How to root android device without using computer
You can easily root your Android device from the below steps.
1: Download the framaroot link application in your PC and transfer it in your phone Or you can directly download in your android device.
2: Install the apk file.
3: Run the application and select option (install superuser).
4: After this a list of exploits appears select one of them.
5: Wait until it complete its work if its show (success) then your device is rooted successfully.
If it shows (failed) then try other exploits in the list.