If you got the guts you may try out the release candidate of Ice Cream Sandwich for your Droid Razr, but its only for CDMA not GSM.
This guy yalkowni at XDA will show you guys the method how to do it, hit here for the link.
It is waiting for testers to download and test that sits in the Motorola’s staging server and OTA version.
Source: Android Central
Recent Comments