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> TP-Link TL-MR3020 - Discussion | Setup, firmware, description, suggestions
solalex1
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TP-Link TL-MR3020 - Discussion

Attached Image


The MR-3020 is a small portable router powered by miniUSB 5V. In practice, 3.3V is enough for the operation of the built-in iron. Naturally, the USB port will also have a low voltage.
In fact, this is not a router. This is a cool ready-made hardware for developing application solutions.

Currently there are two modifications of version 1 (v1.x) and version 3 (v3.x)
If you ask a question about the firmware, specify the name of the firmware and the version number.
Almost all alternative firmware are based on OpenWRT, but there are also Padavan ported linaro firmware for TP-Link on MT7628 (v3) chips.

How to determine the version of the router
Need to look at the sticker on the bottom of the router.
Version 1:
Attached Image


Version 3:
Attached Image

Everything related to version 1
Specifications:
  • 300MHz processor
  • 32 MB of RAM
  • 4MB flash chip
  • USB 2.0 port
  • RJ-45 port with full duplex 100 MB
  • GPIO pins both free and with LEDs
  • Button and switch on GPIO pins.

Standard firmware

Alternative firmware
OpenWRT snapshot from standard builds from the official site
(By default, it does not have a web interface.)
ROOter firmware (how many modems did not connect, determine them themselves and start the connection)(Built-in web interface and not only)
My USB modem firmware
Build 04/16/2014
40512
Features:
Compiled based on OpenWRT.
  • Support for different usb modems (I personally tested it on the E392 and E1550)
  • Support for Android and ios modem mode
  • Optimized luci code
  • Protocol support pptp, l2tp, pppoe, ppp
  • QoS
  • Multiwan
  • DDns
  • Support ussd requests from the web interface
  • Receiving / sending SMS from the web interface (including Cyrillic support) (Removing from the SIM card via the web interface has not yet been implemented)
  • vnstsat (default settings)
  • Shows the signal level and add. information in the web interface
  • Qmi support by uqmi and qmihelper on lua.
  • support for Fat / Fat32 flash drives to save data on them (for example, vnstat statistics; you can use microSD from a modem)

Some pictures

MD5: 71f30987599408dde229a4a5f7d102be
[attachment = "4460538: openwrt-ar71xx-generic-tl-mr3020-v1-squashfs-factory.7z"]
Checked with modems:
E1550, E392
M100-3 aka ZTE MF823 - without information about the network and SMS, only the mode of connecting to the network.

My firmware "Do it yourself - a model for the assembly"
There is nothing in the firmware except luci (web interface)
Kernel 3.10.58
Build 43052 10.25.2014
Firewood is sewn into the core for usb drives and scripts for mounting disks / partitions are installed.
Support for FAT16 / 32 and EXT2 / 3/4 is sewn into the core.
For FAT, the default page is 866 (embedded into the kernel)
Also, the default is UTF-8 stitched.
Support only mr3020!
Installation only on mr3020!

Файервола нет. DHCP есть. download



[attachment = "5271279: mr3020-clean.7z"]
MD5: d94f3ffe8a32c567ef62268560f151ff
In the archive file for the firmware and kernel modules / packages just in case.

My firmware "Home NAS server ver.1"
Luci web interface
Module to configure SAMBA
Supports SFTP protocol. (Encoding is not samba)
Kernel 3.10.58
Build 43052 10.25.2014
Firewood is sewn into the core for usb drives and scripts for mounting disks / partitions are installed.
Support for FAT16 / 32 and EXT2 / 3/4 trial support for NTFS with recording (not yet tried) is sewn into the kernel
For FAT, the default page is 866 (embedded into the kernel)
Also, the default is UTF-8 stitched.
Support only mr3020!
Installation only on mr3020!
Firewall is not. DHCP is.
Firmware for familiarization with Samba services. Tries to automatically mount everything connected to the usb port.
Attention! In the out of the box mode, disks with existing files are mounted in utf-8. Therefore, the file names with Cyrillic will be unreadable.
To fix this nuance you need to conjure with mount options.
If you connect a blank disk specifically for use as a NAS, then everything will be fine.
In the future, perhaps, I will make scripts that simplify the configuration and preparation of the disk for use as a NAS server.
[Attachment = "5272195: mr3020-NAS (43052) .7z"]
MD5: 621eba9ebf0b626ab12529e1927694ac
My firmware for USB modems "Vigorous Snowdrop"
Attention! Router address after firmware 192.168.4.254
Assembly 03/01/2015
44570
Kernel 3.10.70

