Fix Fast Battery Drain on iPhone After iOS 18 Update
After updating to iOS 18 , some iPhone users notice faster battery drain — especially during the first few days. This is normal while the system reindexes files and updates background processes. However, if the issue persists, follow these steps to restore normal battery life. Step 1: Check Battery Usage by App Go to Settings > Battery and review which apps consume the most power. Tap each app name to see if it’s running frequently in the background. If an app shows high usage but you rarely use it, disable its background activity. Step 2: Turn Off Background App Refresh Navigate to Settings > General > Background App Refresh and choose Off or Wi-Fi only . This prevents apps from constantly updating while you’re not using them. Step 3: Recalibrate Battery Health Fully charge your iPhone to 100%, then let it drain to 0% until it shuts down. Recharge it back to 100% without interruption. This helps iOS recalibrate its battery statistics for more accura...