http://www.slickgate.com/gevey-supr...phone-4-dia-112-once-and-forget-it_p2321.html
(you need to dia 112 ONCE when first to use gevey supreme, no need to do it again when re boot the iPhone):
Step1. Turn off your iPhone and insert your Sim card and GEVEY Pro Sim
together with the metal Sim tray provided.
Step2. Turn on your iPhone and wait for the SIM WELCOME menu
to show and then select accept
Step3. At the beginning ano service message will show on your iPhone,
DONT do anything and wait until you see one signal bar appears on
the top left corner.
Step4. After you see the signal bar dial112and hang up within 2 seconds.
Step5. Turn on the Airplane mode and then turn off right away.Your iPhone
will show SIM Failure and then No SIM Card Installed
Step6. Until the No SIM Card Installed messages shows up turn on the
Airplane mode again and turn it off right away again. The SIM Failure
messages will show and the signal will show up after a few seconds.