Improve TP-Link TL-MR6400 WiFi Download Speed

Posted on October 21, 2018 at 11:17 am

I recently got a TP-Link TL-MR6400 to use it with a 4G SIM card. However once I configured all I noticed that the WiFi download speed was 50% slower than with wired (cable). So I made a quick test by disabling the WiFi password (check “Disable Security”):

And I immediately noticed the WiFi download speed increased a lot. However I wanted to secure the WiFi so instead of enabling the password, I made sure only specific MAC addresses were allowed to use the WiFi connection:

Additionally I also modified the Wireless settings like the image below:

Finally, the WiFi download speed was same as when wired:

Here are other useful links:

What should I do if internet WiFi speed is slow?
How to improve my wireless speed or range?
Download Firmware for TL-MR6400 V3

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