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just bought an used phone. is it secured?

luv2liv

Diamond Member
Dec 27, 2001
3,323
83
91
just bought an used phone from swappa. a Samsung s8 model
it arrived with the welcome screen as if it has been factory reset. i went ahead and did a factory reset again just to be sure.
how can i know if there are no back doors, keylogger, or malware waiting to siphon my personal data?
 

s44

Diamond Member
Oct 13, 2006
9,421
16
81
If you're paranoid, just reflash a full image with Odin.

Make sure you match the exact device model.
 

luv2liv

Diamond Member
Dec 27, 2001
3,323
83
91
it's been awhile since i mess with custom roms. totally forgot about that option. thanks!
 

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