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ASUS TM-AC1900 Dual Band Gigabit Router (Refurbished) EXPIRED

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Mobile Dist via Amazon.com has ASUS TM-AC1900 T-Mobile Dual Band Gigabit Router (Certified Refurbished) on sale for $47.99. Shipping is free. Thanks DJ3xclusive
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Edited January 2, 2018 at 04:09 PM by
Price Just Dropped Today
  • This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.com.
  • Dual-band with the latest 802.11ac 3x3 technology for combined speeds of up to 1900 Mbps
  • 1GHz Dual-core CPU enables smart multitasking by dedicating separate lanes for Wifi and USB data
  • Effortless router setup with the ASUSWRT web-based interface
  • Monitor and manage your network with ease from your mobile device using the intuitive ASUS Router App
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Community Wiki

Last Edited by ST1NGY January 20, 2018 at 08:37 AM
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If you plan to flash it to ASUS stock or Merlin, you should use the CFE that works with ASUS AiMesh firmware. That CFE works with any firmware actually. But it is REQUIRED for a former TM-AC1900 to be used as an AiMesh router.


SNB forum Official Release AiMesh firmware v3-0-0-4-384-10007 for all supported products./ [snbforums.com]

ASUS official AiMesh website: https://www.asus.com/aimesh/

Flashing Guide:
Here is a guide for flashing this router to a full-fledged AC68U as well as clocking the processor to AC68U speeds: http://www.bayareatechpros.com/ac1900-to-ac68u/
Note: The web based CFE Editor ( https://cfeditor.pipeline.sh/) now has an option to create a 1.0.2.0 US Aimesh CFE. So you can use the http://www.bayareatechpros.com/ac1900-to-ac68u/ guide but select the Aimesh version for the Source CFE.

--------------------------------------------------------------------------------------------------------------------------------------------------------------------
Note: The steps below are one person's guide to converting the TM-AC1900. I feel it makes it overly complicated. Use it as an alternate method if you wish. However, it does make sense and is easier to flash the 376.3626 firmware at the same time as you install the new CFE using the following steps:
  • ./mtd-write -i new_cfe.bin -d boot
  • mtd-write2 FW_RT_AC68U_30043763626.trx linux (you'll need to WinSCP the AC68U_30043763626.trx to the router first)
ST1NGY
------------

Here are the steps with exact commands from the ssh session I followed to bring it to the ASUS
376.3626 firmware

1)I first logged into the router website (192.168.29.1) from a PC (where I set the IP statically as 192.168.29.2) to check if the T-mobile firmware on it already allowed me to enable ssh. [DO NOT connect router to the internet, otherwise it may update itself]. Between 2 of my routers, one of it had the option, and the other did not.

2)If you dont have, follow the steps at: https://slickdeals.net/forums/showpost.php?p=83628302&postcount=5445 to do NVRAM reset, get into recovery mode, and downgrade the firmware. Note this recovery mode has worked for me on 3 of such routers bought in the last month. Then I enabled the ssh option and got ready for updating the CFE. If 1) already allowed you to enable ssh, you can skip Step 2 of getting into recovery mode and downgrading firmware. However, do the NVRAM reset, and setting of the mode as AP, in addition to enabling ssh.

3)I inserted the USB stick into the ASUS router (which got mounted as /mnt/sda1), then did the following to get the original_cfe. See the contents of my USB flashdrive.
NOTE : I have blanked out the mac addresses and secret code with dummy values. Don't get confused by them.

rajeshh@(none):/tmp/home/root# cd /mnt/sda1/
rajeshh@(none):/tmp/mnt/sda1# ls
FW_RT_AC68U_30043763626.trx
RT-AC68U_378.55_0.trx mtd-write
RT-AC68U_380.69_0.trx
rajeshh@(none):/tmp/mnt/sda1# nvram get bl_version
2.1.2.2
rajeshh@(none):/tmp/mnt/sda1# rm original_cfe.bin
rajeshh@(none):/tmp/mnt/sda1# cat /dev/mtd0 > original_cfe.bin
rajeshh@(none):/tmp/mnt/sda1# ls -al original_cfe.bin
-rwxrwxrwx 1 rajeshh root 524288 Dec 31 16:06 original_cfe.bin
rajeshh@(none):/tmp/mnt/sda1# grep mac original_cfe.bin
et0macaddr=xx:xx:xx:xx:xx:xx
0:macaddr=xx:xx:xx:xx:xx:xx
1:macaddr=xx:xx:xx:xx:xx:xx
rajeshh@(none):/tmp/mnt/sda1# grep secret original_cfe.bin
secret_code=nnnnnnnn
rajeshh@(none):/tmp/mnt/sda1# cd

