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**Huasifei WH3000 eMMC / Fudy MT3000** Portable Wi-Fi 6 travel router based on MediaTek MT7981A SoC. MT7981B+MT7976CN+RTL8221B Dual Core 1.3GHZ **Specifications** SoC: Filogic 820 MT7981A (1.3GHz) RAM: DDR4 1GB Flash: eMMC 8GB WiFi: 2.4GHz and 5GHz with 3 antennas Ethernet: 1x WAN (10/100/1000M) 1x LAN (10/100/1000/2500M) USB: 1x USB 3.0 port Two buttons: power/reset and mode (BTN_0) LEDS: blue, red, blue+red=pink UART: 3.3V, TX, RX, GND / 115200 8N1 **Installation via U-Boot rescue** 1. Set static IP 192.168.1.2 on your computer and default route as 192.168.1.1 2. Connect to the WAN port and hold the reset button while booting the device. 3. Wait for the LED to blink 5 times, and release the reset button. 4. Open U-boot web page on your browser at http://192.168.1.1 5. Select the OpenWRT sysupgrade image, upload it, and start the upgrade. 6. Wait for the router to flash the new firmware. 7. Wait for the router to reboot itself. **Installation via sysupgrade** Just flash sysupgrade file via [LuCI upgrade page](http://192.168.1.1/cgi-bin/luci/admin/system/flash) without saving the settings. **Installation via SSH** Upload the file to the router `/tmp` directory, `ssh root@192.168.1.1` and issue a command: ``` sysupgrade -n /tmp/openwrt-mediatek-filogic-huasifei_wh3000-emmc-squashfs-sysupgrade.bin ``` **Factory MAC** You can find your Factory MAC which is mentioned on the box at `/dev/mmcblck0p2` partition `factory` starting from `0x4` ``` dd if=/dev/mmcblk0p2 bs=1 skip=4 count=6 | hexdump -C ``` **Enlarging a partition** Though device has 8GB eMMC, it uses only 2GB `/dev/mmcblck0p6` as `rootfs` for `/rom` and `/overlay` leaving `/dev/mmcblck0p7` as empty unused space. ``` sgdisk -p /dev/mmcblk0 ``` ``` Disk /dev/mmcblk0: 15269888 sectors, 7.3 GiB Sector size (logical/physical): 512/512 bytes Disk identifier (GUID): 2BD17853-102B-4500-AA1A-8A21D4D7984D Partition table holds up to 128 entries Main partition table begins at sector 2 and ends at sector 33 First usable sector is 34, last usable sector is 14942174 Partitions will be aligned on 1024-sector boundaries Total free space is 11197 sectors (5.5 MiB) Number Start (sector) End (sector) Size Code Name 1 8192 9215 512.0 KiB 8300 u-boot-env 2 9216 13311 2.0 MiB 8300 factory 3 13312 21503 4.0 MiB 8300 fip 4 21504 29695 4.0 MiB 8300 config 5 29696 62463 16.0 MiB 8300 kernel 6 62464 4256767 2.0 GiB 8300 rootfs 7 4257792 14940159 5.1 GiB 8300 ``` You can fix that by loading into `initramfs-kernel`, deleting empty `mmcblck0p7` partition and resizing `mmcblck0p6` ``` sysupgrade -F /tmp/openwrt-initramfs-kernel.bin ``` Install and run cfdisk ``` opkg update && opkg install cfdisk cfdisk /dev/mmcblck0 ``` - Select `mmcblck0p7` -> Delete - Select `mmcblck0p6` -> Resize -> Write -> yes -> Quit You will not see any difference in `cat /proc/partitions` after that but just flash a `sysupgrade` and you'll get the whole 7.3GB space for the `/overlay`. Co-developed-by: hecatae <horus.ra@gmail.com> Signed-off-by: Fil Dunsky <filipp.dunsky@gmail.com> Link: https://github.com/openwrt/openwrt/pull/18220 (cherry picked from commit 99ea96c297305c632a23e966df6aea1bfac241f9) Link: https://github.com/openwrt/openwrt/pull/18434 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>