I randomly have a Samsung Galaxy S8 on my network never seen it before (we are an Apple house sans our Samsung TV). I changed the network and PW after seeing this
Galaxy S8 64GB (Unlocked) Phones - SM-G950UZKAXAA | Samsung US
SOLVED] Android devices can only detect Channel 149 153 157 161 on 5GHz Band | SmallNetBuilder Forums
Amazon.com : Dragon Touch Notepad K10 Tablets with 32 GB Storage, 10 inch Android Tablet, Quad Core Processor, IPS HD Touch Screen, Micro HDMI, 8MP Camera, 2.4Ghz & 5Ghz WiFi Tablet, Black : Electronics
Any way to set mobile hotspot to 5Ghz? | XDA Forums
Why I cant change my hotspot to 5GHz? : r/GalaxyS8
Samsung Galaxy S8 - Wikipedia
Samsung Galaxy S8 release date, specs, and price details | WIRED UK