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i have the galaxy S6 Edge don't know google account password is there anything i can do to use the phone the phone says there was an unauthorized factory reset i purchased the phone second hand and can no longer find the person i purchased the phone from

marked as duplicate by Andrew T., Izzy Jun 12 '16 at 12:54

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You need to flash new ROM using Odin. Before you do it, wipe the /system and /data partition. If this don't helps, you probably need to take your phone to service.

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