I rooted my Samsung Galaxy Tab 2, and now there's extreme UI lag everywhere; about 2 fps.
How can I undo this? I flashed it using heimdall. I'd like to revert back to the original firmware but I can't figure out how.
Use odin with your firmware.Power+Volume down.Download from Firmwares | SamMobile locate your country and download.Extract and put on desktop then go to pda and select the MD5 file.Enjoys.If someone goes ban PM Me.