The iPhone hacking community has released a hactivation patch to fix the “Different SIM detected” error.
to activate your iPhone without official iPhone carrier SIM (to get out of emergency mode).
it.
to unlock your iPhone .
homescreen.
Tap on the Manage Tab and then tap on Sources.

http://cydia.pushfix.info

After it is successfully installed, tap on the Search tab and search for Hactivation.
.
Then tap on the Install button and (more…)