Apple recently released iOS 17.3.1, a minor update aimed at fixing bugs and improving performance on iPhones. However, some users have reported facing issues after installing this update on their devices. Let’s take a look at some of the common iOS 17.3.1 problems reported so far and potential solutions.

Check: iOS 17.4 Beta 2 Features: What’s New in Apple’s Latest iPhone Software Update

Installation Issues

Some users have reported problems installing iOS 17.3.1 on their iPhones. The most common installation issues include the update getting stuck at verifying, the iPhone displaying error messages, and the update failing to complete.

Potential solutions for installation issues:

  • Restart your iPhone and try installing the update again
  • Update using iTunes on your computer instead of over-the-air
  • Reset network settings on your iPhone (Settings > General > Reset > Reset Network Settings)
  • Check if you have enough storage space for the update
  • Restore the iPhone using a backup and try installing the update again

iOS 17.3.1 Connectivity Issues

Some users have reported losing cellular connectivity after installing the update. While the exact technical cause is unclear, the connectivity issues likely stem from bugs introduced in iOS 17.3.1. The update may have made changes to the iPhone’s cellular modem firmware or settings that disrupted connections to cellular networks for some users.

If you lost cellular connectivity after updating to iOS 17.3.1, try these troubleshooting steps:

  1. Restart your iPhone – A simple restart clears temporary glitches and reconnects modems.
  2. Check SIM card – Remove and reinsert SIM to verify proper contact.
  3. Reset network settings – Resets all network settings to default (Settings => General => Reset => Reset Network Settings).
  4. Carrier update – Install the latest carrier update for compatibility fixes (Settings => General => About).
  5. Toggle airplane mode – Cycling cellular radio can kickstart connections.
  6. Erase and restore iPhone – An erase completely reinstalls iOS as a last resort fix.

Battery Drain

Excessive battery drain is one of the most reported issues with iOS 17.3.1. Many users have complained of rapid battery drain after updating their iPhones.

Things you can try to fix battery drain:

  • Turn off Background App Refresh
  • Disable location services for apps that don’t need it
  • Reduce screen brightness
  • Turn off Wi-Fi and Bluetooth when not in use
  • Force restart your iPhone
  • Check battery health and consider replacing if below 80%


Some iPhone users have experienced overheating and warmer-than-usual devices after installing iOS 17.3.1. This issue seems isolated but can decrease battery life.

Tips to fix overheating iPhones:

  • Update apps to the latest versions
  • Turn off Background App Refresh and location services
  • Avoid prolonged exposure to direct sunlight
  • Use your iPhone in cooler environments
  • Don’t use intensive apps for extended periods
  • Consider adding a case to dissipate heat better

App Issues

In some cases, updating to iOS 17.3.1 has caused problems with first-party and third-party apps on iPhones. Common app issues include lagging, freezing, and unexpected crashing.

Troubleshooting steps for app issues:

  • Force close and relaunch the problematic apps
  • Check if the apps need any updates and install them
  • Offload and reinstall the apps causing problems
  • Restart your iPhone
  • Reset all settings (Settings => General => Reset => Reset All Settings)

While iOS 17.3.1 aims to improve the iPhone experience, early adopters may face some problems. We expect Apple to address common issues in future updates. Meanwhile, try the suggested solutions to fix any major problems faced on your iPhone after installing iOS 17.3.1. Pay attention to battery performance over the next few days. Beta users suggest that iOS 17.4 beta is a great update and it aims to solve many errors, including battery drain issues.