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Posts: 17 | Thanked: 18 times | Joined on Oct 2012 @ India
The pins that connect to the sim r damage. There is a tiny switch inside the N9 to recognise SIM. Perhaps it doesn't work properly anymore. Punched SIMs can shortcut. You can open the device following these instructions: … If you don't dare yourself, let someone do it 4U.
These links will b handy