Forum: BlackBerry Help
06-25-2012, 08:24 AM
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Replies: 1
Views: 1,057
8820 OS Update problem
I bought a 2nd-hand unlocked AT&T BB 8820 OS 4.2 from the USA. It works fine on my local South African GSM-networks but as soon as I update it to OS 4.5 I am unable to make calls or access BIS. It...
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Forum: Carrier Specific Issues
06-24-2012, 05:15 PM
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Replies: 0
Views: 8,382
AT&T 8820 update problem
I recently bought a BB 8820 OS4.2 from the US and it worked fine with my South African local mobile carriers. As soon as I update it to OS 4.5 It reverts to AT&T settings [cingular] and does not...
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Forum: BlackBerry Help
06-24-2012, 04:51 PM
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Replies: 2
Views: 1,576
8820 OS Update problem
I bought a 2nd-hand unlocked AT&T BB 8820 OS 4.2 from the USA. It works fine on my local South African GSM-networks but as soon as I update it to OS 4.5 I am unable to make calls or access BIS. It...
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