Why won’t a WPA2-only device join my Wi‑Fi 6/6E router?
Wi‑Fi generation and encryption are separate. Some legacy clients fail with WPA3/hybrid modes even when 2.4 GHz exists. A temporary WPA2 compatibility test can confirm this.
Client security support; band; firmware.
Replace obsolete insecure device if no safe compatible mode.
Show the technical detail
On a managed Wi-Fi plan
Use platform compatibility setting with authorisation and assess security trade-off.
On another provider's router
Check provider hub’s WPA mode.
What to be careful of
Never recommend an open network.
Where this comes from: Official · see the original source ↗ · Draft—technical review · checked 17 August 2026