A few months ago I dropped my phone (Samsung Galaxy A70) and the screen broke. Got a new phone, problem solved. But there is some data on it that I forgot to include in my backups. Very small files but important for achive purposes.

Screen (touch input too) and the speaker are dead. I know the password (obviously) but how will I go around doing this? First thing that came to my mind is connecting the phone to a computer via USB. But there are some obstacles.

The phone is rooted and has LineageOS 20 (and Lineage Recovery) installed. The phone is on vibration or muted mode. Therefore an external speaker isn’t of much use. The OS is most likely fully functional. I can tell when the screen is on and not by holding the power button. If it’s on, it will vibrate which indicates the power menu has openned. If it’s off, the flashlight will turn on.

Phone has a USB-C 2.0 port and the wireless cast doesn’t work due to Google Services being absent (apparently) so no video output. First thing I tried doing is just straight up connecting it to a computer. Obviously it didn’t work because I didn’t unlock the phone and a security feature that only uses USB for power unless otherwise is told is active. That setting can be changed via a notification. So I tried connecting a mouse and keyboard. I couldn’t if anything was happening or if the peripherals were connected at all.

So what do I do? I’m thinking of booting into Lineage Recovery and see if I can do anything with ADB or fastboot. But probably not since the data is encrypted.

  • loki
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    11 months ago

    Does the device boot up completely? did you have usb debugging enabled? Is your from PC approved to use USB debugging?

    If your PC is already allowed to used adb, you could try scrcpy to see if you can get the screen to mirror.

    If your PC isn’t approved for USB debugging, you could try using a mouse through the USB port. You might need an OTG cable for this. I’m not actually sure about this as I haven’t tried this myself but a mouse should work as I’ve heard.

    • QuintusOP
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      11 months ago

      No it’s not approved. But scrcpy has an OTG mode that doesn’t require debugging enabled. So I’ll try that.

      Good news is the keyboard works. Hitting “Print screen” takes a screenshot.