you could have searched....
you can downgrade using the old typical way, by using flashtool
just download the ics ftf for your phone and region, backup all your files and data. Then simply flash the ftf to your phone using Flashtool
Here you go. You can find it in this link:Can you give me the link that i can find all of ICS tft from any region ?.
*sorry noob*
Can anyone give me the step that can downgrade Xperia J 4.1.2 to 4.0.
Step by step needed. Help me.
Thankss