@Alex28 , There is currently no firmware update for the AX20. You can keep the Auto update button on to ensure you receive the latest notifications.

@Flipe, There's no explicit mention of a flow controller causing the issue. I have replied to you in another post. It is recommended that you reply in a single post. In case I missed your reply.

@Feriman , May I confirm what is the firmware version of your Archer AX53 now? I will send you a beta firmware via Message, please install it and test if it helps.

Hello @melwin , Please click here to learn about the local Warranty & RMA Policy.

Hello @ash_tokyo ， Thanks for contacting our community. If you want to set the VPN client, please refer to Archer AXE5400(USW)_V1.6_User Guide(from page 83). However, at present, the speed of OpenVPN...

Hello @blurrgh , Thanks for contacting our community. It seems that the network on the router is unstable on both the WAN connection and wireless connection. Please try the suggestions...