I have an old Samsung phone with a broken screen and pass code but before I try to unlock my phone I want to know if there is any possible way to know if it has been factory reset because if it has then I won't need to open it. I would also like to add that I have a different phone that has been factory reset so is there anyway to know if it has a backup?

  • How old? some phones can be flashed on locked bootloader, means availbility to flash adb enabled boot or recovery. some phones aren't encrypted, allowing raw dump of userdata partition
    – alecxs
    Commented Mar 29, 2021 at 11:36
  • Honestly I'm not sure but it looks quite old, it has a duos symbol in the right hand corner and it's smaller than Tha palm of my hand with a rectangular Shape. Can I send u a Pic? Commented Mar 29, 2021 at 13:04
  • this should work for any Spreadtrum chipset, except no fastboot available, but you can gather information from heimdall and/or custom recovery (or even dump/flash boot partition straight from adb commands while on custom recovery) android.stackexchange.com/q/232319
    – alecxs
    Commented Mar 30, 2021 at 13:04
  • combination firmware should have adb enabled by default, can be flashed without data loss. SuperSU for j1minive3g should work too, but not sure about this will wipe data
    – alecxs
    Commented Mar 30, 2021 at 13:28
  • you should be able to reach download mode and flash TWRP custom recovery with heimdall. you can't copy files if device is encrypted, but you can modify boot or system from twrp adb shell. report back once you have adb shell, will give you instructions
    – alecxs
    Commented Mar 30, 2021 at 13:32


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