Extracting Data from an SM-G550T1

Azryael · 2022-05-11T21:58:47Z

Hi all, new here, but have a question concerning retrieving data from a Samsung Galaxy On5 (SM-G550T1) that's apparently had some rooting attempts or something done with it (perhaps bad update) and it never fully boots. Safe mode does not work either. Upon entering recovery mode the console outputs a dm-verity verification failure, which as I understand it means it's a soft-brick to "protect" the device. FRP is enabled, so using AXIOM's recovery images don't work either because loading of custom binaries is blocked. I know I can load a fresh ROM using some tools (Odin3) but that results in a factory reset wiping all that data. I've tried to access the phone as is, via Cellebrite to make an image of any data I can, but assuming that the phone is unable to boot into the OS all the way, Cellebrite is unable to actually access the device even at a file system level. The goal was to keep this non-destructive, and as anything beyond Android 6 typically has encryption on the modules, a chip-off is likely not the answer either. I've been able to get it to show a "MetroPCS" splashscreen three times, but each time the device freezes at that screen and nothing else happens even after allowing several minutes to an hour pass. We did order a factory replacement battery as I know they can sometimes cause boot issues if a cell is bad or some other internal component has given up the ghost. Looking for some feedback on a way forward. Thank you!

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Azryael

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Topic starter 17/05/2022 2:10 am

Update - the other guy couldn't get into it either. I'm 99% sure this is now a hardware fault.

We'll see what happens from here. If I get the device back, I'll take some time to examine the circuitry myself to look for any obvious damage, if nothing can be readily found, I'll look at both Dido's and Arcaine's suggestions.

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