TP-Link 3G/3.75G Router :: TL-MR3420 Recognizes Modem But Does Not Connect
Dec 7, 2012
Region : Brazil
Model : TL-MR3420
Hardware Version : V1
Firmware Version : TL-MR3420_V1_120523
ISP : TIM
The TL-MR3420 recognizes my modem (Olivetti Olicard 160), but it does not connect to the 3G network. I tested the modem on my PC and it connects fine. The PIN verification is deactivated and the Modem configuration is the same as I use on the PC, however it just keeps trying to connect without success. I updated the firmware to the latest version.
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Nov 26, 2012
Region : Colombia
Model : TL-MR3420
Hardware Version : V1
Firmware Version : TL-MR3420_V1_120523
ISP : CLARO
Does not find Modem. Just purchased it in Cartagena, Colombia to use with ISP Claro.Using Modem ZTE model MF 190
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Apr 6, 2013
Region : Australia
Model : TL-MR3420
Hardware Version : V2
ISP : Telstra Bigpond
I have no access to the router ATM, but when I went to update, it was the latest version and build of the foirmware.I have read several reports of successful use of these two. I connect the MR 3420 to the PC, power it up. I connect BP3-EXT to the router and power it up. The MR 3420 router shows a very brief connect to the USB-based modem.: the USB light on the router stays on for about 2-3 seconds. The WLAN light on the router is on, showing a signal.
Running the setup has resulted in a couple of things. The Router's page shows that is knows the MODEM is attached to Telstra, in Australia. I do not get to put in #99# or my name and password. "Next" results in either a freeze of the Router's page "Connecting...." or I get to step through to "Congratulations, you have finished. Now connecting you to the Net"...with absolutely nothing happening on either the router or the modem. I am not sure how it thinks I am going to log in.If I do put in manual username and password, it freezes when I try to go Next.I _think_ that if the router page is frozen, it responds better if I pull the modem out of the router's USB socket.The modem works fine if plugged straight into the computer.I do remember I had a lot of trouble using a different brand of 3g router a couple of years back. Unfortunately, after I got it working, the router died.
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Apr 21, 2013
Region : India
Model : TL-MR3420
Hardware Version : V2
Firmware Version : Problem persists on all three firmware
ISP : BSNL india on EVDO
Today i purchased brand new Tp-Link MR-3420 3G/4G router for my BSNL EVDO modem..as this product is shown to support ZTE AC8700 modem...but it doesnt seem to work.. I put the right dial-up number,user name and password that i use when i connect modem to laptop and left APN field blank...The modem gets identified by the router but it just don't connect to internet,it just keeps saying "connecting.....". Also the signal strength is shown 0%... If your modem is really supporting ZTE AC8700 modem why its not working?
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Jan 15, 2013
Region : Ireland
Model : TL-MR3420
Hardware Version : V1
Firmware Version : V1-121123
ISP : 3 Ireland
my Huawei E353 dongle/modem is not recognised by the MR3420 router. The router functions perfectly with a different dongle (E122). The E353 works fine when connected directly to laptop so I am happy it is functioning fine. Could not find a bin file for the E353.
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May 4, 2013
Region : Others
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 06.12.2012
ISP : Entel Bolivia
I have a modem from entel in bolivia on an usb-stick.
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Mar 10, 2013
Region : Argentina
Model : TL-MR3420
Hardware Version : V2
Firmware Version : Vodafone K5006-Z modem not on compatibility list f
ISP :
Region : Others
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : Vodacom South Africa
Vodafone K5006-Z modem not on compatibility list for TL-MR3420 V2. This is a 4G LTE usb modem. Is it possible to create a configuration bin file for this modem to get this connection up and running?
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Dec 11, 2012
Model : TL-WR741ND
Hardware Version : V1
Firmware Version :
ISP : EOLO
give me procedure for connecting WiFi to iPhone.The phone recognizes the router, but will not connect.No numbers, i.e. 192.168.1.1, etc are loaded No DNS loaded?
