Originally Posted by CVL
Is it possible to revert from Jelly Bean to ICS 4.0.4 without root? Thanks.
For your information, I finally find some time to work on this. And I did go back to ICS 4.0.4 without any problems (and without rooting) on my P3110.
In the end the most difficult part was to find the exact information that I needed out of all the information that is available out there...
* Firmware downloaded from the SamMobile firmware page
* Odin3 v1.87.
* The process description found in this thread
at the XDA Developers forum (with some more details found in the instructions here