Question about RIM BlackBerry Curve 8520 Smartphone
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Posted on Jan 02, 2017
first is try to check the sim card cover, then the sim card conector, "the 6 pins",, if it will not work go to the hardware check the sim card transistor , if it will not work go to the POWER IC, then it maybe the possibility ,, try it
Posted on Apr 05, 2009
Hi, make sure that DND feature has been deactivated on the phone. Let me knw if u need any help on this. Do rate, if it helps.
Posted on Aug 02, 2009
SOURCE: while i update mine blackberry
if you have deskstop blackberry software... 1, PLUG IN YOU CELFONE IN LAPTOP. 2. RUN DESKSTOP BLACKBERRY SOFTWARE 3. CLICK CONFIGURING UPDATE STEP BY STEP AUTOMATIC ONLINE UPDATE
Posted on Jan 31, 2011
Tips for a great answer:
1 - Switch ON your Blackberry 8520 with your current network/service provider's SIM card.
2 - Using the menu go to Settings Menu -> SIM card and press select.
3 - While holding the SHIFT key, type mepd.(NOTE: You may not see any text appear on the screen while typing mepd)
4 - You should now see the five locking categories listed.
5 - While holding the SHIFT KEY, type mep2.(NOTE: You may not see any text appear on the screen while typing mep2).
6 - Release the shift key.
7 - You will now be prompted to enter the Network MEP code. (it will also state how many attempts left)
8 - Enter the Unlock Code.
9 - Enter Return/Enter.
10 - The Blackberry 8520 should then be unlocked.
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