devolo dLAN pro 1200+ WiFi ac

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devolo dLAN pro 1200+ WiFi ac


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Addr. Name Notes
0x000000000000-0x000000040000 “u-boot” ro
0x000000040000-0x000000050000 “u-boot-env” ro
0x000000050000-0x000000060000 “Config1” ro, DON'T TOUCH!
0x000000060000-0x000000070000 “Config2” ro, DON'T TOUCH!
0x000000070000-0x000000ff0000 “firmware” “kernel”+“rootfs”+“rootfs_data” autosplit
0x000000ff0000-0x000001000000 “art” ro, DON'T TOUCH!

The method to install OpenWrt depends on the currently running devolo firmware version.

  1. If your device is running the “dLAN® pro 1200+ WiFi ac 1.1.1” firmware the OpenWrt image is installed through the native Web UI firmware update page.
  2. If it's running a lower firmware version than version 1.1.1 or with a “delos dLAN® pro 1200+ WiFi ac” firmware 3.0.0 or higher, you can either up/downgrade to firmware “dLAN® pro 1200+ WiFi ac 1.1.1” and then execute step 1, or install using the TFTP method below.
  3. If it's running a “delos dLAN® pro 1200+ WiFi ac” firmware, you can instead of the TFTP method use sysupgrade with the -F option to install OpenWrt as explained below.


Note: It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.

  • Login as root via SSH on the configured device IP address (static or DHCP) with the Web-UI password, then enter the following commands:
cd /tmp
sysupgrade -F -n /tmp/

If you flashed a wrong image you have to debrick the device.


  1. download the OpenWrt sysupgrade image
  2. the image on the TFTP server must be called “uploadfile”
  3. setup your TFTP server to use the IP address
  4. connect an ethernet cable between your computer and one of the LAN ports
  5. power it up while pushing down the reset button
  6. wait until Home/WiFi-LEDs blink red/white a few times and stay on, then release the reset button
  7. wait until LEDs stop to blink red/white
  8. the device should boot now

If you flashed a wrong image you have to repeat the process with the correct image.

Specific values needed for tftp

TFTP server IPv4 address
Firmware filename on TFTP server uploadfile
  • Browse to LuCI Upgrade URL
  • Upload image file for sysupgrade to LuCI
  • Wait for reboot

If you don't have a GUI (LuCI) available, you can alternatively upgrade via the command line. There are two command line methods for upgrading:

  • sysupgrade
  • mtd

Note: It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.


  • Login as root via SSH on, then enter the following commands:
cd /tmp
sysupgrade /tmp/


If sysupgrade does not support this router, use mtd.

  • Login as root via SSH on, then enter the following commands:
cd /tmp
mtd write /tmp/ firmware && reboot


You can flash a new OpenWrt firmware with TFTPoem_installation_using_the_tftp_method.

Basic configuration After flashing, proceed with this.
Set up your Internet connection, configure wireless, configure USB port, etc.

The default network configuration is:

Interface Name Description Default configuration
br-lan LAN & WiFi & Powerline
wlan0 WiFi 5 GHz Radio0 disabled
wlan1 WiFi 2.4 GHz Radio1 disabled

dLAN pro 1200+ WiFi ac uses an Atheros AR8327 switch. Switch ports 1, 5, 6 are not used. The default configuration doesn't use VLANs.

LAN 2 is the interface that's placed next to the reset button.

Port Switch port
CPU (eth0) 0
Powerline 2
LAN 1 3
LAN 2 4

hardware.button on howto use and configure the hardware button(s). Here, we merely name the buttons, so we can use them in the above Howto.

The Devolo dLAN pro 1200+ WiFi ac has the following buttons:

Reset reset
WiFi wps
Home/dLAN BTN_0

The Devolo dLAN pro 1200+ WiFi ac has the following LEDs:

LED sysfs name
dLAN error (red) devolo:error:dlan
dLAN status (white) devolo:status:dlan
WiFi status (white) devolo:status:wlan

The Powerline (PLC) interface of the dLAN pro 1200+ WiFi ac requires 3rd party firmware which is not available from standard OpenWrt package feeds. There will be a package feed on github which you must add to OpenWrt buildroot so you can build a firmware image which supports the plc interface.

