@O635789, now the package libmraa-rockpi4 is only for stretch arm64 and bionic arm64. Are your root filesystem of image is 32-bit? if so, won’t find it.
@O635789, now the package libmraa-rockpi4 is only for stretch arm64 and bionic arm64. Are your root filesystem of image is 32-bit? if so, won’t find it.