Asus T-Mobile Cellspot

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-==Asus Cellspot TM-AC1900RT-AC68U == +{{Languages|Asus T-Mobile Cellspot}}
 +<br>
 +[[Image:TM-AC1900.jpg|right|400px]]
-!!!!! WORK IN PROGRESS !!!!+__TOC__
-'''This wiki's purpose is to provide an up-to-date and concise how-to for first-timers.''' Kudos to contributors have taken the time to document this guide by consolidating and condensing postings from newsgroups. Please add content if you had success flashing your cellspot. Otherwise,''' please try to successfully flash your cellspot before contributing to the wiki.''' For your convenience this page can be easily referenced with:+=[http://en.techinfodepot.shoutwiki.com/wiki/ASUS_TM-AC1900 Hardware Specifications]=
 +{|style="text-align:center; position:relative; " width=50% border="1" cellspacing="0"
 +|+ '''ASUS TM-AC1900 (T-Mobile)'''
 +!FCC ID
 +|MSQ-RTAC68U
 +|-
 +!IC ID
 +|3568A-RTAC68U
 +|-
 +!CPU1
 +|Broadcom BCM47081A0 @ 800 MHz
 +|-
 +!FLA1
 +|128 MiB
 +|-
 +!RAM1
 +|256 MiB
 +|-
 +!ETH chip1
 +|Broadcom BCM47081A0
 +|-
 +!Switch
 +|Broadcom BCM47081A0
 +|-
 +!Ethernet Ports
 +|1-1GbE-WAN<br>4-1GbE-LAN
 +|-
 +!USB Ports (2)
 +|1xUSB 2.0<br>1xUSB 3.0
 +|-
 +!WI Chip1
 +|Broadcom BCM4360
 +|-
 +!MIMO status
 +|3x3:3
 +|-
 +!802.11 protocols
 +|b/g/n
 +|-
 +!WiFi Operating Frequency
 +|2.4 GHz
 +|-
 +!WI2 Chip1
 +|Broadcom BCM4360
 +|-
 +!MIMO status
 +|3x3:3
 +|-
 +!802.11 protocols
 +|a/n/ac
 +|-
 +!WiFi Operating Frequency
 +|5 GHz
 +|}
-http://tinyurl.com/asuscellspot+=Introduction=
 +The Asus M-AC1900 (T-Mobile) is a hobbled RT-AC68U that can be upgraded to a fully functional RT-AC68U.<br>
 +'''NOTE:''' This wiki is in the process of major editing due to broken links and outdated information.<br>
 +SEE [https://www.bayareatechpros.com/ac1900-to-ac68u/ Flashing TM-AC1900 to RT-AC68U/P] for more information.
 +=Installation=
 +==CFE Downgrade is necessary to enable flashing firmware ==
 +This upgrade is a little trickier than most because the procedure involves not only navigating DD-WRT firmware, but navigating the [http://dd-wrt.com/wiki/index.php/CFE_backup CFE] The newsgroups document that CFEs are able to control / deny firmware upgrades, which is the reason for 'downgrading' to firmware that does not prevent firmware changes.
-==CFE Issue per UKEE == +[http://slickdeals.net/forums/showpost.php?p=73690012&postcount=3895 ******Updated guide to CFE Mod ****** here but doesn't mention flashing firmware]
-This upgrade is a little trickier than most because the procedure involves not only navigating DD-WRT firmware, but navigating the [http://dd-wrt.com/wiki/index.php/CFE_backup CFE] The newsgroups document that CFEs are able to control / deny firmware upgrades, which is the reason for 'downgrading' to firmware that does not have this capability.+
Version 2827 is firmware locked to only TMobile branded firmwares. Not only is the firmware locked (disabled Telnet), it installs CFE 2.1.2.2, which locks the router from any non TMobile branded firmware via recovery mode and GUI mode. The only way to change firmwares is to downgrade to an older TMobile firmware (1703 for example), enable Telnet, and then replace the CFE (preferrably with an Asus RT-AC68U version - such as 1.0.2.0). Version 2827 is firmware locked to only TMobile branded firmwares. Not only is the firmware locked (disabled Telnet), it installs CFE 2.1.2.2, which locks the router from any non TMobile branded firmware via recovery mode and GUI mode. The only way to change firmwares is to downgrade to an older TMobile firmware (1703 for example), enable Telnet, and then replace the CFE (preferrably with an Asus RT-AC68U version - such as 1.0.2.0).
-Many details in this guide including links to the older 1703 firmware and all CFE's and utilities needed: +[http://slickdeals.net/forums/showpost.php?p=70991738&postcount=2576 Many details in this guide including links to the older 1703 firmware and all CFE's and utilities needed]
-http://slickdeals.net/forums/showpost.php?p=70991738&postcount=2576  
- Updated guide here but doesn't mention flashing firmwares:  
- 
-http://slickdeals.net/forums/showpost.php?p=73690012&postcount=3895  
