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Long story, I have a Raspberry Pi 3 Model B and the only device I own that can write a Raspbian image to MicroSD is my Android phone. I have copied the image from my laptop to my MicroSD, but I am puzzled as to how I can write the IMG to the MicroSD, as rooting will void my warranty. MicroSD is necessary since the Raspberry Pi will not boot from USB.

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  • Not possible to access block devices without root.
    – Irfan Latif
    Commented Jan 8, 2020 at 1:12

1 Answer 1

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  • Copy the IMG file to the internal storage
  • Download EtchDroid [NO ROOT] - Write ISOs and DMGs to USB from Play Store
  • Select raw image or ISO (do these steps after the SD card has been plugged in)
  • Select the IMG file and the SD card
  • Wait until it completes the progress (it is possible to check the progress in the taskbar/notification)
  • Done
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  • 2
    The app makes use of USB host APIs to access USB drives, not SD cards.
    – Irfan Latif
    Commented Jan 8, 2020 at 1:11
  • 1
    EtchDroid reports sd card as an unsuitable usb!
    – William Brown
    Commented Feb 16, 2021 at 17:18

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