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Samsung i600 pda hard reset
More Hard Resets
There are several other ways to do a hard reset. To enter either of the hard reset modes, you must turn the device off first.
First method:
Press "0 + 4-way navigation key UP + Power" simultaneously. After the phone prompts for reset, press 1 and then Y.
Second method:
Press "6 + # + Power" simultaneously.
Format Mode method:
Press "OK + Power" simultaneously.