if you're on CFE 2.1.2.1, which is not locked, and try to use the latest Asus branded firmwares, it will update your CFE and, lockout out all non TMobile firmware's again. Once you get to DD-WRT, doesn't matter anymore unless you decide to go (back) to Asus stock RT-AC68U firmware, latest copies. if you're on CFE 2.1.2.1, which is not locked, and try to use the latest Asus branded firmwares, it will update your CFE and, lockout out all non TMobile firmware's again. Once you get to DD-WRT, doesn't matter anymore unless you decide to go (back) to Asus stock RT-AC68U firmware, latest copies.
-[http://www.dd-wrt.com/phpBB2/viewtopic.php?t=268581&start=56 For more information see UKEE post here.]+[http://www.dd-wrt.com/phpBB2/viewtopic.php?t=268581&start=56 For more information see UKEE's post here.]
==Links: verified firmware == ==Links: verified firmware ==
-'''FIRST''' [http://download1.dd-wrt.com/dd-wrtv2/downloads/others/eko/BrainSlayer-V24-preSP2/2014/06-23-2014-r24461/asus-rt-ac68u/asus_rt-ac68u-firmware.trx asus_rt-ac68u-firmware.trx] '''THEN''' flash [http://desipro.de/ddwrt/K3-AC-Arm/25015M/dd-wrt.v24-K3_AC_ARM_STD.bin dd-wrt.v24-K3_AC_ARM_STD.bin] [http://www.dd-wrt.com/phpBB2/viewtopic.php?t=268632 (per cdmarshall)] 
 +There are numerous choices each with its strengths. DD-WRT / Kong are filled with features. Merlin to stay as close to the original firmware to ensure maximum performance.
-==Links to tools and other files ==+* '''DD-WRT''' builds: FIRST flash a '''.trx''' build from the '''asus ac68u folder''', to upgrade use the '''.bin''' file. [https://secure.dd-wrt.com/site/support/other-downloads?path=betas Beta downloads]
-[http://www.filedropper.com/fwtmac190030043761703 Asus tools to revert FW] ("Engineer" needs to verify this).+
 +* '''Merlin''' and '''Tomato''' Builds: can be found in the [http://www.filedropper.com/tmo2ac68u tmo2ac68u package] '''(broken link)'''
 +
 +:: [http://asuswrt.lostrealm.ca/changelog Merlin Changelog documents newest updates and firmware candidates]
 +
 +==Links to tools and other files ==
 +[http://www.filedropper.com/fwtmac190030043761703 Asus tools to revert FW] ("Engineer" or UKEE to verify this). '''(broken link)'''
==Links: verified CFEs == ==Links: verified CFEs ==
 +Verified: 1.0.2.0 from the [http://www.filedropper.com/tmo2ac68u tmo2ac68u package]. '''(broken link)'''
 +
[http://www.dd-wrt.com/phpBB2/download.php?id=30003 CFE_ASUS_RT-AC68U_1.0.2.0 (US).txt] [http://www.dd-wrt.com/phpBB2/download.php?id=30003 CFE_ASUS_RT-AC68U_1.0.2.0 (US).txt]
-[http://www.dd-wrt.com/phpBB2/download.php?id=30002 CFE_ASUS_RT-AC68U_1.0.2.0 (US).txt] (??? user to verify)+[http://www.dd-wrt.com/phpBB2/download.php?id=30002 CFE_ASUS_RT-AC68U_2.1.2.1 (US).txt] (??? user to verify)
- +
==Procedure == ==Procedure ==
-1) Check your CFE Version:...+Before starting the process, obtain the [http://www.filedropper.com/tmo2ac68u tmo2ac68u package] '''Broken Link'''. Tools and Firmware used in this process must be obtained and unzipped. Copy the mtdwrite utility and the target CFE to a flash drive. Fortunately, there is a (lengthy) [https://www.youtube.com/watch?v=RI6D0LMkm3s YouTube video] that demonstrates the different processes below. gatorback: because it is lengthy I skimmed through it ONLY when I was stuck. After you have installed \ downgraded T-Mobile's software, you will want to change the firmware: [http://elatov.github.io/2014/11/dd-wrt-on-asus-rt-ac68u-router/ there is a good article discussing the various versions of firmware here.]
-2) If needed, change to CFE version XXXX... Verify the change by....+ High Level Steps:
 + * Gain Telnet Access: flash TMO 1703 firmware via CFE webserver
 + * Copy original CFE to USB memory stick
 + * Copy data from original CFE to target CFE
 + * MTD-write target CFE to boot sector
 + * mtd-erase2 nvram
 + * nvram get bl_version
 + * Flash final target firmware via CFE Webserver
-3) Do this... Verify by verifying ...+1) Enable Telnet: Place router in [http://www.dd-wrt.com/phpBB2/viewtopic.php?t=268581&postdays=0&postorder=asc&start=42 recovery mode] and upload TMobile firmware xxx.1703 ([http://www.filedropper.com/tmo2ac68u found in tmo2ac68u package] '''Broken Link''') through the CFE web UI. Enable telnet by navigating: Administration -> System -> Enable Telnet=Yes -> click 'Apply'
 + [[Image:Snap1_CFE_Webserver.png]]
-==Other tests to perform after installing DD-WRT firmware==+Alternative method: [https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=284657 An alternative to flashing 1703 to enable Telnet]<br>
