If your iPhone 14 battery drains faster than usual — especially on AT&T’s network — you can fix it by checking settings, apps, and background connections. Here’s what to do step by step.
Several factors can cause quick battery drain:
5G connectivity constantly switching between bands
Background app refresh using mobile data
Location services running all the time
High display brightness and always-on screen
Recent iOS updates still optimizing in the background
Restart your iPhone 14 — this clears temporary network and app glitches.
Update iOS: Go to Settings → General → Software Update.
Check AT&T signal strength — poor coverage makes your phone use more power.
Lower screen brightness or disable Always-On Display (Settings → Display & Brightness).
Go to Settings → Battery → Battery Health & Charging.
Turn on Optimized Battery Charging.
In Battery Usage, check which apps drain the most and restrict them.
Turn off Background App Refresh under Settings → General.
Disable Location Services for apps that don’t need it (Settings → Privacy).
If battery drain happens mostly on AT&T’s mobile data:
Switch to LTE instead of 5G temporarily (Settings → Cellular → Voice & Data → LTE).
Ensure Wi-Fi Calling is enabled to reduce radio use indoors.
Reset Network Settings if needed: Settings → General → Transfer or Reset iPhone → Reset → Reset Network Settings.
After major iOS or carrier updates, your iPhone might use extra power for a day or two while re-indexing data — this is normal. If the issue continues longer, contact AT&T or Apple Support to check for carrier-specific power management updates.
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