I'd like to use ext4 on my SD card, or anything besides fat32 really. Something which supports files > 4GB in size.

Unfortunately, unlike it apparently was back in the day, now ext4 and even exfat-formatted SD cards are met with a message like "filesystem missing or not supported, click 'okay' to format", which when clicked, causes android to happily reinstate a fat32 filesystem.

Is there any way around this on an unrooted system?
Or am I stuck?

  • ... and any Storage Access Framework-degraded Android? :) – Jesse Adelman Jul 24 '17 at 18:34

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