Solution Network Becomes Unstable on Archer AX12 After Updating Firmware to 1.2.1
This Article Applied to:
Archer AX12(EU)_V1_ 1.2.1 Build 20250729
Phenomenon:
Some of our users have reported unstable connectivity after updating their routers Archer AX12(EU)_V1 to 1.2.1. This includes:
1. The WAN is frequently disconnected and usually reconnects automatically after a few minutes.
2. Random disconnections on one of the wireless bands, etc.
Our user Zeragon first reported it in this thread.
Available Solution:
After testing, our relevant department has identified the cause and quickly provided a beta firmware. Several users have verified this beta firmware to resolve the unexpected behaviors.
Please download and manually update the beta firmware if you experience any of the unexpected behaviors mentioned above.
| Model | Direct Download Link |
| Archer AX12(EU)_V1 | Archer AX12(EU)_V1_1.2.2 Build 20250904(Beta Firmware) |
Note:
- Please be sure you have read the Beta Test Agreement before upgrading the pre-release firmware!
- For the sake of insurance, it's always recommended to save a copy of the router's Backup Config file before upgrading or downgrading.
- You may follow the guide to upgrade the firmware of your router. How to Upgrade the Firmware on the TP-Link Wi-Fi Routers.
If your Archer AX12 experiences other unusual behavior after updating to 1.2.1, please feel free to submit your information here. This includes but is not limited to:
1. Complete network topology;
2. Specific exception details;
3. When the problem started, etc.
Thank you for your feedback and cooperation.
