Question about Computers & Internet
Posted by Anonymous on
If your Blackberry 8700 mobile phone displays invalid sim card message on screen,it is due to network lock.You need to unlock it.Visit the site Prounlocking.com get unlock code and unlock from service provider lock easily.Check whether unlock code is available for your network and country it is locked now.If it is available get it and unlock.
Posted on Jul 18, 2013
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Posted on Jan 02, 2017
This seems to be the multimillion dollar question for Blackberrys and here is how this works.
There is no "magical"code for all BB's
Each Blackberry is item specific based on your IMEI which is located on the inside of your battery compartment.
Your best bet is to go to eBay or similiar and find your blackberry and look for the cheapest unlocking program. AT that point you will be able open your Blackberry.
Posted on Jan 08, 2008
SOURCE: Invalid sim
1. (easyer way) When I got my Blackberry, I had to put it in a couple of times for it to work.
2. Buy a new sim card.
If this does not work, then check to see if it is unlocked.
Posted on Feb 05, 2010
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