Huawei HG255d and HG256

This device is NOT RECOMMENDED for future use with OpenWrt due to low flash/ram.
DO NOT BUY DEVICES WITH 4MB FLASH / 32MB RAM if you intend to flash an up-to-date and secure OpenWrt version onto it! See 4/32 warning for details.

1) This device does not have sufficient resources (flash and/or RAM) to provide secure and reliable operation.
This means that even setting a password or changing simple network settings might not be possible any more, rendering the device effectively useless. See OpenWrt on 4/32 devices what you can do now.

2) OpenWrt support for this device has ended in 2022.
19.07.10 was the last official build for 4/32 devices.

HG255D is a gateway from ChinaTelecom OEM by HuaWei.

Model CPU Ram Flash Network USB Serial JTag
HG255D Ralink RT3052@384Mhz 32MiB 16MiB 1 x WAN 4xLAN Yes Yes Yes
HG256 Ralink RT3052@384Mhz 32MiB 8MiB 1 x Giga WAN 4xLAN Yes Yes Yes

HG256 use a RTL8211CL Giga PHY for WAN.

→ Install OpenWrt (generic explanation)

FIXME Please add the installation procedure here.

Instruction set MIPS
Vendor Ralink
bootloader U-boot-1.1.4
System-On-Chip Ralink RT3052
CPU @Frq MIPS 24K @384 MHz
Flash Chip MX29LV640(HG256) S29GL128P(HG255D)
Flash size 8 MiB (HG256) 16MiB (HG255D)
RAM size 32 MiB
Wireless Ralink APSoC RT2860 b/g/n 2T2R (integrated)
switch Integrated 6 Port Fast Ethernet Switch
USB Yes (1 Port)
Serial Yes
JTAG Yes

→ port.serial general information about the serial port, serial port cable, etc.

How to connect to the Serial Port of this specific device:
Insert photo of PCB with markings for serial port

Serial connection parameters 57600, 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

  • Last modified: 2024/02/12 08:58
  • by 127.0.0.1