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Jan 9, 2013
Region : Sweden
Model : TL-MR3420
Hardware Version : V1
Firmware Version : 3.13.1 Build 121123 Rel.57630n
ISP : Telenor
I have TP-LINK 3G/3.75G Wireless N Router Model # TL-MR3420 which is compatible with Telenor 3G USB ZTE MF190. With quick setup I have successfully configured the router, but the router does not connect with 3G ZTE MF190. I even called the Telenor helpline, they say that, they've no support for TP-LINK.
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Apr 10, 2013
Region : Sweden
Model : TL-MR3420
Hardware Version : V2
Firmware Version :
ISP :
I'm trying to replace my old router with the TL-MR3420 but I cannot reach Internet.
I get "Internet" directly by a Cable into my apartment. This Cable is connected to the WAN input. Then I connect my computer to one of the LAN ports. (The Cable Connections are done exactly as on my previous router.)
The setup on my PC (running Windows 8) is as described in the manual (IP address automatic and DNS server automatic).
Internet doesn't work and I cannot reach the router from the browser using 192.168.1.1.
I'm not using any 3G and of course I have restarted the router (and PC) a couple of times. I thought I could just replace my old router with the new one... but NOT.
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Apr 13, 2013
Region : Sweden
Model : TL-MR3220
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : Telia
The router finds the 4G modem Huwei E392u-12 but could not connect. Sometimes it also drops the modem and it says "Unplugged"
I tried to update the firmeware but no success.
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Feb 10, 2011
My computer ethernet port recognizes any modem but will not recognize any wireless routers. My ISP (DSL) spent 3 hours on the phone with me and can't figure it out. I have also contacted Gateway, figuring it must be my computer. I make money on the side fixing computers, so I do have a good idea as to what is what. I run Win7 on a Gateway DX4822 with Intel Pentium Dou-core. I have searched and searched for months and have found nothing. I have asked this question on various forums (including Microsoft) and still nothing.
I have wireless connectivity with a USB 2.0 WAN antenna. I also have a blu-ray player, XBox 360, and Wii all hooked up through this router. The player and XBox are wired, the Wii and a printer is wireless.I have had all things disconnected while trying to solve this issue, thinking that somehow there wasn't enough juice getting through. The cable works. I have tried resets, powerdowns, restarts, system recovery (at one point for a few days it did work as I shared internet from a friend upstairs from me), system restore, many different wireless routers AND modems. With the router connected, the ethernet port light does NOT come on. With the modem directly connected, the light DOES come on. Other computers/laptops in the house work wired into the router.
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Mar 10, 2013
Region : Denmark
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
I have a TL-MR3420 router placed in a remote location. The internet connection is via 3G, and since the telco is shifting the IP every 24 hours, the router is configured with DDNS from no-ip.org. This is working OK most days, but sometimes the DNS fails to update. To be able to trobleshoot it, I am trying to make my router send a mail with the logfile every hour. This function seems to be easy and out-of-the-box, but it doesn't wiork. Whenever I try to mail the log I get the error message "Fail to Connect the mail server.".
It is not possible to enter another SMTP-port, so I asume the standard port 25 (like this thread). Most ISP-mail services require SSL/TLS and/or use an alternative port, so I have made my own server. This server is visible on the Internet, and I (and others) are able to connect and send mails using smtp on port 25. But, still my remote TL-MR3420 keep saying "Fail to Connect the mail server.". I have tried nearly everything, including disabling authentication and giving the IP-address of the smtp server directly instead of the URL.
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Dec 4, 2012
Region : Finland
Model : TL-MR3420
Hardware Version : V1
Firmware Version : cannot login to check it out
ISP :
Cannot login in to 192.168.1.1 - I have even reset the router - yesterday it worked well - today not - i ahve not done any update.
