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unit: 8820 at@t
problerm: invalid sim (need to unlock)
action taken: read mep and calculate and then put the mep code...\
BEFORE
Model : Curve, 8300, 8310, 8320, 8800, 8820
Must be done without a sim card inserted & wireless radios must be turned off.
1. Go to settings.
2. Go to options.
3. Go to advanced options.
4. Go to sim card.
4. Hold the ALT Key while typing in MEPE or MEPD or MEPPE or MEPPD ( not case sensitive ) ( you will not see text appear on screen while typing ).
5. It will say "Enter Network MEP Code, then you type in the unlock code, press in the trackball to confirm.
6. Your phone is now unlocked.
problerm: invalid sim (need to unlock)
action taken: read mep and calculate and then put the mep code...\
BEFORE
Model : Curve, 8300, 8310, 8320, 8800, 8820
Must be done without a sim card inserted & wireless radios must be turned off.
1. Go to settings.
2. Go to options.
3. Go to advanced options.
4. Go to sim card.
4. Hold the ALT Key while typing in MEPE or MEPD or MEPPE or MEPPD ( not case sensitive ) ( you will not see text appear on screen while typing ).
5. It will say "Enter Network MEP Code, then you type in the unlock code, press in the trackball to confirm.
6. Your phone is now unlocked.