For now:

  1. Install the build-system. Follow the steps to compile an image.
  2. Add the dlan-openwrt feed to your buildroot.
  3. Download the firmware from the manufacturer website. Extract it with binwalk.
  4. To get the right firmware, you can spot something like MT2673 in top right of the device as seen on this image. For MT2673 you copy the config file 2673.pib and the firmware file nt6x00.nvm to [buildroot]/[trunk]/feeds/dlan/dlan-fw/qca/dlan-pro-1200-ac/
  5. Compile

FIXME Expand instructions to compile packages required to setup the Powerline interface.

Insert photo of front of the casing

Insert photo of back of the casing

Backside label:
Insert photo of backside label

Opening this device exposes
parts under high voltage (110/230 VAC)!

  • Risk of deadly electrical shock
  • Risk of irreversable damage to other components attached, e.g. your PC connected via serial

Make sure to keep your fingers, conductive tools and serial cables away from the high voltage at all times!

Capacitors can still retain dangerous voltages
after disconnection from mains!

Continue at your own risk!

Note: This will void your warranty!

Main PCB:
Insert photo of PCB

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
for Devolo dLAN pro 1200+ WiFi ac
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

None so far.

U-Boot 1.1.4 (Build from QSDK-1.0 at May 13 2015 - 08:57:02) DB120 DRAM: sri Wasp 1.3 wasp_ddr_initial_config(271): (32bit) ddr2 init wasp_ddr_initial_config(448): Wasp ddr init done Tap value selected = 0xd [0x0 - 0x1b] dvl: configure GPIOs: setting output gpio states (set 0x00002000, clear 0x0020d000) set gpio direction (in/out) previous setting was: 0x0003f30b new setting will be: 0x00530b10 setting gpio OUT function mappings setting gpio IN function mappings clearing and disabling all gpio interrupts 128 MB Top of RAM usable for U-Boot at: 88000000 Reserving 214k for U-Boot at: 87fc8000 Reserving 192k for malloc() at: 87f98000 Reserving 44 Bytes for Board Info at: 87f97fd4 Reserving 36 Bytes for Global Data at: 87f97fb0 Reserving 128k for boot params() at: 87f77fb0 Stack Pointer at: 87f77f98 Now running in RAM - U-Boot at: 87fc8000 Flash Manuf Id 0xc2, DeviceId0 0x20, DeviceId1 0x18 flash size 16MB, sector count = 256 Flash: 16 MB *** Warning - bad CRC, using default environment In: serial Out: serial Err: serial Net: ag934x_enet_initialize... No valid address in Flash. Using fixed address wasp reset mask:c02200 WASP ----> S17 PHY * athrs17_reg_init: complete : cfg1 0x80000000 cfg2 0x7114 eth0: 00:03:7f:09:0b:ad eth0 up eth0 Cal in flash at 0x9fff1000 Setting 0xb8116290 to 0x50a02d0f TFTP autoupdate supported (using reset gpio). CAUTION: Using quick erase. Remove soon! Checking for pressed RESET key ... Key is NOT pressed. Skipping autoupdate. Hit any key to stop autoboot: 0 ## Booting image at 9f070000 ... Image Name: MIPS OpenWrt Linux-3.18.29 Created: 2017-01-09 9:30:36 UTC Image Type: MIPS Linux Kernel Image (lzma compressed) Data Size: 1160476 Bytes = 1.1 MB Load Address: 80060000 Entry Point: 80060000 Verifying Checksum at 0x9f070040 ...OK Uncompressing Kernel Image ... OK No initrd ## Transferring control to Linux (at address 80060000) ... ## Giving linux memsize in bytes, 134217728 Starting kernel ...



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  • Last modified: 2024/02/12 11:13
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