You need to get the new kernel back on the SDcard to boot it. Something like
ps - good luck with 5.4 - be ready to manually edit your SDcard to revert to 4.4 if your luck is anything like mine, see this thread.
Code:
sudo mount /dev/mmcblk0p7 /mnt/
sudo rsync -ax --delete /boot/ /mnt/boot/- ROCKPro64 v2.1 2GB, 16Gb eMMC for rootfs, SX8200Pro 512GB NVMe for /home, HDMI video & sound, Bluetooth keyboard & mouse. Arch (6.2 kernel, Openbox desktop) for general purpose daily PC.
- PinePhone Pro Explorer Edition, daily driver, rk2aw & U-boot on SPI, Arch/SXMO & Arch/phosh on eMMC
- PinePhone BraveHeart now v1.2b 3/32Gb, Tow-boot with Arch/SXMO on eMMC
