@MrsBexDE - nopes, I gave up after trying everything.

@Vincent-TP Thanks Vincent. I have now upgraded to the latest firmware version as mentioned by you. So now the things get even murkier from here on. The wifi shows connected, the status shows "No...

@Vincent-TP the issue only happens on Android phone and TVs. The internet works perfectly fine on Windows laptops, iPhone and Macbook. Even on Android devices, it shows they are connected to the SSID...

@Vincent-TP Still doesn't solve my problem. I create a new SSID at 2.4 GHz with the following settings.

I have "TP-Link Omada AC1350 Wireless Ceiling Mount Access Point Seamless Roaming,1200 Mbps,Dual_Band, Gigabit, MU-Mimo, Beamforming, Poe Powered, Free PoE Injector, (EAP225) " installed on the wall....