Hello folks! If your iPhone’s battery has been draining fast since you installed iOS 26, you’re not alone. It’s one of the most reported issues on Apple’s support forums right now. The good news is that most of the drain comes from a handful of fixable settings and temporary background processes, not a failing battery. Follow the steps below in order and you should see a real difference within a day.
Quick answer: Most iOS 26 battery drain comes from the new Liquid Glass visual effects, background indexing right after the update, and a few power-hungry settings. Check Settings > Battery to find the worst offenders, turn on Adaptive Power, tone down the visual effects, and give your iPhone a day or two to settle. That combination fixes it for most people.
Why iOS 26 drains battery faster
A few things are different this time around. iOS 26 introduced the Liquid Glass interface, which adds translucency and animation effects across Control Center, the lock screen, and app sheets. All of these use more GPU power than the flatter look in previous versions. On top of that, any fresh iOS update triggers background indexing (Spotlight re-scanning your files, photo analysis, and app data migration) that can run hard for 24–72 hours after you update. Combine those two factors with a battery-hungry app you haven’t audited in a while, and the drain adds up fast.
Step 1: Check what’s actually using your battery
- Open Settings > Battery.
- Wait a few seconds for the usage graph to load, then scroll down to see battery use broken down by app over the last 24 hours and 10 days.
- Tap any app in the list to see how much of its usage happened in the background versus while you were actively using it.
If one app is responsible for a disproportionate share of background usage, that’s your first target. Either update it, limit its background activity (Step 4), or remove it temporarily to confirm it’s the cause.
Step 2: Turn on Adaptive Power
iOS 26 added a new battery-saving mode for Apple Intelligence–compatible iPhones that automatically makes small performance adjustments, like slightly dimming the display or delaying non-urgent background tasks, when it detects you’re using more battery than usual.
- Go to Settings > Battery > Power Mode.
- Turn on Adaptive Power.
You can still switch on regular Low Power Mode from the same screen (or from Control Center) whenever you need a bigger, temporary boost.
Step 3: Reduce Liquid Glass’s visual load
The translucent effects introduced in iOS 26 look great but cost extra battery on top of every screen transition. Dialing them back helps, especially on older iPhone models.
- Go to Settings > Accessibility > Display & Text Size.
- Turn on Reduce Transparency and Reduce Motion.
With Reduce Transparency on, you’ll also find a plainer Liquid Glass option under Settings > Display & Brightness if you’d rather keep some of the visual style without the full animation overhead.
Step 4: Rein in background activity
- Go to Settings > General > Background App Refresh and turn it off for apps you don’t need updating in real time (news, shopping, social apps are common offenders).
- Go to Settings > Siri & Search and turn off Listen for “Hey Siri” if you mostly use the side button to trigger Siri. The always-on microphone listening is a small but constant drain.
- Go to Settings > Display & Brightness > Always On Display and turn off Blur Wallpaper Photo. This is a new iOS 26 effect that keeps the GPU working even when your phone is “asleep” on the lock screen.
Step 5: Let the update settle, then restart
If you updated in the last few days, some of the drain is simply Spotlight and Photos finishing their post-update indexing. Give it 2–3 days before assuming something is permanently wrong. In the meantime, a proper restart clears out any stuck background processes:
- Press and quickly release Volume Up.
- Press and quickly release Volume Down.
- Press and hold the Side button until the Apple logo appears.
Tips and troubleshooting
- Offload and reinstall problem apps. If one third-party app keeps showing up at the top of your battery list even after updating it, offload it (Settings > General > iPhone Storage > tap the app > Offload App) and reinstall it fresh. This clears any corrupted background state.
- Check Battery Health. Go to Settings > Battery > Battery Health & Charging. If Maximum Capacity has dropped below 80%, no amount of software tweaking will fully fix the drain. The battery itself is due for service.
- Update your apps, not just iOS. Developers frequently ship fixes for battery bugs within a week or two of a major iOS release. Check the App Store’s Updates tab.
- Avoid extreme temperatures. Leaving your iPhone in direct sun or a hot car degrades battery performance faster than almost anything else.
Frequently asked questions
Will Apple fix the iOS 26 battery drain in a future update?
Apple has a strong track record of shipping battery-focused fixes within the first few point releases after a major iOS launch (as it did with iOS 26.0.1 and 26.4). If your drain doesn’t improve after the steps above, it’s worth checking for a newer iOS version under Settings > General > Software Update every few days.
Does Low Power Mode stay on permanently, or turn off by itself?
Low Power Mode automatically turns off once your iPhone charges back above 80%. Adaptive Power, by contrast, runs quietly in the background all the time once enabled and doesn’t need to be manually toggled off.
Is it normal for battery drain to be worse right after updating?
Yes. Background indexing and app data migration after any major iOS update can noticeably increase battery use for 24–72 hours. If drain hasn’t improved after 3 days, move on to auditing individual apps.
Should I restore my iPhone as new if nothing else works?
It’s a last resort, but a clean restore (via Settings > General > Transfer or Reset iPhone) does rule out a corrupted setting or app data as the cause. Back up first, and only try this after you’ve worked through the settings above and ruled out battery health as the culprit.
Battery drain after a major iOS update is frustrating, but it’s rarely permanent. Work through the Battery settings, Liquid Glass, and background app steps above, give the update a few days to settle, and your iPhone should be back to its normal battery life.
Featured image: “Mobile phone charger plugs” by Mk2010, licensed under CC BY-SA 3.0.
Featured image: James Tamim, via Wikimedia Commons (CC BY-SA 4.0).