I've been trying desperately to restore factory settings on my samsung u700v, which is locked on vodafone firmware.
My problem is the phone automatically saves the top three numbers you text on the phone, and suggests those numbers when you're trying to send a message.
I want to pass on this phone and I don't want the new user to have access to these numbers, I checked if those numbers were still there when I put another sim card in, and they were. So am i right in thinking if i reset the phone, those numbers will disappear.
The only information i've been able to get is to flash my phone with some samsung software, but i have no idea how I would do that without melting the phone.
Thanks very much for your help.
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Admin Settings: *#6984125*# Admin Settings Internals (sub menu): *#9072641*# Developer Settings: *#0523# Camera test mode: Press *#36287# key string in the dial screen to enter camera test mode -  Auto focus [On]  ISP firmware write  ISP firmware version check
 Press the "1" key to disable auto focus. In order to enable auto focus, press the "1" key again.
 Press the "2" key to write the ISP (Camera Module) firmware. “ISP firmware write [Please wait]” will be displayed during 2 minutes. Then "ISP firmware write [SUCCESS]” will be displayed when the firmware upload finished.