Please Note :-
Dual Boot can be installed only from a Sammy ROM Jelly Bean or AOSP CM10
If you’re running ICS or CM9, go your way
Samsung J2 Core SM-J260A U1 Combination File
A Samsung J2 Core SM-J260A U1 Combination File is a test mode that does not have the effect of fixing the hardware, but only the test function of the operation or damage. However, a …