I just unlocked a blackberry 8100 from t mobile to use on the att network and the t mobile sim still works with my phone however when I put the att sim card into the blackberry I get a message on the phone...
It hasn't been unlocked, try again and follow these instructions:
Model : T-mobile BlackBerry Models
1 – On the Home screen, click the Tools icon. The Options screen
2 – In the tools screen, select the Settings icon.
3 – Scroll to SIM Card and select it. You should see the phone number
and the SIM ID number.
4 – Type ‘mepd’ to display the first five levels of SIM locking.
T-Mobile uses network locking so the Network should display Active.
All other states should display Disabled
Please note: For the Blackberry 7100t you will hit the “P” twice when
entering the ‘mepd’ and ‘mep2′ for steps 4 & 5.
5 – Type ‘mep2′ to display the dialog box asking for the unlock code
(Press the Alt + 2 key to get the number 2)
6 – Input the Network Unlock code
7 – Press ENTER and reboot handheld.
Model : BlackBerry Pearl 8100 (Alternative instructions if
above instructions do not work)
Can be done without a sim card inserted
1 – While on the home screen, click the “blackberry key” on keyboard,
then select “options”.
2 – Choose “Advanced Options”.
3 – Select “Sim Card”
4 – There is no area to type these letters, you just type them as
instructed. No need to hit keys twice to get a letter either. Type m e p
p d to display the first five levels of SIM locking. Most companies use
network locking so the Network should display Active. All other states
should display Disabled ( you will not see text appear on screen
while typing )
5 – Type m e p p 2 to display the dialog box asking for the unlock
(Press the Alt + 2 key to get the number 2) ( you will not see text
appear on screen while typing )
6 – Input the SIM Unlock code
7 – Press in the trackball in once
Your phone is unlocked
Jun 25, 2010 |
RIM BlackBerry Pearl 8100