I'm failing installing uboot-mod from compiled snapshots.
root@OpenWrt:~# ubiformat /dev/mtd8 -y -f /tmp/openwrt-mediatek-filogic-xiaomi_mi-router-ax3000t-ubootmod-initramfs-recovery.itb
ubiformat: mtd8 (nand), size 35651584 bytes (34.0 MiB), 272 eraseblocks of 131072 bytes (128.0 KiB), min. I/O size 2048 bytes
libscan: scanning eraseblock 271 -- 100 % complete
ubiformat: 272 eraseblocks have valid erase counter, mean value is 2
ubiformat: error!: file "/tmp/openwrt-mediatek-filogic-xiaomi_mi-router-ax3000t-ubootmod-initramfs-recovery.itb" (size 8060928 bytes) is not multiple of eraseblock size (131072 bytes)
error 0 (No error information)
root@OpenWrt:~# cat /etc/openwrt_release
DISTRIB_ID='OpenWrt'
DISTRIB_RELEASE='SNAPSHOT'
DISTRIB_REVISION='r24770-066b0fee76'
DISTRIB_TARGET='mediatek/filogic'
DISTRIB_ARCH='aarch64_cortex-a53'
DISTRIB_DESCRIPTION='OpenWrt SNAPSHOT r24770-066b0fee76'
DISTRIB_TAINTS='no-all'
root@OpenWrt:~# uname -a
Linux OpenWrt 5.15.146 #0 SMP Sun Jan 7 15:56:05 2024 aarch64 GNU/Linux
root@OpenWrt:~# cat /proc/mtd
dev: size erasesize name
mtd0: 00100000 00020000 "BL2"
mtd1: 00040000 00020000 "Nvram"
mtd2: 00040000 00020000 "Bdata"
mtd3: 00200000 00020000 "Factory"
mtd4: 00200000 00020000 "FIP"
mtd5: 00040000 00020000 "crash"
mtd6: 00040000 00020000 "crash_log"
mtd7: 00040000 00020000 "KF"
mtd8: 02200000 00020000 "ubi_kernel"
mtd9: 04e00000 00020000 "ubi"
root@OpenWrt:~#
currently I have installed the stock layout self compiled snapshots which are working great.