Ok...I was Z4 rooted...defrosted all apps on Titanium Backup Pro...went back to stock on DroidX Overclock...used Z4 1 click unroot...accepted the 4.5.596 update...it will download reboot but prompts me that the update was unsucessful... Here is what I'm currently on... System version is 2.3.340.MB810.Version.en.US Android version 2.2.1 Kernal version 188.8.131.52 ERI version 5 I guess I should ask what is the 4.5.596 update? Another question for the bad a!@ members here...I cant get my corporate Exchange to auto sync. Im getting my inbox but it has a significant lag to it...please help?