 +'''<span style="color:#000000; background:#ffff00">&nbsp;**CAUTION**:&nbsp;</span>''' If you enable telnet, then erasing the NVRAM may disable efforts that enable Telnet.
 + 
 +Always perform a NVRAM reset after flashing firmware, reboot and allow 5 minutes to rebuild NVRAM variables.
 + * [http://slickdeals.net/f/7193262-t-mobile-personal-cellspot-ac-router-by-asus-free-for-postpaid-25-deposit '''HARDWARE NVRAM RESET:''']
 + ** Power off the router
 + ** Hold the '''WPS Button'''
 + ** Power on the router and keep the WPS pressed for 10-15 seconds
 + ** Reboot as necessary
 + 
 +2) Check your CFE Version via telnet and [http://slickdeals.net/forums/showpost.php?p=73690012&postcount=3895 change the CFE to 1.0.2.0. PRINT THE INSTRUCTIONS FROM THS LINK AND CHECK OFF EACH STEP PERFORMED]:
 + 
 + nvram get bl_version
 + 
 +This process involves telnetting and copying the existing CFE to retrieve data to USB stick, paste this data into the target downgrade CFE file, and writing the modified target CFE file back to the router.
 + 
 +
 +3) Place router in recovery mode and install [[Merlin firmware]] via through the CFE Webserver [http://www.dd-wrt.com/phpBB2/viewtopic.php?t=268581&postdays=0&postorder=asc&start=42 recovery mode] (easier).
 + 
 +4) Perform NVRAM reset
 + 
 +5) Flash DD-WRT and perform NVRAM reset
 + 
 +6) Go to your fridge and reward yourself with your favorite beverage and add your username here:
 + 
 +gatorback
 + 
 +==Tests to perform after installing DD-WRT firmware==
* NVRAM available immediately after install * NVRAM available immediately after install
* Speed Test measurements in 2.4 and 5 Ghz bands * Speed Test measurements in 2.4 and 5 Ghz bands
* Verify USB 3.0 speed measurement * Verify USB 3.0 speed measurement
-* Optware (OTRW) compatibility  
* Please update any other meaningful or useful test metrics / measurements * Please update any other meaningful or useful test metrics / measurements
 +
 +=Further Information, References, Additional Reading=
 +* [https://slickdeals.net/forums/showpost.php?p=70991738&postcount=2576 GUIDE to CFE flashing] (original)
 +* [https://slickdeals.net/forums/showpost.php?p=73690012&postcount=3895 GUIDE to CFE flashing 2.0:] (updated, but deprecated)
 +* [https://www.youtube.com/watch?v=RI6D0LMkm3s tmo2ac68u tutorial - Flashing CFE - Firmware - Restore Mode - Hex - Telnet - bootloader] (YouTube, '''broken file download links''')
 +* [https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=268581&start=21 Is T-Mobile modified Asus RT68 upgradeable to DD-wrt? - pg 2 (cdmarshall's post)]
 +* [https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=268581&start=56 Is T-Mobile modified Asus RT68 upgradeable to DD-wrt? - pg 4 (UKEE's post)]
 +* [https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=284657 Telnet Access to TMO Cellspot]
 +* [https://www.bayareatechpros.com/ac1900-to-ac68u/ Flashing TM-AC1900 to RT-AC68U/P - Bay Area Tech Pros]
 +* [https://blog.anichin.com/flash-asus-tm-ac1900-to-rt-ac68u/ Flash ASUS TM-AC1900 to RT-AC68U - Angel's Place]
 +* [https://www.snbforums.com/threads/does-t-mobile-asus-tm-ac1900-rt-ac68u-support-merlin.19550/page-7 Does T-Mobile/ASUS TM-AC1900 (RT-AC68U) Support Merlin?] (read the whole thread, if you like!)
 +* [https://www.techpowerup.com/forums/threads/asuswrt-merlin-on-converted-tm-ac1900-problems-upgrade-path-to-384-6.246293/page-2 Asuswrt-Merlin on converted TM-AC1900 : Problems, upgrade path to 384.6]
 +* [https://www.reddit.com/r/HomeNetworking/comments/lqsa7n/update_converted_asus_rtac68u_tm_rtac1900_to_the/ Update converted Asus RT-AC68U (TM RT-AC1900) to the newest Asuswrt-Merlin firmware. Is it possible? - r/HomeNetworking]
 +* [https://github.com/jasonbuechler/asus-rebadger/blob/master/README.md The Badger v2.6.0 by Jason Buechler]
 +* [https://www.youtube.com/watch?v=J7SYNOZQ504 rebadging the TM-AC1900 to Asus rt-ac68u (and pushing unlocked firmware) using The Badger (may 2019)] (YouTube)
 +* [https://web.archive.org/web/20201112032001/https://quincyhuang.io/2019/06/04/tm-ac1900-to-rt-ac68u-and-install-merlin/ Flash T-Mobile Cellspot TM-AC1900 to RT-AC68U and install Asuswrt-Merlin - Quincy Huang] '''(some links are broken)'''
 +* [https://pastebin.com/sZgn1d10 TM-1900 still showing after RT-AC68U firmware took] '''(references a possibly deleted comment on Bay Area Tech Pros)'''
 +
 +
 +[[Category:Networking hardware]]
 +[[Category:Asus guides]]

