JCG JHR-AC876M is an AC2600M router
Hardware specs:
SoC: MT7621AT
2.4GHz: MT7615N 4x4 @ PCIe0
5GHz: MT7615N 4x4 @ PCIe1
Flash: Winbond W25Q128JVSQ 16MiB
RAM: Nanya NT5CB128M16 256MiB
USB 2.0 and 3.0 ports
6 LEDs, 3 of which are connected to SoC GPIO
Reset and WPS buttons
Flash instructions:
Stock to OpenWrt:
Upload factory.bin in stock firmware's upgrade page,
do not preserve settings
OpenWrt to stock:
Push and hold the reset button for 5s while power cycling to
enter recovery mode;
Visit 192.168.1.1 and upload stock firmware
MAC addresses map:
0x0004 *:1c wlan2g/wan/label
0x8004 *:20 wlan5g
0xe000 *:1b lan
0xe006 *:1a not used in stock fw
Signed-off-by: DENG Qingfang <dengqf6@mail2.sysu.edu.cn>