Device: iPhone model + iOS 27 beta build number Mac: Mac model + macOS version Issue: Mac connects to iPhone Personal Hotspot successfully, but after several minutes the hotspot disconnects automatically. Expected: Mac should remain connected while hotspot is enabled and devices are nearby. Actual: Wi-Fi disconnects and Mac loses internet. Workarounds tried: Maximum Compatibility, restarting Wi-Fi, disabling VPN/Shadowrocket, USB tethering. Frequency: happens repeatedly / every X minutes.