Current revision


Contents


[edit] Hardware Specifications

ASUS TM-AC1900 (T-Mobile)
FCC ID MSQ-RTAC68U
IC ID 3568A-RTAC68U
CPU1 Broadcom BCM47081A0 @ 800 MHz
FLA1 128 MiB
RAM1 256 MiB
ETH chip1 Broadcom BCM47081A0
Switch Broadcom BCM47081A0
Ethernet Ports 1-1GbE-WAN
4-1GbE-LAN
USB Ports (2) 1xUSB 2.0
1xUSB 3.0
WI Chip1 Broadcom BCM4360
MIMO status 3x3:3
802.11 protocols b/g/n
WiFi Operating Frequency 2.4 GHz
WI2 Chip1 Broadcom BCM4360
MIMO status 3x3:3
802.11 protocols a/n/ac
WiFi Operating Frequency 5 GHz

[edit] Introduction

The Asus M-AC1900 (T-Mobile) is a hobbled RT-AC68U that can be upgraded to a fully functional RT-AC68U.
NOTE: This wiki is in the process of major editing due to broken links and outdated information.
SEE Flashing TM-AC1900 to RT-AC68U/P for more information.

[edit] Installation

[edit] CFE Downgrade is necessary to enable flashing firmware

This upgrade is a little trickier than most because the procedure involves not only navigating DD-WRT firmware, but navigating the CFE The newsgroups document that CFEs are able to control / deny firmware upgrades, which is the reason for 'downgrading' to firmware that does not prevent firmware changes.

