i rooted my phone and then opened build.prop editor. then by mistake i changed the heapsize= 1024m (originally it was 128m) and seems that my device only has 512 mb ram. so when i restarted the tab it got stuck on the manufacturers logo. even if i am trying to go to the menu opened by power+volume down button, this is only happening. other than dat i did nthing . PLEASE HELP!!!!i am new to xda forums and am a kid of 15 and dont know much abt android . pl help.