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Old 04-18-2011, 01:47 PM   #1
New Member
Join Date: Apr 2011
Model: 8520
Carrier: O2-UK Unlocked
Posts: 11
Default Just a little Question regarding my BlackBerry Curve 8520..

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Hi All..

Just a Little question I'd like to ask..
Is their any simple way I can downgrade from OS5 to OS4.7? Or an upgrade from
And also, if I was to change OS version, would my BlackBerry lock itself back to its default network? I was on Orange but I got my bb unlocked so I could go on o2..

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