Default Samsung Galaxy S ROM for cherry mobile s100/Karbonn A9+/A15/A21

1)Root your android

2) Download CWM recovery.

3)Download the .zip file.You can get the link easily on the Google.

4)Extract the files on your computer.

5)Put your your android on Fastboot mode.To reboot your android in to the Fastboot mode,

a)Swtich off your mobile.

b)Press volume up button and power button simultaneously. Press until screen appears Green.

c)Connect your mobile to the PC

6)Now,open the batch file from extracted files and simply follow the instructions.Its very easy.

7)It will Automatically restart.

Done!

Features-

-Cleaned up
-MUCH better Ram usage
-Cache Cleared at every boot
-SD speed tweak
-Logger removed
-Better browser performance
-Sysctl tweaks
-Added modified Zram script
-Better battery life
-Lag? GONE
-Faster GUI
-Loopy smoothness tweak
-Apps zipaligned at every boot
-Faster Networking
-Smoother LWP animation
-Adrenaline boost
-Kernel Tweaks -Better gaming
-adblocker exemption created for ad.fly



*Do it on your own risk,i am not responsible for any kind of damage!

For any assistance contact me at swarupbam@gmail.com