[Expert Tips] How to Fix iPhone 16e/iPhone SE 4 Battery Draining Fast

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By Anna Sherry

2025-02-20 / iPhone SE 4

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Is your iPhone 16e/iPhone SE 4 battery draining fast, leaving you frustrated? You’re not alone. Many users report rapid battery depletion, even with minimal usage. Whether it's a software glitch, background apps, or battery health issues, there are ways to extend your iPhone's battery life. In this guide, we'll explore effective solutions to fix iPhone 16e/iPhone SE 4 battery drain issues and help you make the most out of your device’s power.

Part 1. Why is My iPhone 16e/iPhone SE 4 Dying So Fast

Battery drain issues on the iPhone 16e/iPhone SE 4 can be frustrating, especially when the phone struggles to last a full day. Several factors contribute to excessive battery consumption, ranging from background processes to outdated software. Here are some common reasons:

  • High screen brightness and background app activity
  • 5G connectivity consuming more power
  • Too many notifications and background refresh processes
  • Battery health deterioration
  • Software bugs or iOS glitches
  • Location services, Bluetooth, and other features running constantly

Part 2. How to Fix iPhone 16e/iPhone SE 4 Battery Drain Issues

In case of your iPhone 16e/iPhone SE 4 battery draining fast, implementing these solutions can significantly improve its performance.

1. Optimize Battery Settings (Low Power Mode, Auto-Brightness)

One of the simplest ways to improve battery life is by optimizing your iPhone’s battery settings. Enabling Low Power Mode can significantly extend battery life by reducing background activity, mail fetch, and system animations.

  • You can turn it on via Settings > Battery. Additionally, reducing screen brightness or enabling Auto-Brightness in Settings > Accessibility > Display & Text Size helps conserve battery power.
  • Another useful setting to tweak is Raise to Wake, which you can disable in Settings > Display & Brightness to prevent the screen from turning on unnecessarily.
Methods:
  • You can turn it on via Settings > Battery. Additionally, reducing screen brightness or enabling Auto-Brightness in Settings > Accessibility > Display & Text Size helps conserve battery power.
  • Another useful setting to tweak is Raise to Wake, which you can disable in Settings > Display & Brightness to prevent the screen from turning on unnecessarily. If your iPhone 16e/iPhone SE 4 battery draining too fast, adjusting these settings can make a noticeable difference.
enable low power mode

2. Close Background Apps & Disable Unnecessary Features

Background activity is a major culprit behind battery drain, so closing unnecessary apps and disabling Background App Refresh can make a difference.

  • To do this, head to Settings > General > Background App Refresh and turn it off for apps that don’t need constant updates.
  • Similarly, disabling Hey Siri in Settings > Siri & Search prevents your phone from always listening, further reducing power consumption. If you’re looking for an iPhone 16e/iPhone SE 4 battery drain fix, limiting background tasks is an effective step.

3. Turn Off 5G, Location, and Bluetooth When Not in Use

Another effective fix is turning off unnecessary network features like 5G, Bluetooth, and Location Services. Keeping 5G enabled when you’re in an area with poor network coverage forces your device to work harder to maintain a signal, which drains the battery faster.

You can switch to LTE via Settings > Cellular > Voice & Data. Also, disabling Bluetooth when not in use by toggling it off in Control Center and restricting location access for apps via Settings > Privacy & Security > Location Services will help extend battery life.

Users on iPhone 16e/iPhone SE 4 battery draining fast Reddit discussions often report that turning off unnecessary network features significantly improves battery performance.

turn off 5g

4. Reduce Notifications & Limit Background App Refresh

Notifications can also contribute to excessive power consumption. Reducing unnecessary alerts can help your iPhone 16e/iPhone SE 4 losing battery fast last longer.

  • You can customize notifications by going to Settings > Notifications and disabling them for apps that don’t require real-time updates.
  • Additionally, limiting Background App Refresh prevents apps from constantly updating in the background, which can consume significant battery power.

5. Use Dark Mode to Save Battery

Using Dark Mode is another simple but effective way to optimize battery usage, particularly on OLED screens.

  • You can enable it via Settings > Display & Brightness, where you’ll find an Automatic option to switch between light and dark modes based on time of day.
  • This setting helps conserve power by reducing screen energy consumption and is a useful strategy for those experiencing iPhone 16e/iPhone SE 4 poor battery life.

iphone dark mode

6. Check Battery Health & Replace Battery If Needed

If you’re experiencing iPhone 16e/iPhone SE 4 poor battery life, it’s crucial to check the battery health. Over time, batteries degrade, affecting performance and longevity.

Methods:
  • Navigate to Settings > Battery > Battery Health & Charging to check your battery’s maximum capacity.
  • If your battery health is between 80-85%, enable Optimized Battery Charging to slow down degradation and extend the battery's lifespan.
  • If it has dropped below 80%, it might be time to consider replacing the battery. Over time, lithium-ion batteries degrade, leading to shorter battery life. If necessary, schedule an appointment with Apple for battery replacement.
check iPhone battery health

7. Restart or Reset the Device for Software Refresh

Sometimes, system glitches can cause excessive battery drain, and a simple restart can refresh your iPhone.

Methods:
  • Hold the Power button, then slide to power off.
  • If the issue persists, resetting system settings might help. Go to Settings > General > Transfer or Reset iPhone > Reset > Reset All Settings to restore factory settings without deleting personal data.
restart your iphone

If the battery drain started after a recent update, consider performing a DFU Restore via iTunes or Finder to reinstall iOS cleanly and fix potential software bugs. This can be particularly helpful if your iPhone 16e/iPhone SE 4 battery draining too fast after a software update.

Part 3. One-click to Improve iPhone 16e/iPhone SE 4 Battery Life - Fix Battery Draining Issues

If your iPhone 16e/iPhone SE 4 battery is still draining fast despite following the steps above, the problem may lie within iOS system issues. Software glitches, corrupt updates, or background processes can cause excessive battery drain. Instead of manually troubleshooting, you can use a professional tool to fix system-related issues.

Tenorshare ReiBoot is a reliable solution for fixing iPhone software issues, including battery drain problems. It can repair iOS glitches that may be causing iPhone 16e/iPhone SE 4 battery draining fast, without data loss.

Simply follow these simple steps to fix the iPhone 16e/iPhone SE 4 battery draining fast:

  • Download and install Tenorshare ReiBoot on your computer. Connect your iPhone with the computer. Run ReiBoot and click “Start Repair” on the main interface.

    fix ios problem - launch reiboot
  • Connect your iPhone to the PC and select Start when the device is detected. Choose Standard Repair on the next screen.

    fix ios problem - standard repair
  • ReiBoot will automatically choose the firmware for your device. After that, click Download.

    fix ios problem - download firmware package
  • Click Done when it’s complete.

    fix ios problem - repair successfully

Part 4. When to Seek Professional Help

If you’ve tried all solutions and your battery still drains rapidly, professional repair may be necessary. Consider seeking help if:

  • Battery drains extremely fast despite troubleshooting.
  • Battery health has degraded significantly (below 80%).
  • The phone overheats while charging or during normal use.

Visit an Apple Store or an authorized service center for a professional diagnosis and possible battery replacement.

Conclusion

Dealing with iPhone 16e/iPhone SE 4 battery draining fast can be frustrating, but by optimizing settings, limiting background activity, and using reliable tools like Tenorshare ReiBoot, you can improve battery life significantly. If issues persist, checking battery health and seeking professional support may be necessary.

Want a hassle-free solution? Use Tenorshare ReiBoot to fix software-related battery drain issues effortlessly. Try it today and keep your iPhone running efficiently!

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