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Tenda AC18 (AC1900) - Tomato firmware support

Discussion in 'Tomato Firmware' started by Mihai Olimpiu-Cristian, Sep 19, 2016.

  1. Mihai Olimpiu-Cristian

    Mihai Olimpiu-Cristian Networkin' Nut Member

    The Tenda AC18 (AC18) router released in 2016. It is powered by Broadcom BCM4709C0 @ 1.4 GHz chipset, 256 MB RAM and 128 MB flash. The AC1900 router is compatible with IEEE 802.11a/b/g/n/ac standards, and the maximum speed that you can get with AC18 is 600 + 1300 Mbps.

    The Guest network is a useful feature of the AC18 router that creates a separate network for guests. It has 1 x USB 3.0 port(s). You can attach a compatible USB printer to this device. The AC18 has built-in NAS functionality.

    The AC18 router has 1 x 10/100/1000 Mbps WAN and 4 x 10/100/1000 Mbps LAN ports.
    Router Chart link: http://routerchart.com/tenda/tenda-ac18-ac18-245

    Tenda AC18 homepage: http://tendacn.com/en/product/AC18.html
    How to install AsusWrt Merlin and fix some bugs:

    All I can say is: When? Where? I want it!
    Techie007 likes this.
  2. Mihai Olimpiu-Cristian

    Mihai Olimpiu-Cristian Networkin' Nut Member

    I also found this thread, here it says that the CPU is a BCM4708A so that would make the CPU run at 800Mhz? A lot of info on the base firmware and hardware here!
    These Chinese manufacturers are known to swap parts for cheaper ones and develop different models very, very fast...
    Still it's a lot cheaper as the machine is copying, the RT-AC68U. It doesn't do too good compared to the RT-AC68U with it's base firmware though.
    Last edited: Oct 5, 2016
  3. Mihai Olimpiu-Cristian

    Mihai Olimpiu-Cristian Networkin' Nut Member

    I just received the answer of a query sent to Tenda Romania, and they confirmed the CPU is a BCM4708. (Although they pointed to a dual core MIPS the first time :) )
  4. dasbog

    dasbog New Member Member

    Any update?
  5. AndreDVJ

    AndreDVJ Addicted to LI Member

    There are some requirements, including opening the router, to gain serial access.

    See this thread: http://www.linksysinfo.org/index.php?threads/tenda-ac15-ac1900-tomato-firmware-support.71709/

    You'll follow through what was done to support AC15. It's not that simple, and looks like nobody has the hardware around here.

    The very first step, is to solder a header in order to plug in a serial cable (i.e USB-TTL cable).
    Then gain access to CFE, interrupt boot process, and issue commands to dump nvram values.

    When enough hardware information is collected, work can be done in order to build a firmware and flash into it.
  6. dasbog

    dasbog New Member Member

    I've just got my AC18 and already uploaded the Asus-Merlin firmware. That's a good start. ;)
    If anyone interested, result for:
    nvram show | grep vlan1ports
    nvram show | grep vlan2ports
    nvram show | grep board
    vlan1ports=1 2 3 4 5*
    vlan2ports=0 5u
  7. Mihai Olimpiu-Cristian

    Mihai Olimpiu-Cristian Networkin' Nut Member

    Oh boy, oh boy, oh boy... can't wait for a new router... :)

    Trimis de pe al meu SM-G850F folosind Tapatalk
  8. vibecy

    vibecy New Member Member


    Has anyone managed to successfully flash Tenda AC18 with DD-WRT (or Tomato)?

    The hardware is similar to Asus RT-AC68U.

    I would love to flash DD-WRT or tomato on this beast!
  9. Mohsin323

    Mohsin323 New Member Member

    How's the performance and range of this router I am considering updating to this from tenda ac6

    Sent from my Nexus 6 using Tapatalk
  10. vibecy

    vibecy New Member Member

    Performance and range is fantastic, but unfortunately for my setup it requires at least a reboot per day (behaves like the TCP connection table somehow fills up?).

    That's why I am investigating the option of a custom firmware.
    Mohsin323 likes this.
  11. lukchiuwing

    lukchiuwing New Member Member

    Have any one successfully flashed TOMATO on AC18? I tried AC68U's TOMATO, also the AC15's , but the router cannot boot up. So far only the ASUS-Merlin is working on AC18.

    What kind of info should I provide to the programmers to make TOMATO work on AC18?
  12. bjlockie

    bjlockie LI Guru Member

    Does it require a reboot using the Merlin firmware?
  13. lukchiuwing

    lukchiuwing New Member Member

    No need to do daily reboot. Merlin works great on AC18. However, I still would like to see a TOMATO port on AC18.
  14. hapahopi

    hapahopi LI Guru Member

    Any update here on Tomato firmware for this device?

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