Install image on Pinephone

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


diskutil list

/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


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)