I have an unrooted galaxy s2 for tmobile and runnin 4.0.4. When theres an update available how will i know? Everytime i tried to update it says no firmware. When i dial #1234# it says an error occured.
We've been tracking upcoming products and ranking the best tech since 2007. Thanks for trusting our opinion: we get rewarded through affiliate links that earn us a commission and we invite you to learn more about us.