Plug in SD Card
Open Disk Utility
Erase full disk
Open Terminal
Check disk name df -h
Disk name = /dev/disk2s1 (assumed name, check)
In Disk Utility, Unmount the SD Card, leave SD Drive in slot
Go to Terminal
sudo dd bs=1m if=~/Downloads[imagename] of=/dev/rdisk2
sudo diskutil eject /dev/rdisk2
remove SD Card
For Mac OSX, download iNet from the AppStore.
For iOS, download iNet from the AppStore.
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