@Yhassoun Try this recommended solution and see if it will improve things for you. Use these wireless security settings:

@Pamrish You can easily check if that's a known laptop or not when you turn Access Control on and blacklist the laptop's MAC address.

@JC0309 Yes, you can do that - here's how to setup Deco in AP mode.

@baltbena I can think of three options you could use to achieve your goals: 1. To be able to use VLANs you need a business grade router like these here. 2. If you choose to use your AX50 with one of...

@TomiKes Try the troubleshooting steps from this thread.

@Mursid_Rahman I would suggest to hard reset the router and reconfigure from scratch, then test the device stability again. If the issue persists you can downgrade the router to FW v1.0.3 the same...