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What actually happens in these cases? My phone was stolen so I contacted service provider to scramble/Barr the mob number and that was done. Next I ordered a replacement sim and was able to keep old mob number so I did. Then have reactivated all applications onto new device which is super special......however I'm unconvinced, is all the personal data from the stolen device removed/transferred and irretrievable now? Is there a way they can still use my old device and access my personal data??