Just received a TL-WR902AC router, trying to share my phone hotspot. Phone is a Samsung Galaxy S20. I'm in Australia. Router won't detect SSID of phone if phone is set to 5GHz, detects it ok if phone

I put the modem into shared hotspot mode and was able to connect to my Samsung Galaxy S21 Ultra 5G when the Samsung had the wifi hotspot turned on with 5GHz preferred or 2.4 GHZ preferred set. But whe