After updating to Factory 4.1.2 ROM (January 2013 Build N7100OZSDMA6), I rooted my phone (using Odin) to fix a wifi problem caused by the 4.1.2 update. I replaced the 4.1.2 wifi files with the 4.1.1 wifi files. My wifi now functions properly, and the phone is still rooted and I have not reset...