Solution [Solution] Deco M4 supports Band 4 on 5 GHz for Bangladesh users
Background:
Some customers from Bangladesh reported that the mobile devices only work with band 4 (channel 149-165) on 5 GHz, which requires the Deco mesh 5 GHz to work on band 4 channels. The new shipping Deco devices to Bangladesh have a built-in band 4-supported firmware 1.4.1 Build 20200714 Rel. 47859 now.
For the previous stock with generic firmware 1.4.3 Build 20200918 Rel.74289 or 1.4.1 Build 20200721 Rel. 24433 which did not support band 4, there has been a beta version (1.4.3 Build 20210324 Rel. 63599 for V2, 1.4.3 Build 20210317 Rel.03630 for V1). If you are located in Bangladesh and purchased the Deco M4 from the local/online store, please contact local tech support to request the beta firmware that supports band 4 on 5 GHz.
Solutions:
Some of you may still be confused, especially when there is a newer firmware 1.5.0 Build 20210511 Rel. 34580, whether you need to update or not, will it support band 4, etc., we will explain as follows:
1. For the products with 1.4.1 Build 20200714 Rel. 47859 or beta 1.4.3 Build 20210324 Rel. 63599, it is OK to update to the latest 1.5.0 version, and it will keep supporting band 4, you will also get the new features supported on the latest version.
2. For the products with generic firmware 1.4.3 Build 20200918 Rel.74289, it is not recommended to update to the 1.5.0 directly after onboarding, please contact the local tech support to request the beta firmware that supports band 4 on 5 GHz first, then update to the latest 1.5.0 version.
3. If you have updated to the 1.5.0 already from the generic 1.4.3 Build 20200918 Rel.74289 and noticed that the new 1.5.0 still does not support band 4 on 5 GHz, you might need to run a firmware recovery first, then install the beta firmware. Here are the detailed suggestions:
- Contact local tech support to request the beta firmware that supports band 4 on 5 GHz first.
- Please refer to this link to run a firmware recovery firmware on Deco M4, How to use firmware recovery if the Deco become brick
- Install the beta firmware you have got from the local support.
- Then update to the latest official 1.5.x firmware from the beta version.
Note: If you are NOT located in Bangladesh, nor you require the support for band 4 on 5 GHz, DON'T update to the beta firmware 1.4.3 Build 20210324 Rel. 63599, otherwise, you will no longer get the 5 GHz signal if your mobile devices don't even work on band 4.
If you have any further issues, please feel free to let me know.
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Hi, I have sent the beta firmware already and you didn’t get the message?
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@TP-Link Thanks got the message. Now will let you know the update.
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@TP-Link Thanks the beta drive is working like charm. Got new update notification of firmware 1.5.7 Build 20210819 Rel. 43499 . Does this version support band 4 ? Should i upgrade to it ?
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Hi, since your current beta 1.5.1 firmware supports band 4 and once updating to 1.5.7, it would support band 4 as well.
So you could update to 1.5.7.
(in other words, if your current firmware does not support band4, even though you updated to 1.5.7, it would not support band 4 either.)
Thank you very much.
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I'm a user of Deco E4R which I bought two years ago. Initially, this deco doesn't support 5GHZ, band 4. After giving the 1.4.1 update, I could use 5GHZ. Recently I updated my deco to 1.5.1. Since then I can't use 5GHZ anymore. I tried to downgrade the software but it says "Please select the latest version of firmware to upgrade". How can I downgrade my firmware version?
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Hi,
Please refer to this link to flash firmware 1.5.1 back to 1.4.X:
Run a firmware recovery on the Deco E4 and upload the firmware I sent to you via private message.
Then try to update to 1.5.1 again from the beta 1.4.3.
Please keep me updated whether it still keeps band 4 for 5ghz this time.
Thank you very much.
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@TP-Link Deco M5 need the same supports Band 4 on 5 GHz for Bangladesh users
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Hi, could you please send me a private message about the MAC address of your main Deco and your TP-Link email ID for Deco APP?
Thank you.
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@TP-Link Hello. So I was using a Deco M4 where my firmware was 1.4.3 Build: 20200918. So a local tech support guy from link3 helped me with it by giving me a firmware file which was I suppose the Beta firmware you are talking about. So it was all good for a day then suddenly my M4 stopped working. DHCP wasn't working so none of my devices couldn't connect. So I had to reset. It was working fine for few days but then again this happened today. I am not getting any new firmware updates. My current firmware version is: 1.4.3 Build 20210317 Rel. 03630. What should I do now?
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