I have seen such a case when one my friend forgot the password of his memory card of his mobile phone and he have some very important data in the memory card which he want to recover, he tried almost everything then he lost hope and then asked the mobile phone company to find the way to recover the data from the memory card.

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*01763*8371# (*01763*VER0#) — Firmware Version.

*01763*3641# (*01763*ENG1#) — Enable Engineer Mode hold pwr key to leave then disable.
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To connect the O2 customer care free of charge, dial 4444 for the top up line, it will ask you to press 1 to continue but don’t, press 2 instead and it will divert you to the customer care free of charge.

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