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Apr 13, 2013
Region : Australia
Model : TL-MR3420
Hardware Version : V1
Firmware Version : TL-MR3420_V1_121123
ISP : BIGPOND
My problem is whenever I upload anything, my modem disconnects. My USB Dongle is a Telstra Ultimate 3G Sierra Wireless AirCard 312U. The problem is not present whenever I connect the dongle directly into the USB port on my LapTop.
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Feb 5, 2013
Region : Others
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 120905 Rel.73281n
I have successfully connected to my ISP with the 3G USB dongle.But it seems like the PIN code is not saved. I have to enter it after a reboot of the router.
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Apr 26, 2013
Region : Israel
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.31 Build 130128 Rel.56595n (Beta)
ISP : Israel . Cellcom 3g
When I plug the USB Modem to the router its show
Unknown USB Modem
this is the 3 usb modem I tried after I had bought the TL MR3420
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Jan 15, 2013
Region : New Zealand
Model : TL-MR3420
Hardware Version : V2
Firmware Version :
ISP : Telecom New Zealand
getting the MR3420 but will be using a ZTE 669 Turbo stick as the modem ISP Telecom New Zealand.I did notice that they seem to be supporting the ZTE 668+ which I'm guessing is a vary similar model.
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Apr 24, 2013
Region : India
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : Airtel India
i Want To Add External Battery In My TL-MR3420 .. Is It Possible . Any One Try It Or Not . I Have Always Power Problem In My Home That's Why i Need Battery For My TL-MR3420... Any One Guide Me .. Any Hardware Diagram For It .. i'm Android Dev And hardware Eng .. If U Provide Me Hardware Diagram Or Any Other Info i Will Add External Battery In It ...
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Feb 11, 2013
[COLOR=#000000]Region : Australia
Model : TL-MR3420
Hardware Version : V2
rated DC power specifications of the usb port on the MR series? Is it the same for all TPLINK routers?ie 5v @ x amps?
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Apr 22, 2013
Region : Australia
Model : TL-MR3420
Hardware Version : Not Clear
Firmware Version :
ISP : Telstra
Is remote administration over 3G connection possible? The telstra public IP is not pingable. (from externally) Goes no where when I put the public IP into a browser. (from externally) Any settings changes to enable this?
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Jan 16, 2013
Region : NewZealand
Model : TL-MR3420
Hardware Version : V1
Firmware Version : 1.2
ISP : Now.
Is the TL-MR3420 (previous model/shape) compatible with ADSL2+? I can't find clear indication that it is or isn't
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Jan 13, 2013
Region : Malaysia
Model : TL-MR3420
Hardware Version : V1
Firmware Version : 3.12.21 Build 120523 Rel.37880n
Just wonder if anyone using the same model of router and having bad connection with wireless? Its OK with the pc LAN (physical cable) connection but intermittent lost signal, request timeout when connect from notebook or iphone/ipad via wireless whether with DHCP or fixed internal IP.
I am having this issue since day 1, then upgrade the firmware by myself... Still no good. I keep the device into store send to warranty claim. After 2-3 months only get back the device, firmware being updated to above.. It seems to be OK for 1st week( i think) ... but now lost signal again.
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Mar 8, 2013
Region : India
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : Vodafone India
I have just bought a MR3420 and although it works fine on WAN, it does not work with the Micromax mmx325G 3G usb dongle. How to get this working?
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Nov 13, 2012
Region : Egypt
Model : TL-MR3420
Hardware Version : V1
Firmware Version : TL-MR3420_V1_120523
ISP : Etisalat Egypt
TL-MR3420 failed to detect " ZTE MF190S " Egypt Etisalat USB Dongle, and the file for the attached model can't be found on the 3G Modem Bin File Center.
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Apr 28, 2013
Region : Others
Model : TL-MR3420
Hardware Version : V2
Firmware Version : openwrt-mr3420-v2-HM2013-04-19
ISP : Cellcom Israel
how to make hard reset to MR3420.I installed openwrt-mr3420-v2-HM2013-04-19 software to my router.and after that while the router restart the led green lights flashing on and of all the time.and I cant contact to the router with wifi or lan cable
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Apr 20, 2013
Region : Malaysia
Model : TL-MR3420
Hardware Version : V1
Firmware Version : TL-MR3420_V1_121123
ISP : Celcom
My HUAWEI E367 Can't Detect in TL-MR3420.I don't know what to do and I'm already downgrade the frimware but it still can't detect my broadband. Then, I upgrade the frimware and it still can't detect my broadband.
