hi, you need to overid the dtp file in here   ll /boot/dtb-5.1.7-sunxi64/allwinner/ total 968 drwxr-xr-x 3 root root  4096 Jun 15 12:19 ./ drwxr-xr-x 3 root root  4096 Jun 15 12:21 ../ drwxr-xr-x 2 root root  4096 Jun 15 12:19 overlay/ -rw-r--r-- 1 root root 33668 Jun 14 23:52 sun50i-a64-amarula-relic.dtb -rw-r--r-- 1 root root 35345 Jun 14 23:52 sun50i-a64-bananapi-m64.dtb -rw-r--r-- 1 root root 34228 Jun 14 23:52 sun50i-a64-nanopi-a64.dtb -rw-r--r-- 1 root root 351