Xiaomi WiFi Router 3G Review - Model 2017

by 4. January 2019
The Xiaomi WiFi Router 3G is a continuing model of the 2016 released Xiaomi WiFi Router 3. What innovations the router has to offer and how it beats in practice, more in this review.



Xiaomi Mi WiFi Router 3G


CPU: MediaTek MT7621A MIPS
NAND: 128MB Flash

1x Gigabit WAN
2x Gigabit LAN
1x USB 3.0
1x Power

Protocols: IEEE 802.11a / b / g / n / ac, IEEE 802.3 / 3u / 3ab

2.4G channels: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
5G channels: 36, 40, 44, 48, 52, 56, 60, 64, 149, 153, 157, 161, 165

2.4G WiFi: up to 300Mbps
5G WiFi: up to 867Mbps

NAS: External USB media
OS: Mod. OpenWRT
Size: 19.50 x 13.10 x 2.40 cm
Weight: 261g

First impression - Xiaomi Mi WiFi router 3G

What's in the box

As already the predecessor, the includes What's in the box only the router, Power Supplies with NEMA-1 connector (12V - 1.5A) as well as a Chinese Manual, If you want to use the included power supply in this country, you also need an EU adapter.

Design and workmanship

Xiaomi has the case of the 3. Xiaomi routers recycled, which is why the Xiaomi 3G router visually no bit different from its predecessor. The plain white case measures 19.5 cm in length, 13.10 cm in width and 2.40 cm in height. The total weight of the router is 261g. Wall mounting is not intended. Rather, the router is intended for placement, which is why it is also equipped with four tiltable omnidirectional antennas. All connections are placed on the back. There are also the reset button and the power connector. The front side has a multicolor status LED. The build quality is not objectionable.

Xiaomi router 3G included


Although the Xiaomi router 3G optically has not experienced any update, but has done much hardware instead. Xiaomi uses one MediaTek MT7621A System-on-Chip, whose dual-core MIPS1004Kc CPU clocks up to 880 MHz. This has not only increased the number of cores compared to its predecessor, which still relies on the MT7620N system-on-chip, the processor also clocks faster, allows faster storage connectivity, is USB 3.0 compatible and can support up to five gigabit Support Ethernet connections.

As a result, the Xiaomi Mi WiFi router 3G also in terms of storage facilities a good figure. Here, the router offers a 128MB SLC Nand Flash and one 256MB DDR3-1200 memory (Model 3 only with 128MB DDR2). The connection options amount to one WAN and two LAN ports with fast Gigabit connection and a USB 3.0 socket. The 4 omnidirectional antennas are used by both 2.4G and 5G WiFi. The are supported WiFi protocols IEEE 802.11a / b / g / n / ac, IEEE 802.3 / 3u / 3ab. The maximal Data transfer rate The Xiaomi Mi WiFi Router 3G specifies Xiaomi with 300 Mbps in 2.4G WiFi and 867 Mbps in 5G WiFi. Multi-User MIMO (MU-MIMO) is not supported.


The User Interface the router is based on OpenWRT and is by default only available in Chinese. This makes the commissioning initially complicated, but the device is overall uncomplicated and with the Google Translator without any problems. Once the router is set up, you can conveniently translate the user interface via the browser. Alternatively, it is also possible to flash firmware for Hong Kong and Taiwan, which is also available in English.

If you are familiar with the matter of firmware flash and have no problem with alternative software, you can even do that LEDE firmware, Prometheus or PandoraBox flash. These are open source projects, which are also based on OpenWRT and in terms of functions and possibilities leave a much greater latitude. Guides to the individual projects can be found on the net. For the review, the original firmware was left on the router.

Connectivity of the Xiaomi WiFi Router 3G

Web interface and functions

As mentioned earlier, Xiaomi uses a custom OpenWRT. There are hardly any differences between the individual Xiaomi router models. Although all Xiaomi routers receive different firmware updates, the web interface is mostly identical visually and functionally.

Do you surf the Web interface of the Xiaomi WiFi Router 3G, you are greeted by a detailed overview that provides not only general router status information, but also connected device, throughput, and system utilization information. In the menu item to memory management explains how to connect an external medium to the router. Access from the computer is via the Mi WiFi client possible for both Windows and OSX. For mobile devices there is the so-called Mi WiFi App (Android and iOS), about which you can also set up a Samba server.

Within the general router settings can manage the WLANs. In addition to the typical configuration of the SSID, the password and the encryption, it is also possible to adjust the transmission power, as well as the WiFi channel can be freely selected. The 2.4G and 5G networks are configured separately. Interesting is the possibility to create a completely independent guest WLAN, which acts separately from the "main WLAN". Further settings are available for DHCP, the DNS and the white or blacklist.

In the subpoint of expanding settings can be configured QoS, DDNS can be added, port forwarding rules can be created, a PPTP or L2TP VPN can be preset and there are settings to UPnP.

Xiaomi Mi WiFi App

The Xiaomi Mi WiFi app is available for Android, as well as for iOS Mobile devices. In contrast to the standard Chinese web interface of the router, the app is also available in English. Functionally, the app offers the same functions that are also available via the web interface. Additionally, it is possible to use the app different Plugins to install, for example, an adblocker, a firewall or a Samba Server is. However, many plugins are mainly intended for the Chinese market.