******Updated guide to CFE Mod ****** here but doesn't mention flashing firmware

Version 2827 is firmware locked to only TMobile branded firmwares. Not only is the firmware locked (disabled Telnet), it installs CFE 2.1.2.2, which locks the router from any non TMobile branded firmware via recovery mode and GUI mode. The only way to change firmwares is to downgrade to an older TMobile firmware (1703 for example), enable Telnet, and then replace the CFE (preferrably with an Asus RT-AC68U version - such as 1.0.2.0).

Many details in this guide including links to the older 1703 firmware and all CFE's and utilities needed


if you're on CFE 2.1.2.1, which is not locked, and try to use the latest Asus branded firmwares, it will update your CFE and, lockout out all non TMobile firmware's again. Once you get to DD-WRT, doesn't matter anymore unless you decide to go (back) to Asus stock RT-AC68U firmware, latest copies.

For more information see UKEE's post here.

[edit] Links: verified firmware

There are numerous choices each with its strengths. DD-WRT / Kong are filled with features. Merlin to stay as close to the original firmware to ensure maximum performance.

  • DD-WRT builds: FIRST flash a .trx build from the asus ac68u folder, to upgrade use the .bin file. Beta downloads
Merlin Changelog documents newest updates and firmware candidates

[edit] Links to tools and other files

Asus tools to revert FW ("Engineer" or UKEE to verify this). (broken link)

[edit] Links: verified CFEs

Verified: 1.0.2.0 from the tmo2ac68u package. (broken link)

CFE_ASUS_RT-AC68U_1.0.2.0 (US).txt

CFE_ASUS_RT-AC68U_2.1.2.1 (US).txt (??? user to verify)

[edit] Procedure

Before starting the process, obtain the tmo2ac68u package Broken Link. Tools and Firmware used in this process must be obtained and unzipped. Copy the mtdwrite utility and the target CFE to a flash drive. Fortunately, there is a (lengthy) YouTube video that demonstrates the different processes below. gatorback: because it is lengthy I skimmed through it ONLY when I was stuck. After you have installed \ downgraded T-Mobile's software, you will want to change the firmware: there is a good article discussing the various versions of firmware here.

    High Level  Steps:
      * Gain Telnet Access: flash TMO 1703 firmware via CFE webserver
      * Copy original CFE to USB memory stick
      * Copy data from original CFE to target CFE
      * MTD-write target CFE to boot sector
      * mtd-erase2 nvram 
      * nvram get bl_version
      * Flash final target firmware via CFE Webserver

1) Enable Telnet: Place router in recovery mode and upload TMobile firmware xxx.1703 (found in tmo2ac68u package Broken Link) through the CFE web UI. Enable telnet by navigating: Administration -> System -> Enable Telnet=Yes -> click 'Apply'

      Image:Snap1_CFE_Webserver.png

Alternative method: An alternative to flashing 1703 to enable Telnet
 **CAUTION**:  If you enable telnet, then erasing the NVRAM may disable efforts that enable Telnet.

Always perform a NVRAM reset after flashing firmware, reboot and allow 5 minutes to rebuild NVRAM variables.

    * HARDWARE NVRAM RESET:
    ** Power off the router
    ** Hold the WPS Button
    ** Power on the router and keep the WPS pressed for 10-15 seconds
    ** Reboot as necessary 

2) Check your CFE Version via telnet and change the CFE to 1.0.2.0. PRINT THE INSTRUCTIONS FROM THS LINK AND CHECK OFF EACH STEP PERFORMED:

    nvram get bl_version

This process involves telnetting and copying the existing CFE to retrieve data to USB stick, paste this data into the target downgrade CFE file, and writing the modified target CFE file back to the router.


3) Place router in recovery mode and install Merlin firmware via through the CFE Webserver recovery mode (easier).

4) Perform NVRAM reset

5) Flash DD-WRT and perform NVRAM reset

6) Go to your fridge and reward yourself with your favorite beverage and add your username here:

gatorback

[edit] Tests to perform after installing DD-WRT firmware

  • NVRAM available immediately after install
  • Speed Test measurements in 2.4 and 5 Ghz bands
  • Verify USB 3.0 speed measurement
  • Please update any other meaningful or useful test metrics / measurements

[edit] Further Information, References, Additional Reading