4) Remove the USB, connect USB to Windows PC, and copy original_cfe.bin, and new_cfe.bin (the one downloaded from the wiki)
into the folder where cfe.exe is installed. Run cfe.exe and it will update new_cfe.bin with the mac addresses and secret
from the original_cfe.bin. Then put the updated new_cfe.bin back on the USB stick, and connect USB stick back to the router.
Then continue the following steps to apply the CFE, and the 376.3626 firmware from the USB stick.
NOTE: grep command with the original_cfe and new_cfe. Make sure values for new_cfe.bin look exactly the same for original_cfe.bin. Same for secret. If NOT, do not proceed.

rajeshh@(none):/tmp/home/root# cd /mnt/sda1/
rajeshh@(none):/tmp/mnt/sda1# grep mac new_cfe.bin
et0macaddr=xx:xx:xx:xx:xx:xx
0:macaddr=xx:xx:xx:xx:xx:xx
1:macaddr=xx:xx:xx:xx:xx:xx
rajeshh@(none):/tmp/mnt/sda1# grep secret new_cfe.bin
secret_code=nnnnnnnn
rajeshh@(none):/tmp/mnt/sda1# find / -name "mtd-write*"
/sbin/mtd-write2
/tmp/mnt/sda1/mtd-write
rajeshh@(none):/tmp/mnt/sda1# ./mtd-write -i new_cfe.bin -d boot
rajeshh@(none):/tmp/mnt/sda1# mtd-write2 FW_RT_AC68U_30043763626.trx linux
linux: CRC OK
rajeshh@(none):/tmp/mnt/sda1# cd
rajeshh@(none):/tmp/home/root#
rajeshh@(none):/tmp/home/root# exit

5)Turn off power, perform NVRAM reset per 2) above.
6)Reset PC IP to 192.168.1.2. Login to browser at 192.168.1.1, and the new firmware login page should show.

From hereon, you can proceed to install other custom firmware. If you now connect to the Internet, it will auto-detect that there is an updated ASUS firmware, and update to the latest AiMesh firmware, although see my issues doing it on one router (Post # 381)

564 Comments

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Featured Comments

I bought this a few months ago and it looked new.An excellent deal. I previously bought 2 new from TMobile. One thing that bothers me is these guys market it as a 1 Ghz CPU. Out-of-the-box it is 800 Mhz and can be overclocked to 1 Ghz and above if properly cooled and hacked back to ASUS OEM firmware.

I'm currently subscribed to 8 SD threads on this router, and each one re-hashes the same info and people repeatedly ask the same questions. Too bad there's no way to keep all that info in one place. Here's a good resource for loading Asus firmware. Beware - it is not for those who have no patience or get frustrated. http://www.bayareatechpros.com/ac1900-to-ac68u/

One benefit of reverting it back to Asus stock firmware (vs TMobile's dumbed-down version) is ASUS currently is beta testing new firmware to create a mesh network (requires two or more supported Asus routers).https://www.asus.com/aimesh/ I've been running it for a couple weeks and it is fairly stable and has provided me full-home seamless connectivity. I recommend this board for technical info - it is moderated by a developer and has lots of knowledgeable contributors. https://www.snbforums.com/threads...45/page-49
Before flashing a TMobile AC1900 with AiMesh, see post #288. It need a different CFE (bootloader) than normal. So you might as well get it right in the first place.
82 Helpful?
I've deployed 20+ of them for family and a few friends. Some of them were from T-Mobile new, some refurb from T-Mobile, and at least 10 from this Amazon seller. I flashed them all to be RT-AC68Us (follow this guide: http://www.bayareatechpros.com/ac1900-to-ac68u/) and they have all been incredibly rock solid. Do not hesitate.
18 Helpful?
Vastly. Reflash it to a regular RT-AC68U then look into Merlin [lostrealm.ca]. Apple products especially do not age well.
12 Helpful?