Xiaomi Mi WiFi PC Client

The PC client is officially only available in Chinese. In contrast to the app and the web interface, the PC client mainly serves the simplified transmission of data. For example, you can start downloads that are made directly through the router and stored on the connected media. As an alternative to the HTTP or FTP download, it is also possible to use the Mi WiFi client to download torrents.

Practical test of the Xiaomi WiFi Router 3G

The Xiaomi router 3G was tested in the LAN with a Realtek 8111D network card and in WLAN with an Intel chip Wireless-AC 8260 module. The connected storage medium was a Toshiba STOR.E Basics USB 3.0 hard disk.

Signal strength WLAN

The built-up by the router WLAN convinces in both the 2.4 GHz, and 5 GHz network through constant signal at high range, Although the router in terms of data throughput is not quite the much more expensive Xiaomi R3P keep in mind, however, the Xiaomi router 3G shows above-average performance in view of the price. The transition between 2.4 GHz and 5 GHz is fluent.

NAS function and data throughput

In contrast to its predecessor, the Xiaomi router is 3G instead of with USB 2.0, with USB 3.0 fitted. The management of the connected storage medium via the Mi WiFi app. The File management The app is clearly arranged and the downloading and uploading works without any problems. If you have that Samba Server Plugin Activated via the app, you can also conveniently create a network drive via the PC and access the storage medium.

If you want to use the USB 3.0 function, it must be activated separately via the web interface or the app. At the same time, it should be noted that the USB 3.0 data transfers may interfere with the 2.4G WiFi. In the test, however, no differences or impairments were noticeable. Rather, the data throughput with active or deactivated USB 3.0 function was almost identical at least in the WLAN. Only in the LAN there was a noticeable speed difference with regard to the data transmission.

Transmission in the LAN

Transmission in the WLAN


The power consumption of the Xiaomi WiFi Router 3G is in the Idle at 8.2 Watt, at normal use will be values ​​of 10.8 Watt reached. Is an additional one hard disk connected and accessed, the consumption increases 13 Watt at. It does not matter whether the USB 3.0 function is activated or deactivated.

Price Comparison

You want to know where to buy the Xiaomi WiFi Router 3G? In our price comparison we list the current offers of the most popular shops. All prices are checked and updated several times a day. Should a shop appear several times, it concerns the different warehouses of the dealer.

Price history

Current prices

10-30 working days
Buy geekbuying
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10-30 working days
3-7 working days
10-30 working days

Price too high? Use our price alarm clock!

Prices last updated on: 17. September 2020 21: 44

Final Words


Design and workmanship
Dual-band AC
Gigabit WAN and LAN
signal stability
Signal range
OpenWRT possibility
USB 3.0 compatibility
Low energy consumption


No wall mounting option
Chinese user interface

First impression
User Interface
power consumption

Although the Xiaomi router 3G does not differ externally from the previous year's model, it offers much more powerful hardware. In the test convinced the router above all by a comparatively good data throughput, as well as a high-signal WLAN. The 100 Mbit connection, which was criticized in the previous year's model, replaced Xiaomi with three Gigabit WAN and LAN ports. At the same time, the only connection option for storage media has been upgraded to USB 3.0, which has a positive effect on the transmission speed with regard to the NAS function, at least in the LAN. The only criticism is the Chinese user interface, whose language can only be changed by firmware upgrades or modifications.

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can you configure the router as a repeater?


Hello Timo, I recently started using the Xiaomi G3 as a “wired repeater” and I'm satisfied so far. I bought it because of the USB 3.0 port to which I want to attach a hard drive for backups. From what I have learned so far, it should be easy to embed this disk as a network drive in Windows 10. That's what it says in your test report. My approach: After right-clicking on “Network” in Explorer, I click on “Map network drive”, in the window that opens I enter the address assigned by my Fritzbox, plus “\ XiaoMi-usb0”. The entry looks like this: “\\ 192.168.178.XX \ XiaoMi-usb0”. If I then click on “Browse”, a folder named “XiaoMi-usb0” is displayed in addition to the “Chinese folders”, but when I try to select this, a window always opens asking me to enter the “network login information ”Prompts. And at this point I'm stuck! What I... Continue reading "


Hello Timo, thank you very much for the super-quick answer! Even if what you write sounds reasonable - alone, I can't find the options mentioned. When you write about “app”, I assume you mean the smartphone app (in my case Android). The hard drive is displayed there under “Storage”, but I cannot select it separately, let alone activate “Samba read” somewhere. In my app I can only find Samba as a plugin, and when I tap this, a window opens with an on / off switch, which in my case is blue, i.e. enabled. I generally have the problem that everyone on the WWW seems to have a different web interface. When I log into the router via the IP, in contrast to all the screenshots seen so far on the web, I only have two options above, “Relay status” and “Relay settings” - others have the “Storage” option (i.e. after translation through Google!). Similar... Continue reading "



That's what I call a great support!
I would not have come to that in 3 years!

