Problem from these apps in your phone Pop-ups ads every mint. Auto install unwanted apps. Hanging. WiFi or Data Connection Automatically Connect. Not uninstallable apps. Now Follow My Steps. Power off your phone and remove SD card or SIM card after removing now power on your phone. Now Go Menu/ Setting/ Developer Option tick mark Debugging option. Go back click security tick mark unknown sources. Now Connect VIA USB Cable with your Computer. Open iRoot Tool. Wait 2 seconds for detect your phone. after detect your phone click Connect button. wait for connecting after connecting your phone click root button. after successfully Root you are show a message and your mobile restart automatically. After restarting your phone open Romaster tool. wait 2 seconds for detection Click Apps Menu (he is the top right side off the screen) than click Builtin apps option (he is the left side of the screen). Now select tick mark all unwanted apps for remove(porn clips etc) and uninstall button (uninstall button top bottom screen X letter style) and click yes button (he is the left option of the screen). After deleting these apps open iRoot tool click Unroot button. After restart your mobile Go Menu/ Setting/ Backup & Restore. Click Restore your mobile. 1st iROOT and 2nd Romaster after download install in your computer these apps.