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Root Newb Question: ROM Flashing - Phone Info


I'm a Linux geek and just got my Samsung Galaxy S I9000M (Canadian Model)

I would like to try out some custom ROM's, but I don't know enough about the results of flashing the smart phone.

Will my cell provider info be lost?

If so, can it be re-entered, if I record the info first to paper?

Will the phone still be unlocked, I used the XDA suggestion to get my unlock code from a phone system file before I upgraded to 2.2. The un-lock is still in place as I can use any Canadian SIM from the varied providers, this option I want to keep.

Tks for any info.


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