iPhone battery drains fast on iOS 26 due to background tasks and app issues. [Photo: AI Generated]
Many iPhone users have noticed that their battery is draining faster after updating to iOS 26. Even using the phone lightly can cause the battery to drop quickly. Some phones may heat up, apps may start lagging, and users may feel frustrated. If your iPhone battery seems weaker than before, don’t worry—this is a common issue after major iOS updates.
After updating to iOS 26, your iPhone starts running extra background tasks. It reindexes files, updates apps, syncs data, and optimizes settings. These processes need more power, which can make your battery seem weaker than usual. This is normal and usually temporary.
iOS 26 introduces Adaptive Power Mode to save energy. While this feature is helpful, it can sometimes make your phone feel slower. Users may worry that their battery is failing, but the system is actually adjusting performance to save power and extend battery life.
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Older apps that are not fully optimized for iOS 26 may use more battery than normal. Updating all apps is important to prevent extra battery drain. Battery health also plays a big role. iPhones with older batteries may not hold a charge well. Even minor updates like iOS 26 can make an old battery appear weaker.
Start by giving your iPhone some time to complete all background tasks. Right after an update, your phone is busy reindexing files, optimizing apps, and updating settings. Battery performance usually improves within a few hours or a day.
Enable Adaptive Power Mode. This feature lowers brightness slightly and slows some background tasks without affecting your daily use.
Update all your apps. Developers release updates to make apps work better with iOS 26. Using outdated apps can put extra strain on your battery.
Check which apps are using the most battery. Go to Settings → Battery to see usage percentages. Limit use or remove apps that use unusually high power.
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Your iPhone screen uses a lot of battery. Lower the brightness or turn on Auto-Brightness to save energy.
If your iPhone has Always-On Display, consider turning it off. Using Dark Mode can also save power, as it uses less energy on some screens.
Small changes like shortening auto-lock time or reducing animation speed can add hours to your battery life each day.
Many apps track your location even when you are not using them. Turn off location access for apps that don’t need it.
Background App Refresh lets apps update content in the background. Limiting it to Wi-Fi or turning it off for some apps can save battery.
Push notifications also use battery. Turn them off for apps you don’t need notifications from. Regularly checking these settings can keep your iPhone efficient.
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Turn off AirDrop, Bluetooth, and Wi-Fi when not in use. Disable Raise to Wake to stop the screen from turning on every time you lift the phone.
Use Low Power Mode to temporarily reduce background activity, lower brightness, and optimize performance for longer battery life.
Avoid leaving your iPhone in hot environments because heat makes the battery drain faster.
iOS 26 includes a Battery Health feature. You can check it in Settings to see your battery’s maximum capacity.
If your battery capacity is below 80% or your phone feels slower, replacing the battery may be the best solution. Even with software fixes, an old battery will continue to drain fast.
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