Fi, figure out if it's the phone or router first, and then try these 10 fixes.

An small number of iPhone 17 owners have taken to Apple's support forums asking for help over their Wi-Fi connection dropping intermittently. It's always possible to have Wi-Fi issues on the iPhone ...

Updating to iOS 18.6 should bring improvements and bug fixes, but for some users, it’s brought an unexpected headache: Wi-Fi problems. If your iPhone suddenly refuses to connect to your home or office ...

iPhone 17 users are reporting that Wi-Fi sometimes cuts out. The issue seems to affect all four iPhone 17 models. A fix will hopefully arrive with iOS 26.1 or sooner. A new iPhone lineup invariably ...