For the black EE Smart Hub, but not the white EE Smart Router, try separating the wireless bands/SSIDs. On the Advanced > Wireless Settings page of the SH there is a button near the top to Separate the Bands. Turn it ON. Then the 5GHz SSID will appear starting with "5GHz-" & the 2.4 GHz SSID not starting with "5GHz-". Then connect your devices to the 2.4 GHz SSID if they can't do 5GHz. The Smart Router doesn't allow this.
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To phone EE CS: Dial Freephone +44 800 079 8586 - Option 1 for Mobile Phone & Mobile Broadband or Option 2 for Home Broadband & Home Phone
ISPs: 1999: Freeserve 48K Dial-Up > 2005: Wanadoo 1 Meg BB > 2007: Orange 2 Meg BB > 2008: Orange 8 Meg LLU > 2010: Orange 16 Meg LLU > 2011: Orange 20 Meg WBC > 2014: EE 20 Meg WBC > 2020: EE 40 Meg FTTC > 2022:EE 80 Meg FTTC SoGEA > 2025 EE 150 Meg FTTP
