jelly bean install on unrooted bionic that's running ics

[farad26]

If i already have a copy of jelly bean 4.2 in a zip file can i install it on an unrooted droid bionic?

 

[anon(847090)]

If i already have a copy of jelly bean 4.2 in a zip file can i install it on an unrooted droid bionic?

if the jelly bean 4.2 you got is the official release for your device. else No