08-24-2020, 07:42 AM
You're getting confused by the different boot order of two different ARM SoCs. The Pinebook Pro uses the RK3399 which has a different boot sequence to the Allwinner A64 in the PinePhone.
https://wiki.pine64.org/index.php?title=...t_sequence
https://linux-sunxi.org/Boot_Process
https://linux-sunxi.org/BROM#A64
https://bloggerbust.ca/post/how-to-updat...pinephone/
https://wiki.pine64.org/index.php?title=...t_sequence
https://linux-sunxi.org/Boot_Process
https://linux-sunxi.org/BROM#A64
https://bloggerbust.ca/post/how-to-updat...pinephone/