9100-NIGHTLY.zip]
- Google Apps [Filename: gapps-kk-20131119.zip]
How to Install Android 4.4.2 KitKat based Omni ROM on Galaxy S2 I9100
- Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
- Disconnect USB and then turn off your Galaxy S2 I9100.
- Now, boot into recovery mode. To do so, press and hold Volume Up, Home and Power button together until Samsung logo flash twice and then leave the button. You should see recovery menu soon. In recovery use Volume Keys to navigate between option and Power or Home Key to select an option. Alternatively try this: Recovery Mode without Key Combination.
- Perform a Nandroid backup of your existing ROM that you can restore later if this new ROM not work or you want to go back into your previous ROM. To perform a backup, select Backup and Restore, then on the next screen, select Backup again. Go back to main recovery menu after backup is complete.
- Now, perform data wiping task. To do so, select wipe data/factory reset, then select Yes on next screen to confirm your action. Wait few minutes till the data wipe is complete. Now come back to CWM recovery main menu. Select wipe cache partition and after wiping process done, select Wipe Dalvik Cache under advance option to perform Dalvik cache wiping.
- Select install zip from sdcard, then select choose zip from sdcard. Now, locate the OmniROM Zip file that you copied earlier in Step 1 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next screen. The ROM installation will begin.
- Once the ROM installation process end, repeat the step 6 but choose the gapps-kk-20131119.zip file instead of ROM zip to install the Google apps package.
- When installation is completed, go back to the main recovery menu and select reboot system now to reboot your Galaxy S2 I9100 and boot up into rooted Android 4.4.2 KitKat ROM Omni.
- Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.
Congrats! Android 4.4.2 KitKat firmware based custom ROM Omni is now installed and running on your Galaxy S2 I9100.