TP-Link 3G/3.75G Router :: TL-MR3420 Router Keeps Dropping Connection On 3G
Mar 14, 2013
Region : India
Model : TL-MR3420
Hardware Version : V2
Firmware Version : 3.13.27 Build 121206 Rel.60215n
ISP : TataDocomo 3G
I am having problems with my TL-MR3420 router, it disconnects WIFI all the time. My ZTE MF 631 dongle gives me a strong signal and stable connection and rarely loses connecton when plugged directly into my laptop. With my MR-3420 V2 losses connection, duration only lasts for about 2 to 3 minutes. I have to power off/on the router and turn off/on the wireless button on the laptop to restore connection or manually disconnect in the web interface of MR -3420 and reconnect.
Even i tried the changing channel bandwidth and channel, still no luck. Router settings is pretty much default, expect security key. I have quite recently upgraded to the latest firmware but the problem seem not to have been resolved.
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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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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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Jun 6, 2012
To start off, the wireless router we have is a D-LINK 615 Wireless N 300 Router.We've had this router for a couple of months now and only recently has it been giving us grief. When we first got it (it was actually a friend's who had lent it to me but have been using ever since), it was working like a charm. No dropped connections, etc.However, as of a few weeks ago, we've began to notice that the connection has been dropping constantly. It started one a day around the same time (in the evening) and ever since has happened multiple times per day.The connection will either drop all together (lights still going on flashing) or there will be a limited connection (as stated in Windows) and I can't do anything. This happens for my laptop as well as my PS3. My desktop is hard-wired so there's never a connection issue there. Power cycling the router usually fixes the issue but again, this is constant and keeps disconnecting for some reason and having to power cycle every day is annoying.All the lights are always flashing like normal but the connection just drops off.
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Mar 25, 2012
I don't know where to begin but I have about 4 land lines to the router, and 2-3 wireless computers. But what I notice is that the internet connection is very slow and things drop. My downloads would be incomplete, and streaming is terribly slow. My torrent downloads will always reset. Simply put, this type of internet connection is terrible.
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Feb 11, 2012
My D-link wireless router (WBR-1310) keeps dropping my internet/email connection. The little green lights are all flashing intermittently except of the one on the far left which stays on. I will have a connection for a little while/few minutes and then it drops.
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May 31, 2012
I purchased the DIR-615 last week, and have experienced intermittent loss of internet connectivity, and automatic rebooting numerous times a day. A solid connection is up for 90% of the time; but you never know when connection will be lost. When connection is lost it automatically comes back after about 5 minutes with the router rebooting itself. I though I would ask for assistance here prior to taking it back to Fry's. I was previously using a 6 year old Linksys, and had no problems for years until it recently decided to die.
Specific information:
DIR 615
Hardware Version I1
Firmware Version 9.01NA (I updated from 9.0)
[Code].....
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Jan 20, 2013
Region : UnitedKingdom
Model : TL-MR3220
Hardware Version : V1
Firmware Version : 1.13.1 Build 121123 Rel.56770n
ISP : 3 UK
My Huawei E3231 dongle gives me a strong signal and stable connection and rarely loses connecton when plugged directly into my laptop. In the router, connection duration only lasts, fairly consistently, about 30 minutes. 3 UK base station is in sight and only about 90metres away. I have to power off/on the router and turn off/on the wireless button on the laptop to restore connection. i've tried setting idle times etc and other things in the router settings but no joy. The OS is W7 Home Premium SP1.
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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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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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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 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 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 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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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 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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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 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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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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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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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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