Signal Strength loss ArcherAX55 V1 (AX3000) since 1.4.1 Build 20250821 rel.70686(4555)
Since the firmware update (1.4.1 Build 20250821 rel.70686(4555)) of my AX55 V1 (Archer AX3000) Wi-Fi router, the signal strength has deteriorated significantly. Locations that previously had full signal strength are now barely accessible. After it stopped working properly, I tried various channels, 2.4G and 5G, and disabled SmartConnect. Unfortunately, none of this helped. I can't downgrade to the old version either, as the new one has a downgrade lock.
I hope someone can help me with this problem. The router worked like a charm before the update...
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Hello @rasebdon ,
Welcome to our community.
Could you please let me know how far away from the router you are testing the signal strength?
Are you unable to connect to WiFi at that location, or is WiFi connected but you have no internet access?
Here are some troubleshooting steps you can try to address unstable or weak Wi-Fi signals:
1. Check Router Placement:
• Ensure your router is placed in an open, central location, away from obstructions like cabinets or shelves. Physical barriers can significantly reduce the strength of Wi-Fi signals.
2. Adjust Wireless Settings:
• Log in to the router's web interface (http://tplinkwifi.net).
• Go to Advanced > Wireless > Wireless Settings.
• Try selecting different Wi-Fi channels to avoid interference from nearby networks.
• For 2.4GHz, set the channel width to 20MHz for better stability.
• For 5GHz, try setting the channel width to 40MHz or 80MHz.
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Thank you for you reply. The signal starts falling off after around 5 meters and is nearly gone after 15 (open doors, no thick walls). But as I said, everything worked fine before the new Firmware Update.
The Internet speed is good, but the signal strength is the problem. I have already tried all the troubleshooting steps, without success.
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Hello @rasebdon ,
Thanks for getting back to me.
We have not received similar feedback from other users.
Here are some additional suggestions to improve your Wi-Fi signal and eliminate dead zones:
1. Router Placement:
• Place your router in a central, open location, ideally on a desk or table at a normal height. Avoid putting it inside cabinets or near metal objects and electrical appliances, as these can cause interference.
• Make sure the router is not exposed to direct sunlight or excessive heat.
2. Wi-Fi Transmit Power:
• Log in to your router’s web interface (http://tplinkwifi.net).
• Go to Advanced > Wireless Settings and ensure that the 'Transmit Power' is set to High.
3. Wi-Fi Channel and Channel Width:
• Set the 2.4GHz channel width to 20MHz and the 5GHz channel width to 80MHz. Lower channel widths can help reduce interference.
• Try switching to different Wi-Fi channels to avoid interference from neighboring networks.
Since you mentioned that the signal strength issue started after a firmware update and all basic steps have been tried, it may be helpful to:
• Double-check if the firmware version is the latest official release from TP-Link’s website. If not, update or consider rolling back to a previous stable version if possible.
• Reset the router to factory settings and reconfigure it, as sometimes firmware updates can cause configuration issues.
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I Had the same issue on my AX55 v1. After that, I skipped the update on my other units.
From what I’ve seen, these bugs often happen when you update online without a backup.
Three ways to fix it:
1.Install the beta firmware from this thread: https://community.tp-link.com/en/home/forum/topic/843158
2. Restore your old config from backup.
3. Do a hard factory reset and set up everything again manually.
The factory reset + manual setup fixed it for me.
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