I sincerely thank the forum for the support provided. The issue was hardware-related, so I decided to purchase a new board, but the assistance offered was nonetheless very helpful.

file downloaded from https://drive.google.com/drive/folders/ ... 7lHgp9PaFS tested with 5 different sd.Ubunti version for Picoplus. Add file boot.

Welcome to Alpine for Luckfox!

login[548]: root login on 'ttyFIQ0'
Luckfox:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
mtdblock0 31:0 0 256K 0 disk
mtdblock1 31:1 0 256K 0 disk
mtdblock2 31:2 0 512K 0 disk
mtdblock3 31:3 0 4M 0 disk
mtdblock4 31:4 0 120M 0 disk
Luckfox:~#

I can't solve the problem. New SD, it seems like it's not recognized by kernel
[root@luckfox root]# dmesg | tail -n 30
[ 3.013003] mpp_vepu_pp ffa60000.rkvenc-pp: probing finish
[ 3.013341] mpp_service mpp-srv: probe success
[ 3.042489] RKNPU ff660000.npu: RKNPU: rknpu iommu device-tree entry not ...

I have a problem with the Pico Plus. I can load Busybox, Buildroot, Alpine, but I can't load Ubuntu from SD. I can't erase the NAND from SocToolKit. I've tried various SD cards and writing is fine, but the pico starts as if it were not there, even if hot-plugging it detects it. I followed this page ...