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Feb 1, 2013
Region : Sweden
Model : TL-MR3420
Hardware Version : V1
Firmware Version : TL-MR3420_V1_121123
ISP : Tre
I have owned the TL-MR3420 for about six months and never had any problems with it, 3G connection stable enough and wifi and LAN worked properly without any drops.About one week ago I started experiencing problems. Both wifi and LAN gets disabled and I need to pull the plug and do a hard reset to correct the issue. This only happens after some heavy use, many devices is connected to Wifi, streaming files over the WIfi and so on. A scenario may be the following; there are six devices back home using all using wifi. All of them are not connected at the same time, but four may be; usually three computers and one tablet. The HTPC may do some heavy videostreaming from another computer. When the streaming is over, some devices are shut down then I may lose the WIFI and LAN ability of the router.
I have tried connecting with cable after wifi were lost but no IP address where given to it and connection where refused. This means I have no possibility to access the log file in the router, and after reboot the log file is reset. Router settings is pretty much default.Is my device broken or is there any setting I may tweak with?I have updated to latest firmware and tried to change channel without success.
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Mar 2, 2013
Model : TL-MR3420
Hardware Version : V1
Firmware Version : 3.12.8 Build 110418 Rel.43954n
ISP : SBB - Serbia Broadband[/COLOR]
I have been usung TP link for years, and now I want to use the 3G modem option the 3420 offers. But in the list of countries I can't find Serbia, and I can't find the ZTE MF 195. I found that on the TP Links site list of compatible modems there is Other countries, but in the modem list there isn't such an option, and since there is also no ZTE MF 195, and there isn't a "Telenor" entry for the service provider.I tried telling the router that I'm from another country, and setting up some of the parameters manually, but "surprisingly" it didn't work. Is there or could someone make a program which makes BIN files specific to the modem that isn't on the list, or is there a place where the BIN files grow?
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Jan 28, 2010
Region : India
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : Vodafone India
I have just bought a MR3420 and although it works fine on WAN, it does not work with the Micromax mmx325G 3G usb dongle.
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Mar 29, 2013
Region : Others
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : Cellcom 3g - Israel
My USB Modem HUAWEI E173 not work as well with TL-MR3420 Its lose Identify every almost 15 minutes , and try to Identify again and some times not successfully until I reboot the unit . then its Identify successfully , after some minutes the problem happen again and again . I think its from the router software issue that it have not the correct driver of the modem .
also , the signal of the wireless not that good like the other routers which I used before .
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Feb 9, 2013
Region : Australia
Model : TL-MR3420
Hardware Version : V2
ISP : Optus, Telstra
Whilst the MR3420 V2 is sold as a 4G usb router, it appears that it does not support many usb 4G devices.In Australia we currently have the Seirra 320u, ZTE MF821 (100Mbps Cat 3) and Huawei E3276 (150Mbps Cat 4)whilst the V2 supports the first two (not the E3276), it has one major failure!It does not work at full 4G speeds.
The V2 does not appear to allow download speeds in excess of 25Mbps or uploads much greater than 2Mbps. This occurs on fast 3G and 4G networks.The throttled speed is apparently due to slow modem protocols deployed in the router. High protocol overheads mean it cannot 'shuffle data' very fast.We have developed working solutions using the Openwork platform that overcome these issues and provides speeds in excess of 70mbps.
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Feb 19, 2013
Region : Italy
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
Italy just got the LTE, and these two devices (Huawei E372 and HUAWEI E392) are in the price list of the operator (TIM). Are these compatible with the router (TL-MR3420) here in Italy?
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