See reuse SD card on how to format the microSD card properly, including wiping the residues of u-boot. The phone will also try to boot from microSD cards, which were previously flashed with an OS and formatted later, causing the phone to fail to boot. Note: Booting from USB is not supported by the hardware, a live USB stick will not boot. It is not possible to lock themself out of the phone when the installation on the internal storage (the eMMC) fails, as a correctly flashed microSD card will always boot. It is therefore recommended to have a microSD card handy. The PinePhone always boots from the microSD card first. 5 Reuse SD card for data storage on system booting from eMMCįor details regarding the boot priority on the PinePhone Pro see PinePhone Pro#Boot order.4.1 Resize SD card's partition using a computer.
