LEDE (a.k.a. OpenWrt)

absolutely no warranty!

REX-WIFISD2

install *.bin by one of the following,

  1. put *.bin and EnterRouterMode.sh into SD card or USB storage, then insert it
  2. login as root via telnet, then run mtd_write command
  3. put "kernel" and "rootfs" into tftp server (serverip=10.10.10.254), then press & hold RESET button while power on
  4. prepare factory image (shell script)

ethernet port is configured as LAN by default. Wi-Fi is not enabled.

WCR-1166DS

install factory.bin from Web UI on stock firmware.

tftp boot

put initramfs image as "linux.trx-recover" into tftp server (serverip is 192.168.11.2), then press & hold AOSS button while power on.

uart

TBD

WZR-900DHP2

nvram set bootpartition=0

WSR-1166DHP/WSR-1166DHP2

WRH-300CR

install factory.bin from Web UI on stock firmware.

ethernet port is configured as LAN by default. Wi-Fi is not enabled.

stock firmware

you may flash uImage to "Kernel" partition by mtd_write command on stock firmware, or you may load uImage by TFTP on bootloader.

telnet

telnetd is running on stock firmware (at least on ver. 1.0.2 and 1.0.5). if you want to access it from ethernet port, IPv6 can be used. (no rule for ip6tables!)

you can use SD card, USB storage, and several commands such as mtd_write, tftp, etc on telnet.

please refer official manual about default username and password.

photos

serial console

recover system

if you press and hold RESET button on bottom side while power on, or choose "6: Boot recover system code via Flash." on console, recover system will be booted. (udhcpd and telnetd without authentication is running)

stock firmware image

you can extract uImage (e.g. v_1.0.5.bin) from stock firmware image (e.g. WRH-300CRxx_v1.0.5.bin) by tar command.

BHR-4GRV2

install factory.bin from Web UI on stock firmware

tftp on console

for tftp, prepare bhr4grv2-kernel.bin and bhr4grv2-rootfs-squashfs.bin. default serverip is 192.168.12.10. to update, enter "run uk" and "run uf" on U-Boot console.

JP2 is UART pins, 3.3V, TX, RX, and GND. (from left to right)

long thin Torx T8 is recommended.