Features:
  • Compiled based on OpenWRT.
  • Firmware for MR3020 only
  • Support for different usb modems
  • (I checked the work on E392, E1550, E3272, E3372, MF823, Android, LAN2USB)
  • Support for Android and ios modem mode
  • Optimized luci code
  • Russian language web interface
  • Protocol support pptp, l2tp, pppoe, ppp
  • Support for relay protocol for bridges
  • QoS
  • DDns
  • Support ussd requests from the web interface
  • Receive / send SMS from the web interface (support for utf8 is only for reception)
  • Removing from the SIM card via the web interface
  • Shows the signal level and add. information in the web interface
  • Qmi support by means of uqmi (Settings in luci; on some modems, problems with disconnection; it does not break.)
  • The ability to make a bridge between the QMI-modem and another router, for example Mikrotik
  • NCM support (currently only in comgt, you can configure the connection with pens)
  • MBIM support (not verified, no modem supporting this protocol)
  • Support for disks with FS FAT16 / 32 and EXT3. The ability to transfer the root FS to external media (extroot)
  • Selection of frequencies for registration in the network. (Scheduled)
  • Separate page showing only the signal level
  • Wifi enabled by default

New concept of adding your own buns. Completely redesigned mechanism for working with SMS. Significantly reworked mechanism for receiving responses ussd. Works to send responses in ussd requests. Checked with biline. Long SMS is not able to send. Due to the fact that many will want to transfer the root file system to an external partition in order to install various additional packages, I compiled some so that the kernel version is the same (some kernel modules, samba, openvpn, transmission etc).
Attention! Router address after firmware 192.168.4.254
[attachment = "5895595: tl-mr3020-modem-44570.7z"]
sha512: 108e0488fc9f6857ccd21b176221a218f43e248d892773fa637e78e289bc955d72588e065bdce175217498366075f880898d697ac8ef9ec03b58d3d218ae8214
[Attachment = "5895599: packages-44570.7z"]
sha512: 4d3d0aefa5aabcfcdb1156767b35d9bf0448435653a26880820859ba46aca6fa7e2de53124af9bafe0bb3871624c890e1ff28ff61c55037243f1730cf0f3cda9
My firmware for USB modems “Vigorous Snowdrop 2.0” / “Vigorous Snowdrop 2.3.2”
Attention! Router address after firmware 192.168.4.254
Attention! Telnet is no longer used by default. Connect via SSH with root with an empty password!
Build 09/10/2015 46840 Core 3.18.21
Features:
  • Compiled from OpenWRT.
  • Firmware for MR3020 only
  • Support for different usb modems
  • (I checked the work on E392, E1550, E3272, E3372, MF823, Android, LAN2USB)
  • Support for Android and ios modem mode
  • Optimized luci code
  • Russian language web interface
  • Protocol support pptp, l2tp, pppoe, ppp
  • Support for relay protocol for bridges
  • QoS
  • DDns
  • Support ussd requests from the web interface
  • Receive / send SMS from the web interface (support for utf8 is only for reception)
  • Removing from the SIM card via the web interface
  • Shows the signal level and add. information in the web interface
  • Qmi support by means of uqmi (Settings in luci; on some modems, problems with disconnection; it does not break.)
  • The ability to make a bridge between the QMI-modem and another router, for example Mikrotik
  • NCM support (now in luci)
  • MBIM support (not verified, no modem supporting this protocol)
  • Support for disks with FS FAT16 / 32 and EXT3. The ability to transfer the root FS to external media (extroot)
  • Selection of frequencies for registration in the network. (When configured via NCM protocol)
  • Separate page showing only the signal level
  • Wifi enabled by default
  • Optimized core
  • Optimized compiler
  • Compiled specifically under 24kc
  • There is little space for installing custom packages (292kB on first boot)
  • Optimized download scripts for the MR3020

