Samsung non working codes fix

[MaritimeMobile]

If Samsung code dont work , try this before reporting code not working , most of the time it worked for me and saves time and hassle (98% fix)

1. Please power on the device with a non accepted SIM card inserted, make sure the phone prompts for a SIM network unlock PIN
2. When asked for the SIM network unlock PIN, please select dismiss and follow the steps below :
a. Go to the Dial pad and dial *#197328640#
b. Please click on number [1] UMTS > [1] Debugging screen > [8] Phone Control > [6] NETWORK LOCK
c. You will see 3 options
d. Please click on number [1] Perso Sha256 INFO, the screen will change slightly
NOTE: If you see ENABLE_FLAG[1], contact us. If you see ENABLE_FLAG[0], continue on.
e. Please hit the MENU button then when the menu pops up please carefully hit BACK to return to the previous screen
f. Please click on number [2] Perso Sha256 ON, the screen will change again to a one line message
NOTE: If you see ENABLE_FLAG[1], contact us. If you see ENABLE_FLAG[0], continue on.
g. Restart the phone on the screen by holding the power button and click RESTART
h. When the phone prompts for the unlock code simply enter the unlock code
i. Your phone is now permanently unlocked

[jocasa]

I no UMTS option appears