Xiaomi WiFi Router 3G

For Developers
1167

BTW for those curious about speed, there's a bunch of work in upstream linux in the staging directory. Neil Brown improved the performance of SPI for example. https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/staging/mt7621-spi?h=next-20180817&id=bf732c6bff5b5767a1c2ec6495dccd76d71c05eb

Not valid for the 3G but still.

1168

They are upset memory is limiting the OC potential. I think they are having trouble derivating the memory clocks from something besides CPU.

1169

Here's some more info on clocks. Not sure if it helps: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/staging/mt7621-dts?h=next-20180817&id=97738374a310b9116f9c33832737e517226d3722

1170

I would like to use Lede instead of padavan, because it is more flexible. Unfortunately the wireless performance is quite weak of Lede fw. I hope somebody will fix it.

1171

What about the new 18.06.1 ?
Is it better? No LUCI gui issues? 2.4ghz performance?

1172

my network connection only marks 100mb on the computer and my network card is 1Gb, this happens in Openwrt, in padavan with 1Gb.
Anyone else with this problem?

1173

Guys, this topic was intended for adding support for the Xiaomi MiWiFi 3G.
Since official 18.06.1 images are available, I will set a timer for this topic to close.

Why?

Because specific problems for this device with official releases are better handled in separate topics, in order to make finding relevant information easier. Who is going to read the previous 1100-something postings, if he has a specific problem with 18.06.1 and wifi?

Therefore: Please open new topics for any open issues with this device.

2 Likes
1174

Since official 18.06.1 images are available

this means that the wifi problem is fixed in 18.06.1?
Because if not, I would consider this as still not supported on current version.

1 Like
1175

is this an official installation instruction?

the device page links Installation method to a doesn't exist page.

1176

I follow the instruction from below link

https://klseet.com/267-lede/lede-miwifi/392-miwifi-3g-lede-unifi-ready

1177

thx. that link gives me an Error 522,i'll try it later.

1178

The official installation is on this PR: https://github.com/lede-project/source/commit/f2107fc328ff7f9817fe9ca64f84bba9e32abfc6

Installation - from stock.

Installation through telnet/ssh:
- copy lede-ramips-mt7621-mir3g-squashfs-kernel1.bin and
  lede-ramips-mt7621-mir3g-squashfs-rootfs0.bin to usb disk or wget it
  from LEDE download site to /tmp
- switch to /extdisks/sda1/ (if copied to USB drive) or to /tmp if
  wgetted from LEDE download site
- run: mtd write lede-ramips-mt7621-mir3g-squashfs-kernel1.bin kernel1
- run: mtd write lede-ramips-mt7621-mir3g-squashfs-rootfs0.bin rootfs0
- run: nvram set flag_try_sys1_failed=1
- run: nvram commit
- run: reboot
1 Like
1179

cool,thanks.

1180

It's not sufficient, though, because you need to obtain and flash a special firmware to get SSH access. There are instructions somewhere in this thread about how to do it. There are some in the first message in the thread, but I don't know if they work anymore. Also, be sure to make a backup of the partitions before you overwrite them.

1181

To enable SSH:

  1. Flash developer firmware from web gui, for example this: http://bigota.miwifi.com/xiaoqiang/rom/r3g/miwifi_r3g_firmware_c2175_2.25.122.bin
  2. Bind your router to your xiaomi account via Mi Wi-Fi app (android: https://play.google.com/store/apps/details?id=com.xiaomi.router)
  3. Go to this page (pay attention to the URL, it must be HTTPS not HTTP, change it manually if it revert to HTTP): https://d.miwifi.com/rom/ssh
  4. Login with your account
  5. Click on "下载工具包" button to obtain your unlock file, take note of your SSH password
  6. Rename the file to miwifi_ssh.bin
  7. Put it in your usb flashdisk (must be MBR and FAT32)
  8. Power off your router
  9. Plug in the flashdisk
  10. Press and hold the reset button
  11. Power on your router (while holding the reset button)
  12. The router's will flash LED with flash orange, release the reset button when it is flashing rapidly (and you see activity led flashing on your flashdisk if it has one)
  13. Wait until the LED turns blue
  14. The router will reboot and you can login to SSH shell with root and the provided password

And then you can proceed to flash LEDE...

1 Like
1182

Is there a quick way to reset openwrt cfg by the reset button on this router? I had openwrt 18.06.1 up and going 20min after unboxing but it seems like enabling 5G on channel 36 stopped the router from booting. It gets as far as enabling the 2.4ghz radio but no 5Ghz radio comes up, and it's inaccessible from LAN and can't connect to the 2.4ghz radio.

1183

@ szomi
I'm now on padavan and the wifi looks stabile since two days. Thanks for your help!

1184

Perform a fresh install with 18.06.1, wifi 2.4ghz work better but still unstable, it may freeze for a few mintue and able to send and recevie again.

1185

Press and hold the reset button for 5-8 seconds should do the trick.

1186

Gentle reminder:

Guys, this topic was intended for adding support for the Xiaomi MiWiFi 3G.
Since official 18.06.1 images are available, I will set a timer for this topic to close.

Why?

Because specific problems for this device with official releases are better handled in separate topics, in order to make finding relevant information easier. Who is going to read the previous 1100-something postings, if he has a specific problem with 18.06.1 and wifi?

Therefore: Please open new topics for any open issues with this device.

1 Like