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Appreciate any help. I am looking to download older version of Raspberry Pi Imager. The reason is I need to download ubuntu 16.04 arm64 for Pi 3B and Pi4B. The latest imager dooes not show thsese releases in the list when we open the tool. I downloaded ubuntu 16.04 arm64 for Pi 3 and Pi4 from ubuntu site and imaged to sd card and does not work. I think if i download using pi imager will work.

Thanks for any inputs.

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    Probable cause is the image size: raspberrypi.stackexchange.com/q/111236/5538 – goldilocks Apr 25 at 15:00
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    Download the images separately and use balenaEtcher to flash them. NB: I haven't tried this particular combination, but Etcher hasn't failed me yet. – Bob Brown Apr 25 at 15:32
  • thanks for the reply, but already used Etcher, but did not boot my Pi3B and Pi4B..not sure.. – user118802 Apr 25 at 15:44
  • I just tried this also, but Pi3B does not boot ? dd if=ubuntu-16.04.4-server-arm64.iso of=/dev/sdb1 bs=100M – user118802 Apr 25 at 15:52
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The wrong part is

dd if=ubuntu-16.04.4-server-arm64.iso of=/dev/sdb1 bs=100M

You are trying to flash a device image into a partition. You need to flash it to the block device itself, i.e. /dev/sdb.

The same issue is possible in Windows, but the terminology will change from one program to another. In some programs partitions are called disks.

| improve this answer | |
  • thanks, with this I am getting error: dd if=ubuntu-16.04.4-server-arm64.iso of=/dev/sdb bs=100M dd: failed to open '/dev/sdb': Permission denied – user118802 Apr 25 at 17:48
  • Run it as root. And make sure you've selected the right device, there will be no second warning before the device is overwritten. – Dmitry Grigoryev Apr 25 at 17:49
  • Thank you, i am able to flash now after running as root, but the Pi does not boot?? dd if=ubuntu-16.04.4-server-arm64.iso of=/dev/sdb bs=100M – user118802 Apr 25 at 17:56

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