Solution Manual Band Selection for 4G WiFi Routers
If you have experienced an issue of disconnecting or slowness on the 4G Wi-Fi router’s network due to the auto band selection, Please download and install the following beta firmware on the router to manually fix the band.
Please be sure you have read The Beta Test Agreement before proceeding!
| Archer MR600(EU) v2 | supported via latest official firmware |
| Archer MR600(EU)_V1 | Archer_MR600(EU)_V1_220818 |
| Archer MR400(EU) V4.2 | supported via official firmware |
| Archer MR400(EU) V4 | Archer_MR400(EU)v4_20210408 |
| Archer MR400(EU) V2/V3 | LTE_GATEWAY_20200325 |
| Archer MR200(EU) V5.2 | supported via official firmware |
| Archer MR200(EU) V5 | |
| Archer MR200(EU)V3/V4 | LTE_GATEWAY_20200325 |
| TL-MR6500V(EU)V1 | supported via latest official firmware |
| TL-MR6400(EU) V5.2 | supported via latest official firmware |
| TL-MR6400(EU) V5 | TL-MR6400(EU)v5_20201113 |
| TL-MR6400(EU) V3/V4 | LTE_GATEWAY_20200325 |
| TL-MR6400(APAC) V3 | LTE_GATEWAY_20210129 |
| TL-MR150(EU)V2 | TL-MR150(EU)v2_20200930 |
| TL-MR150(EU)V1 | LTE_GATEWAY_20210108 |
| TL-MR100(EU)V1 | supported via latest official firmware |
| M7450(EU) V2 | M7450(EU) _V2_20220303 |
| M7650(EU) V1.1 | M7650(EU)_V1.1_20220427 |
Note: For MR600 v1/v2, Please note that not all combinations of the 4G bands are supported in 4G+ mode. Only when the router and the SIM card support the same combinations of 4G band in 4G+ mode, the bands might be aggregated successfully.
Besides from the beta firmware, it is also planned to release the official firmware for Band selection. Keep an eye on the official website or router web GUI for the new updates.
If you are not sure about how to select the band manually on the router web interface, check the instructions below:
How to select 4G band manually on the web interface of LTE Gateway Routers?
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Please explain what does it mean by locked up multiple times in two days? Did the router get stuck, you cannot login or manage it, or unable to connect to the internet?
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Simi wrote
Since I upgraded to the new beta the router (MR600) has locked up multiple times in two days, only solved by a reboot
You really need to enable the daily reboot option, it slowed to a standstill after 1/2 to 3 days on all previous versions. Haven't tested on this beta. It's not a complete solution, I power cycle every week as well. It's a disappointing device even when it's working.
Also possible your configuration is broken, export the settings, reset to factory and reimporting them is worth trying.
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Hi, I tried to install the beta version firmware for my router TL-MR150(EU) V1, but it did not work. The installation process aborts with the following warning "Error code: 71211 Failed to upload upgrade file. Please select the correct file".
Obviously I uploaded the file "LTE_GATEWAYv3_1.11.0_0.9.1_up_boot(200325)_2020-06-12_15.48.55", as indicated by you. Please, fix quickly this issue, otherwise I will have to reject the router, which I bought just six months ago. Thanks for your support.
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Hi, before the upgrade, did you extract the zip file? Any other computers for you to try to upgrade?
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Yes, of course I extracted and uploaded the file .bin, but it did not work. I have tried also by a different computer, but the installation process continue to abort as before: always the same warning with error 71211 is shown.
The router without the manual band selection is useless, because by means the auto selection it exploits the band 20, which in Italy permits a slow internet connection. I suppose the new firmware is unstable yet. Please, solve this problem.
Thanks for your quick feedback.
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@Kevin_Z ,
hi , i have seen that in first page there is this firmware for Archer Mr 600 V1:
https://static.tp-link.com/2020/202012/20201207/Archer_MR600v1_1.1.0_0.9.1_%5b201204-rel66940%5d_up_boot_2020-12-04_19.05.35.zip
This release (Rel66940) is official or Beta Firmware?
Thanks
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Sorry we don't have that selling info in the local market, you may contact the local sales email or distributor to confirm it.
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That is weird, you may download the beta firmware again from the link that I previously provided to try again.
BTW, we have reported the issue to the support engineers, they will likely reach out to you via email to continue to troubleshoot your issue.
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