Install image on Pinephone

According to Copying an operating system image to an SD card using Mac OS steps are

Info

diskutil list
(snip)
/dev/disk4 (external, physical):
 #: TYPE NAME SIZE IDENTIFIER
 0: FDisk_partition_scheme *32.0 GB disk4
 1: DOS_FAT_32 NO NAME 32.0 GB disk4s1
(snip)

Unmount

Take disk identifier and unmount disk

diskutil unmountDisk /dev/disk4

Disk dupe

Make sure to have r for raw prefixed to the output disk identifier!

dd bs=1m \
 if=/Users/clemens/Downloads/pine64-pinephone-20200726-phosh-v20.05-installer.img \
 of=/dev/rdisk4; sync
3482+0 records in
3482+0 records out
3651141632 bytes transferred in 191.712280 secs (19044902 bytes/sec)