After updating to iOS 16, some iPhone users may encounter issues. Although inconvenient, most of these problems can usually be resolved easily.

Common issues include battery drain, overheating, slow performance, update installation errors, Wi-Fi connectivity problems, app crashes, and other unexpected behaviors. Every iOS update may cause minor glitches for certain users. Read on as we help you troubleshoot these issues so that your iPhone works smoothly again in no time.

Before performing any software updates or troubleshooting steps, always make sure to back up your iPhone to iCloud or a computer.

1: Can't See iOS 16 Update Available?

If the iOS 16 update isn’t showing up at all for you:

First, verify that your iPhone model is compatible with iOS 16. If it is, ensure that your device has an active internet connection.

Sometimes simply restarting your iPhone will allow the update to appear.

2: iOS 16 Stuck on “Preparing for Update” or “Verifying Update”, Unable to Install

Are you unable to install iOS 16 because it’s stuck on “Verifying Update” or “Preparing for Update”?

Typically, if you see one of those messages in Software Update, it should disappear after some time—possibly a few hours.

However, if the issue persists for a long time, try restarting your iPhone normally or force restarting it.

3: Receiving Beta Versions of iOS 16 Instead of Official Releases?

If you joined the iOS 16 beta program, you'll continue receiving beta versions instead of official releases.

You can opt out of the iOS 16 beta program to stop getting beta updates on your iPhone.

4: Apps Crashing After Updating to iOS 16

If apps crash after installing iOS 16, the first step is to update them.

App developers often need to update their apps to work well with new iOS versions. Installing the latest app updates is essential for stability.

Open the App Store > tap your profile > Go to “Updates” and choose “Update All” apps.

5. Increased Battery Drain with iOS 16

A common complaint among users is faster battery drain after updating to iOS 16. This is not unusual and often occurs after major system updates.

In many cases, patience is key. The iPhone performs background tasks which may temporarily affect battery life. Try leaving the iPhone plugged in overnight for a day or two—it should improve on its own.

For more information about resolving battery-related issues with iOS 16, check here.

6: iPhone Feels Slower After Updating to iOS 16

It's not uncommon for iPhones to feel slower after installing a system update.

Similar to the battery drain issue, performance typically stabilizes within a day or two once background processes complete. These background tasks include indexing photos and data, which can take time when charging the phone overnight.

7: iPhone Overheating After iOS 16 Installation

Some users report their iPhone feels unusually warm after updating to iOS 16. This often coincides with sluggishness.

An overheated iPhone usually means the device is working hard, possibly due to indexing or background activity. Like battery and performance issues, this typically resolves itself after a few hours to a couple of days while charging and leaving the phone undisturbed.

8: iOS 16 Failed to Install, Now iPhone / iPad Won’t Work

If iOS 16 failed to install and your iPhone won’t turn on anymore, read this guide on what to do if your iPhone is bricked after a failed update. Fortunately, this situation is rare.

9: Bluetooth Issues with iOS 16

Bluetooth connectivity problems sometimes occur after an iOS update, and iOS 16 is no exception.

Start by restarting your iPhone, which might fix the problem instantly.

Alternatively, try forgetting and re-pairing the Bluetooth device. While slightly inconvenient, this method usually fixes most Bluetooth issues. To do this, go to Settings > Bluetooth > tap (i) next to the paired device, select “Forget this device,” then pair it again.

10: Wi-Fi Problems After Updating to iOS 16

Some users experience Wi-Fi issues after updating to iOS 16.

Restarting the iPhone may solve the problem. Also, confirm that your Wi-Fi network is working fine for other devices.

As a last resort, resetting network settings could help, though it will erase saved passwords. To reset, go to Settings -> General -> Reset -> Reset Network Settings.

For further assistance with Wi-Fi troubles, refer to this guide on fixing iPhone Wi-Fi issues.

11: Poor Cellular Reception or Dropped Calls After iOS 16 Update?

Some users report reduced cellular signal strength or dropped calls after updating to iOS 16. It’s unclear whether this is caused directly by the update, but it’s possible the update affected how the iPhone connects to cell towers.

Affected users often mention weaker signal bars or the phone holding onto distant towers longer than usual, even in areas where full coverage was previously available.

This might just be coincidence.

If you're experiencing weak reception or call drops with iOS 16, toggling Airplane Mode off and on may help the iPhone reconnect to nearby towers.

Also, remember to install any future iOS updates as they become available, since Apple regularly addresses compatibility issues.

Additional iOS 16 Issues, Bugs, and Problems

Other known iOS 16 issues include:

• Some users report constant Allow Paste alerts, which are fixed in the iOS 16.0.2 update.
• Some users say Siri doesn’t respond properly when in a car, whether connected via Bluetooth or Lightning cable. Likely a bug to be addressed in a future update.
• Be sure to check for iOS 16 updates regularly, as Apple frequently releases patches for known bugs.

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Have you faced any issues with iOS 16 on your iPhone? What kind of problems did you run into? Did the above solutions help fix them? Share your experiences in the comments below.

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