I rooted with z4 installed bootstrapper made a.nandroid backup installed titanium backup backed up all my apps and contacts installed overclock adjusted my cpu and frequencies and now my phone is slower and has some problems with signal and connecting with the net.... So I downloaded the 2.2 sbf and rsd lite and the drivers for the X. I want to go back to stock but I want to keep my apps and contacts... How do I do that... I just want to go back to stock and root just for wifi tethering... Help please....