Compare what works in Apple apps, third-party apps, Wi-Fi, mobile data, and external accessories before resetting the phone.
AirPods connected but no sound? First select AirPods as the active audio output and raise the device volume. Then confirm both earbuds are charging, test each side, and re-pair or reset only if those basic checks fail.
A deeply discharged battery, a frozen system, a damaged display, or a charging-path problem can make an iPhone show signs of charging without starting.
The iPhone has joined the router, but the network, captive portal, VPN, Private Relay, DNS, or saved configuration is not passing internet traffic.
Audio may still be routed to the iPhone, another device, a call profile, or a muted output even though the Bluetooth accessory shows connected.
Carrier service, blocked contacts, iMessage routing, Focus filtering, SIM or eSIM state, storage, or message settings can prevent SMS or iMessage from arriving.
Blocked microphone openings, Bluetooth routing, app permissions, a case, software state, liquid, or hardware damage can make calls or recordings silent or muffled.