Don't know how to unlock my mobile device to all networks (O2)
Some (smart)phones are locked to the carrier (operator) they are purchased from. This means that you can only use that (smart)phone only with a SIM card of the carrier you bought your (smart)phone ... See all
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Solutions (1)
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Contact O2's support
0(0)0(0)If you purchased your cell phone or smartphone from O2 and you are unable to use it with a SIM card from a different operator, try calling them on 0800 - 52 51 378 or 089 78 79 79 40 9.
You can also have a live chat with them if you click here.
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