TP-Link TL-MR6400 v1.0
LTE router with 4 fast (100mbps) ethernet ports.
| CPU || Ram || Flash || Network || WLAN || USB || Serial || JTag
| Qualcomm Atheros QCA9531 @ 650 MHz || 64 MiB || 8 MiB || 4x 10/100 || bgn || - || Yes || ?
| Architecture: || MIPS MIPS 24Kc
| Vendor: || Qualcomm Atheros
| Bootloader: || U-Boot
| System-On-Chip: || QCA9531
| CPU/Speed || 650 MHz
| Flash-Chip: || Winbond W25Q64BV,W25Q64CV or W25Q64FV
| Flash size: || 8 MiB
| RAM: || 64 MiB
| Wireless: || SoC-integrated: 2.4GHz 802.11bgn
| Ethernet: || 10/100 Mbit/s w/ vlan support
| USB: || no
| Serial: || Yes
| JTAG: || Not populated
Insert photo of front of the casing
Insert photo of back of the casing
Insert photo of backside label
Opening the case
Describe what needs to be done to open the device, e.g. remove rubber feet, adhesive labels, screws, …
→ port.serial general information about the serial port, serial port cable, etc.
How to connect to the Serial Port of this specific device:
The three grey wires are connected to a 3,5mm stereo headphone jack.
You also have to shorten R29 and R30 to connect with soc-uart-
| Serial connection parameters|
for TP-Link TL-MR6400 v1.0
| 115200, 8N1
→ port.jtag general information about the JTAG port, JTAG cable, etc.
How to connect to the JTAG Port of this specific device:
Insert photo of PCB with markings for JTAG port
OEM installation using the TFTP method
Flash via u-boot tftp :
Serve factory image as /mr6400_tp_recovery.bin on 192.168.0.66/24, connect to any ethernet port and power on device while
holding the reset button.
COPY HERE THE BOOTLOG ONCE OPENWRT IS INSTALLED AND RUNNING