Flash new OS on Pinephone?

[Potts]

Obviously a useful feature. I have a micro SD plugged in with Arch flashed on it. How do I install arch?

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Obviously a useful feature. I have a micro SD plugged in with Arch flashed on it. How do I install arch?

Never-mind I am a dingus. However I won't delete this in the hopes it may help someone out...

Insert your SD card in the top slot not the bottom!

[EDIT]

It now seems that OS's that I am trying to install are not booting properly. When an image is flashed with etcher and inserted (in the top) card slot, the OS should boot on launch, correct? Currently the screen stays black and a red light appears at the top left hand of the device.

[SpoofyKid]

Obviously a useful feature. I have a micro SD plugged in with Arch flashed on it. How do I install arch?

The Wiki explains most things like this: https://wiki.pine64.org/index.php?title=..._Jumpdrive

Most people prefer to flash to SD card first unless you're committed to the one OS. With a good quality SD card, you probably won't notice much difference in performance. Flashing to SD is quicker than flashing to eMMC. I'm not sure there is a way to install from SD to eMMC. I imagine the Wiki method is best. 

Good luck.

Edit: I just saw your update. That's a better way to get it working. I'll leave that info above just in case someone is unsure.