As per post 10 above yours, disabling sdio0 (in 0.7.9) gives stability to the nvme, but means nothing you do will get the onboard WiFi/BT to work. (The WiFi/BT card needs sdio0.)
- PinePhone BraveHeart now v1.2b 3/32Gb daily driver, Tow-boot with pmOS/SXMO on eMMC
- PinePhone Pro Explorer Edition, Tow-boot on SPI, Arch/SXMO on eMMC
- ROCKPro64 v2.1 2GB, 16Gb eMMC retired in favour of a fruity upgrade