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Wi‑Fi & connectivity

Wi‑Fi that drops, mobile data that won’t turn on, and network resets when nothing else works. Plain steps first. OEM menu names noted where they differ.

  1. My phone won't stay on Wi‑Fi. What should I try first?Fix Android Wi‑Fi that keeps disconnecting: forget network, router reboot, and phone-side checks.

Tip: If a setting name looks different on your phone, that is normal. Samsung, Pixel, and other brands rearrange menus. We note those differences on each answer page.