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#4
Would this be an improvement over a 7+ year old AirPort Extreme?
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#5
Quote from dirtbag88
:
Would this be an improvement over a 7+ year old AirPort Extreme?
Vastly. Reflash it to a regular RT-AC68U then look into Merlin [lostrealm.ca]. Apple products especially do not age well.
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Last edited by maganof January 2, 2018 at 06:54 PM. Reason: wrong number
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#6
How reliable are these refurbished products?
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#7
I bought this a few months ago and it looked new.An excellent deal. I previously bought 2 new from TMobile. One thing that bothers me is these guys market it as a 1 Ghz CPU. Out-of-the-box it is 800 Mhz and can be overclocked to 1 Ghz and above if properly cooled and hacked back to ASUS OEM firmware.

I'm currently subscribed to 8 SD threads on this router, and each one re-hashes the same info and people repeatedly ask the same questions. Too bad there's no way to keep all that info in one place. Here's a good resource for loading Asus firmware. Beware - it is not for those who have no patience or get frustrated. http://www.bayareatechpros.com/ac1900-to-ac68u/

One benefit of reverting it back to Asus stock firmware (vs TMobile's dumbed-down version) is ASUS currently is beta testing new firmware to create a mesh network (requires two or more supported Asus routers).https://www.asus.com/aimesh/ I've been running it for a couple weeks and it is fairly stable and has provided me full-home seamless connectivity. I recommend this board for technical info - it is moderated by a developer and has lots of knowledgeable contributors. https://www.snbforums.com/threads...45/page-49
Before flashing a TMobile AC1900 with AiMesh, see post #288. It need a different CFE (bootloader) than normal. So you might as well get it right in the first place.
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Last edited by ST1NGY January 2, 2018 at 03:58 PM.
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Our community has rated this post as helpful. If you agree, why not rep zonedguy?
#8
Quote from dli2614
:
How reliable are these refurbished products?
I've deployed 20+ of them for family and a few friends. Some of them were from T-Mobile new, some refurb from T-Mobile, and at least 10 from this Amazon seller. I flashed them all to be RT-AC68Us (follow this guide: http://www.bayareatechpros.com/ac1900-to-ac68u/) and they have all been incredibly rock solid. Do not hesitate.
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#9
Is this a good price? After the Phicom and Netgear Orbi deals (both of which I couldn't get) I am a bit optimistic about new better deals?
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#10
What happens if we flash and in future firmware gets updated? Do we need to follow the entire flashing process again
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#11
good router. It has been this price so many times. I will get another one as backup, if this drop below $40.
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#12
How does this compare to the Netgear ac1900
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#13
Would this or linksys wrt900ac v2 dual band smart WiFi router work for a house that is 2500 sqft. I have 2 cable connected devices. 6 WiFi devices connected (phones). I also have verizon 100/100 mbps. But still not set on what router to use. The one that came with the service from verizon is really bad. I lose connection on the second story. Any recommendations for router
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#14
Quote from SaurabhR
:
What happens if we flash and in future firmware gets updated? Do we need to follow the entire flashing process again
No, once you have stock Asus firmware, it basically becomes an Asus RT-AC68u. Then you can easily update firmware through the GUI. Or, load 3rd partyTomato, Merlin or DD-WRT and update as normal.
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Last edited by ST1NGY January 2, 2018 at 04:17 PM.
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#15
Quote from SaurabhR
:
What happens if we flash and in future firmware gets updated? Do we need to follow the entire flashing process again
No, once you flash it to stock Asus, you can continue updating from Asus w/o issue.
After flashing to stock Asus, I flashed to Merlin which is nice also.
If I choose to go back to Asus, it's a quick & easy flash back to that..
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