@Sunshine Hi, yes, the issue happens on both 2.4G and 5G. The device is well within AX55's range. The TV model is UA32K5500BJXZK and has the latest firmware. Thanks for your reply, but the real issue...

I have recently changed my home router from C20i to AX55. All devices work fine except my 7-year old Samsung Smart TV. Basically, it sometimes cannot connect to router/internet after powering on. I...