This fix worked for me. I had tried MANY fixes from other forums, but four, brand-new S8s continued to drop wifi randomly (both in our home with old Netgear and new Google routers, as well as when connected for longer periods in places like the gym, at the university, etc). We had switched to Spectrum Wireless and Spectrum Internet service and had a very difficult time finding a cure for this problem. Wifi drops out (seemingly) randomly and (definitely) intermittently, reconnecting on its own after 2-10 seconds. In short, I believe there is a flaw between Samsung hardware and the Spectrum Wifi Autoconnect that makes the phone "search" at certain intervals. I plan to keep an eye on the problem and see if this is a long-term fix. I am currently testing this by turning off mobile data while in my home and also turning off the "auto re-connect" for my home router. Then, I set up music streaming through the wifi connection on my phone. Should the music stop, that would indicate a drop-out of the wifi. I encourage others to try this fix as well and report back. I nearly sent back all four phones to Spectrum and cancelled my contract because I believed they were in breach of theirs to have working service and devices. They should take note and fix the problem. I will call their support team to report.
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