New concept of adding your own buns. Completely redesigned mechanism for working with SMS. Significantly reworked mechanism for receiving responses ussd. Works to send responses in ussd requests. Checked with biline. Long SMS is not able to send. Included with the firmware are the kernel module packages to ensure compatibility with standard openwrt packages. I also post separate kernel modules in the form of ko files for manual installation.
Attention! Router address after firmware 192.168.4.254
Attention! Telnet is no longer used by default. Connect via SSH with root with an empty password!
[attachment = "6786978: firmware-MR3020-46840-2-0.7z"]
SHA256: 215717383ccc28affa54fa771b9d53d0a1d846648dc04c09c810f50a35fae302
[attachment = "6786981: kmod-46840-2-0.7z"]
SHA256: 1cf5da0e7c83a1fb6adcf4937508d48f2e2afb9c9169978c7853d73eae252a77
[attachment = "6786982: ko-46840-2-0.7z"]
SHA256: 888285edb88d1525172e4f0b9c51249958f444a52c431a64d19d1ce79128290c
Pictureshereand version 2.1version 2.3.2 with a working OpenVPN client (polarssl) (Update version 2.3)
Changes:
The issue with authorization CHAP / MSCHAP is solved.
The problem with the button to delete SMS messages has been solved.
Added the button "Reload port" (de-energizes the usb port for a few seconds. It will work if the jumper is not soldered).
Added the correct use of metrics when connecting via NCM and QMI protocols. (Now it will be easier to raise the VPN connection of the modem connections).
Added repository with packages to the server. (To work correctly in the settings, disable the packages with modules by default and replace src / gz with src).

Build from mersedes777_stukach
Universal RusBie firmware based on OpenWrt with a bunch of ilya-fedin buns (with Russian interface)
Cheerful Snowdrop 2.4 version 2018.04details here[attachment = "12721045: peppy-snowdrop-2018.04_mr3020v1.7z"]
Firmware for TL-MR3020 "Vigorous Snowdrop" from 04/04/18

Useful links:
Everything related to version 3

Cap updates
01/11/2015 Added a vote on functionality
02/10/2015 Updating useful links
03/01/2015 I added the "Vigorous Snowdrop" firmware
04/14/2015 Added a vote on the instructions
08.12.2015 Added a link to the restoration of "bricks" from ser.tuner
09/08/2015 Added instructions for configuring modems.
09/10/2015 Added the "Jumbo Snowdrop 2.0" firmware
10/01/2015 Added information about the "Vigorous Snowdrop 2.3.1" firmware with the OpenVPN client (Update version 2.3)
03/01/2016 Added a link to the assembly from mersedes777_stukach.
07/19/2016 Added a link to the firmware from ilya-fedin.
07.27.2016 Rebranding from ilya-fedin.
08/14/2016 Updated polls
03/12/2018 Added information on rolling back with dd-wrt
04/23/2018 Added firmware Jumbo Snowdrop 2.4 version 2018.04
08/24/2018 Splitting hats into two versions of mr3020, cleaning hats from dead links
12.27.2018 Added links to v3 firmware and useful tips



There is no curator in the subject. For questions about filling the caps, please contact the section moderators via the "Complaint" button under the messages to which you want to add links, or through QMS.

Post has been editedsolalex1 - 15.03.19, 09:14
Reason for editing: added links to new firmware for v3
Aleksandr_Kaijin
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24.05.14, 22:14
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SOS
I requested OpenWRT from the header, after rebooting the web interface does not work
The router responds to 192.168.1.1, responds to telnet, and I’m not going to do anything with it now (
how to treat?


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hardd2007
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What kind of firmware from the cap?
If standard, which is from the openwrt site, then it goes by default without a web interface.


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Snaker99
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26.05.14, 20:01
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Try to install the web interface luci.
1 connect via ssh (for example, using the putty program) (if not connected, set the telnet connection type and set the password for ssh - the passwd command)
2. connect the Internet to the router (use the luci command to configure the ip
for example, view luci show network.wan
root @ Gargoyle: ~ # luci show network.wan
network.wan = interface
network.wan.ifname = eth0.2
network.wan.proto = static
network.wan.ipaddr = xxxx.xxx.xxx.xxx
network.wan.netmask = xxx.xxx.xxx.xxx
network.wan.gateway = xxxx.xxx.xxx.xxx
network.wan.dns = xxx.xxx.xxx.xxx
network.wan.peerdns = 0
root @ Gargoyle: ~ #
)

for setting the uci set parameter
uci set network.wan.ipaddr = xxxx.xxx.xxx.xxx
uci set network.wan.netmask = xxxx.xxx.xxx.xxx
uci set network.wan.gateway = xxxx.xxx.xxx.xxx
uci set network.wan.dns = xxxx.xxx.xxx.xxx
commit
then after installation do ping
ping 8.8.8.8
if successful, then
opkg update
opkg inslall luci
thereafter
reboot

ready ...
if there is no ping when checking the node, check the parameters
and the network settings are valid until the reboot

Post has been editedSnaker99 - 26.05.14, 20:07
tv2012
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Snaker99,
I understood correctly, you need to connect two contacts circled in red? Nothing more to do?

