I did also try the .gz but the same thing happens;
# sysupgrade -T nanopi-r5c-2024-02-03.bin.gz
Sun Feb 4 23:28:14 CST 2024 upgrade: Device friendlyelec,nanopi-r5c not supported by this image
Sun Feb 4 23:28:14 CST 2024 upgrade: Supported devices: friendlyarm,nanopi-r5c
Sun Feb 4 23:28:14 CST 2024 upgrade: Reading partition table from bootdisk...
Sun Feb 4 23:28:14 CST 2024 upgrade: Reading partition table from image...
Partition layout has changed. Full image will be written.