F(x)tec Pro1 X
解決"error: Cannot generate image for userdata"問題
問題如下：
$ fastboot format:ext4 userdata
Warning: userdata type is f2fs, but ext4 was requested for formatting.
mke2fs 1.44.5 (15-Dec-2018)
Warning: RAID stripe-width 1 not an even multiple of stride 2.
/tmp/TemporaryFile-hADjY5: Unimplemented ext2 library function while setting up superblock
/usr/lib/android-sdk/platform-tools/mke2fs failed with status 1
mke2fs failed: 1
error: Cannot generate image for userdata
解法：使用新版platform-tools，如：platform-tools_r33.0.3-linux.zip