Hi there , try to remove the battery pack if and try turn on, if not try to factory hard reset press the power button + volume down (sametime) then if you see recovery mode select the factory reset all datas,, then after that it will reboot it self if still not working try to send your phone to the repair service they will do some reprograming
Hi, suggest you to installed google chrome browser which is stable and fast engine.. but if you dont like just update your injternet explorer just goto microsoft website and search it. i hope this helps cheer's :-)