Thanks alot! It actually worked that way!

Dear Timo, thank you! ????

Best regards and have a nice "evening"! 😉


Hello Timo, after you helped me so much three weeks ago, I have to turn to you again for help: In the last step I installed the 3G router as a “wired repeater” in order to store backups on the USB-FP connected to it . After your help that worked. However, that was only the first step in what I was hoping to get working. After three weeks, I have received a second Xiaomi router. So I wanted to address the backup USB-FP wirelessly in a neighboring building (after Amazon crushed its unlimited cloud again after a year, I am looking for a "home solution" that also covers data loss due to fire, for example, hence the neighboring building) . My planned configuration: First (original) Xiaomi router as before as a “Wired Repeater” connected to the Fritzbox, from the “Wired Repeater” then wirelessly across the yard to the new Xiaomi Router (“Wireless Reoeater”)... Continue reading "


Hello Timo,

All clear, after a little tinkering could solve the problem itself. I have the second router briefly connected via LAN cable to the network, then the PC was also displayed as a device and I could enable Samba. Fortunately, the setting is retained even after the cable connection is disconnected. So now everything seems to work as I hoped. I'm also happy with the backup speed. Compared to the tedious upload to the Amazon Cloud (at 5.000 MBit / sec), everything now runs fine 10x faster. ????
I thought, I write this down here, if anyone else is interested in such a construct. ????


Hello Timo,

thanks for the great test.

Unfortunately, I can not find the Hong Kong / Taiwan firmware anywhere.

Do you have a link for me?


Hello Timo,

thanks for your quick response.
Let's see if I will do the whole “flashlight” to myself, had already read about it tonight and a few steps are necessary.

Thanks to you and the vouchers found here, I just ordered the 3G in Gearbest warehouse in the Czech Republic for 32 €. THANK YOU.

With me finally VDSL 100 is switched and I would like to boost with the rout in the ground floor the WIFI.
With the VDSL comes the 7590 into the house which then goes down by cable to 3G then the ground floor may fire. I'm looking forward to the repeater mode, if that is good.

At the moment it is the 7270 and below the TPLINK TL-WR1043ND with OpenWRT.


How to set up a guest wlan If I want to use the plug-in, comes a message that it is not for the router. Are there any other versions of the 3G?


Hello Timo,

I have found neither in the app, nor the browser in the wireless settings a function to do so. I found a plug-in only through the app. Thats not OK.

Unfortunately you can not insert pictures here. Maybe someone can email me a screenshot.



Hello Timo
No, under the 5G settings there is nothing for me.

With a different router configuration, but now go the plug-in's. And I also have a guest plug-in to set it.
Unfortunately I can not reach the router via the browser anymore, but only via app.
With me he has taken the IP: from my speedport. But unfortunately no access

Michael Gerlach

The discount code does not work anymore.
Has anyone else the problem or am I just too stupid?



Does anyone have a hint which German power supply I can use
or can I give the size of the barrel connector?

Thank you!


Hello. Can I rename the guest network?


Unfortunately I have extreme problems with OpenWRT 3 with the 18.06.1G. The 2,4 GHz Wi-Fi kicks after a few minutes gradually out the clients. When it comes time, the data rates are scary. The port forwarding also seems to be a buggy, not all devices can be reached from the Internet, with an identically configured TP-Link 841N everything works right away.
That's why you should use the 3G only with the original firmware or not at all. OpenWRT seems to be very buggy on the device ...


Have been using Prometheus from Freize.net for years and is running great. However, the thing shines into the basement from the 3rd floor, no idea how that is possible.


Mimo can do that thing. Is also on the official datasheet in Chienesisch.


Hello, I bought this router and I am so disappointed. I do not know if I got a factory faulty device but there is no way that I can get more than 26-30Mbit / s via 2.4GHz. I tried all possible settings, so to padavan but it is the same. Where my old TP-Link gives me stable 50Mbps, the Xiaomi starts with 40-50 for a second or 2 and then slows down to 25-30 and there is no chance to get more. I'm sitting right next to the router so the signal is -13. I'm no noob at this things and I tried everything. My friend bought 70Mbps over 2.4GHz. I have to disagree with all other devices which may interfere, tried different channels, width etc but nothing helps. Even with padavan it is... Continue reading "


can you also change the antennas with 3G ???


Hi guys,
How did you achieve such 5ghz LAN file transfer speeds? All I can squeeze out is 20MB / s


Did you use the stock ROM?


I have a Telekom fiber optic connection incl. Modem and this router with Prometheus firmware, can you use it as a router or does Fiber not run with it? Can't get it up to now, think the error is mine.


Thanks, then I have probably set it wrong and reset it to the default settings. At the moment there is a Speedport W724V and it manages almost 500 Mbit / s downstream from the 180 Mbit / s available. If configured correctly, the Xiaomi will definitely run better - I'm curious to see what happens - I will share the results with you - other people may also be interested.


I have now finished testing. With the Prometheus firmware and the correct settings, the router brings a sensational 610 Mbit / s downstream to 1000 GHz on a Telekom 5 Mbit / s FTTH connection!
The cheapest router for fiber if you already have a modem like me.