Post has been editedtv2012 - 27.05.14, 19:22
Snaker99
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28.05.14, 08:26
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Yes everything is correct,
This is best done with a small drop of tin on the tip of the soldering iron.
00tv
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Build 04/16/2014
40512

The only build that saw Quanta 1K6E LTE biline. : Good: But the trouble is to see something, he sees it, only the modem itself reconnect in a circle without stopping. This can be seen through the web interface (mr-3020 even has time to get IP) and by the indicator on the modem. I thought the power supply, changed, power enough. Tell me who knows where to start and where to dig?
00tv
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Adding to /etc/usb-mode.json
rows
"0408: ea43": {
"*": {
"t_vendor": 1032,
"t_product": [59975],
"msg": [1]
}
},

The weather also does not give.

Post has been edited00tv - 01.06.14, 22:07
hardd2007
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And the network loses at the same time? Or just the connection breaks?


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00tv
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The network (which goes through Quanta) completely loses. Appears and disappears immediately. How to cross them.

Post has been edited00tv - 02.06.14, 15:29
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not bad firmware based on OpenWRT from Modems and Menhttp://ofmodemsandmen.com/downloads.html
Installed the "yellow version", works great with a modem from a megaphone M150-1 (simka iota), set up only a password for wi-fi
I didn’t touch anything else ... it works an order of magnitude faster and "more confident" of official firmware from 04.2014
discussion on the TP-LINK forumhttp: //forum.tp-linkru...d568ca5d3dbf6f5d0f672d
00tv
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Yes, the firmware is really good. But c quanta 1K6E is also a problem. And unlike the one in the header, even the network does not create with this modem.

Post has been edited00tv - 03.06.14, 23:48
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There is a list of supported models on the authors' forum. If quanta is not there, it will not work, but with those that do not even need to be configured ...
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I ask for help I have this router. The essence of the problem is that I flashed it with CyberWrt-v1.4 firmware. But I would like to return to the original \ factory firmware. After reading the forums, I realized that this can be done only through the USB-to-Serial adapter.


If the WRT firmware is alive, but you need to restore the original from TP-LINK, then you can do with the tools of the WRT itself. Open the router, unsolder the COM-port and do not need to connect via it.

Need to:
1. Connect to the router via SSH as root (you can use Wi Fi):

IP-address - the address of your router. It is better to do this with the help of a file manager that supports SSH. I connected with the terminal program Midnight Commander from Linux; on Windows, Total Commander should have a corresponding plugin;

2. Download the native firmware in the / tmp folder. I downloaded the latest RussianTL-MR3020_V1_130507_RUoffsite The file can be renamed for a shorter, so as not to rewrite its name;
3. Send a command
sysupgrade -n /tmp/TL-MR3020_V1_130507_RU.bin
(if renamed, specify your file name * .bin). If the file manager does not support the command line, after copying the firmware to the router, you need to connect to it with a terminal with SSH support and send a command from there.

The router will flash, reboot and become visible at 192.168.0.254. Do not forget to return the network card of your computer to automatically obtain an IP address (to work with WRT, it is often necessary to manually register it).

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Yalyn @ 04.26.2014, 00:45*
And with the modem E3272 earn?


With the lastoffsiteearned out of the box.


Post has been editedLechyff - 07.06.14, 02:31
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Snaker99 @ 05/10/2014, 14:43*
as a modem acted e171

Tell me pliz, on which firmware does the e171 huavei work?
at the factory? Stock openvrt? firmware from the cap?


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Tell me, and if you change to the OpenWRT firmware, then in order to return to the usual one later, will you have to sew only through the contacts on the board?

What firmware is now the most relevant for modems that sells either Eta or Beeline? In the biline this is MF 821D or MF 823, but in eta I do not know the exact name ...
hardd2007
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To return to the factory firmware, you just need to flash the correct stock firmware file. Firmware in the cap.

Post has been editedhardd2007 - 19.06.14, 21:01


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* hardd2007
That is, a circuit with an adapter is only if the device for some reason does not load at all?
There is also such a tail for zyxel devices and a com port on the computer:
Attached Image

This is not the same that the adapter from the instructions? So just in case ...
hardd2007
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The scheme with the adapter in case for some reason the main kernel does not boot and the boot loader is still intact. Or for debugging. About the tail of the zuhel I can not say, because it is not known what is inside the connector.


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shyrikos
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19.06.14, 21:15
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* hardd2007
And what advise from the firmware? The task is this: there is an agreement with the yoy and biline simply, and many different objects throughout Moscow. Therefore, there will be a beeline somewhere, and somewhere an eta. And you have to buy modems from the range that they now have.
Or is everything now supported by standard firmware, even new modems from eto?

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