How to Fix Decreasing Battery While Charging iPhone: All Info Is Here



Are you noticing your iPhone’s battery percentage dropping even while it’s plugged in and charging? It’s an alarming issue, but fortunately, one that can often be resolved with some troubleshooting. In this guide, we’ll dive into the reasons behind this perplexing problem and provide you with detailed solutions to get your iPhone back to its best.

Understanding iPhone Battery Health

First, it’s crucial to understand what battery health means. iPhone’s battery health refers to the battery’s capacity to hold charge compared to when it was new. Over time, batteries wear down, which can lead to issues like the one we’re addressing.

Common Reasons for Decreasing Battery While Charging

Several factors can cause your iPhone’s battery to decrease while charging:

  • Faulty Charging Cable or Adapter: A damaged or non-MFi (Made for iPhone) charger can be inefficient or harmful.
  • Software Glitches: Outdated iOS or apps can lead to battery drainage.
  • Background App Refresh: Apps refreshing in the background consume power.
  • Battery Aging: An old battery may struggle to hold a charge.

Troubleshooting Steps

1.         Checking Charger and Cable:

Ensure you’re using an MFi-certified charger and cable. Inspect them for damage and try using a different charger to rule out hardware issues.

2.         Software Update:

Always keep your iPhone updated. Go to Settings > General > Software Update.

3.         Managing Apps and Background Processes:

Limit background app refresh (Settings > General > Background App Refresh) and close unused apps.

4.         Resetting Settings:

If all else fails, try resetting all settings (Settings > General > Reset > Reset All Settings).

Advanced Solutions

  • Battery Calibration: Drain your iPhone’s battery until it shuts down and then charge it uninterrupted to 100%. This can help recalibrate the battery indicator.
  • DFU Mode and Restoration: As a last resort, restoring your iPhone in DFU (Device Firmware Update) mode can resolve underlying software issues. Note: This will erase all data, so ensure you have a backup.

When to Seek Professional Help

If you’ve tried the above solutions and the issue persists, it might be time to seek professional help. Look for these signs:

  • The battery drains quickly even after a full charge.
  • The iPhone shuts down unexpectedly.
  • Physical damage to the battery or phone.

Preventive Measures for Future

To maintain your iPhone’s battery health, follow these tips:

  • Avoid extreme temperatures.
  • Use an MFi-certified charger.
  • Keep your iPhone updated.
  • Monitor and manage app usage and background refresh settings.


Dealing with a decreasing battery while charging can be frustrating, but with the right approach, it’s usually fixable. From checking your charging accessories and updating your software to seeking professional help when needed, these steps can ensure your iPhone stays charged and ready for use.


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