Can You Software Update iPhone While Charging?

Everyone · Explainer · Updated October 1, 2026 · LearnLife Editorial

What Does It Mean to Software Update an iPhone While Charging?

Updating an iPhone’s software means installing the latest version of iOS, which is Apple’s operating system. This update can include new features, security patches, bug fixes, and performance improvements. When you update your iPhone while it is charging, it means the device is connected to a power source during the entire update process, whether through a wired charger or wireless charging pad.

The reason this matters is that software updates can be power-intensive. For example, if you start an update with your battery at 50% but do not connect to a charger, the update could drain your battery completely before finishing. This might cause the update to fail or even damage the operating system. By charging your phone during the update, you ensure it has a constant power supply, reducing the risk of interruption.

Imagine starting an update at 9:00 PM with 40% battery. You plug the phone into a charger before going to bed. The update downloads, installs, and restarts the phone while it remains connected to power. When you wake up, your phone has the latest software and a full or near-full battery, ready for the day.

How Does Updating While Charging Work Technically?

The iPhone update process has several stages: downloading the update, preparing the installation, verifying files, installing the update, and finally restarting the device. Each stage consumes varying amounts of power. The download itself uses Wi-Fi and some power, but the installation process is more power-intensive because the device must write new software to its internal storage and reboot multiple times.

If you start this process with a low battery and no charger, there is a risk that the phone may shut down mid-update. This can cause software corruption, requiring complex recovery steps or even restoring the iPhone to factory settings, which might delete personal data.

Charging your iPhone during the update means the device draws power from the charger instead of the battery alone. For example, if your battery is at 20% and the update takes 30 minutes, the charger will keep the battery level steady or increase it, reducing the chance of failure.

This is why Apple often recommends plugging in your iPhone before starting an update, especially if the battery isn’t near full charge. It’s a fail-safe that prevents power loss from causing update problems.

Why Is Updating While Charging Important for iPhone Users?

Keeping your iPhone’s software up to date is crucial for security and performance. Updates fix vulnerabilities that hackers might exploit and improve the stability of your phone’s apps and features. However, an interrupted update can undermine these benefits.

If your iPhone loses power mid-update, it might become stuck in a boot loop (restarting repeatedly) or fail to start altogether. This can mean lost time, stress, and potentially needing professional help to fix it. For example, if a user relies on their iPhone for work or emergency contact, an incomplete update could leave them without a functioning phone until repaired.

Charging during updates also helps protect your personal data. Updates often include security patches that close vulnerabilities. Without these patches, your device is more vulnerable to malware or hacking attempts.

Therefore, charging your iPhone during updates is a simple step that helps ensure your device remains secure, stable, and ready to use immediately after the update finishes.

What Are Common Misunderstandings About Updating While Charging?

There are several common misunderstandings about updating an iPhone while charging. One is the belief that the phone must be fully charged before starting an update. In reality, your iPhone simply needs enough charge to begin the process (around 50% or more) or be connected to power. You don’t need to wait until it is 100% full.

Another misconception is that wireless charging is less effective or slower than wired charging during updates. While wireless charging can be slightly slower, it provides sufficient power to keep your phone charged throughout the update.

Some people confuse needing to be connected to Wi-Fi with needing to be charging. While Wi-Fi is usually required to download updates, charging is not mandatory but highly recommended to avoid interruptions.

Finally, some users think they should not use their phone at all during updates. Although it’s best to avoid heavy use during the installation phase, the phone can generally be used during the download phase if plugged in, without risk.

How to Safely Update Your iPhone While Charging?

To ensure a safe and successful update while charging, follow these clear steps:

1. Check Your Battery Level: Make sure your iPhone battery is at least 50% or connect it to a charger.
2. Connect to a Reliable Power Source: Use an Apple-certified wall charger or a trusted wireless charging pad. Avoid cheap or damaged chargers.
3. Ensure a Stable Wi-Fi Connection: Downloading updates requires Wi-Fi, so connect to a reliable network.
4. Start the Update: Go to Settings > General > Software Update. If an update is available, tap “Download and Install.” Enter your passcode if prompted.
5. Keep Your iPhone Plugged In: Maintain the charging connection throughout the entire update process.
6. Avoid Interrupting the Update: Don’t turn off your phone, disconnect the charger, or heavily use your device during installation.
7. Wait for Completion: The phone will restart automatically after the update installs. Be patient and do not interrupt this process.

For example, if you plan to update your iPhone at night, plug it in before going to sleep and start the update. By morning, the update will be complete, and your phone will be ready with no risk of power loss.

What Should You Do If an Update Fails While Charging?

If your iPhone update fails even while charging, try these troubleshooting steps:

• Check Your Internet and Charger: Confirm your Wi-Fi is stable and your charger is working properly. Swap chargers or cables if needed.
• Restart Your iPhone: Press and hold the power button to turn it off, then turn it back on and try updating again.
• Free Up Storage: Updates require available storage space. Go to Settings > General > iPhone Storage to delete unused apps, photos, or videos.
• Update via Computer: Connect your iPhone to a Mac or PC with iTunes (Windows) or Finder (Mac) and update manually. This can bypass some update issues.
• Contact Apple Support: If problems persist, seek professional help as hardware issues like battery problems can cause update failures.

Avoid forcing your iPhone to power off during an update, as this can cause serious issues. Keeping your phone charged and using official accessories minimizes update failures.

Are There Other Apple Devices That Should Be Charged During Updates?

Yes. Other Apple devices such as the iPad, Apple Watch, and Mac also benefit from being charged during software updates. For instance, updating an Apple Watch should be done while it is on its charger to maintain power during the update. Similarly, updating an iPad is safer when connected to a charger.

Mac computers, which often have larger and more complex updates, should ideally be plugged in to avoid interruption during installation. Consistent power supply across devices ensures updates complete properly and devices remain secure.

For more specific guidance, see related topics like How to Software Update an iPhone, How to Software Update an Apple Watch, and How to Software Update a Mac.

Frequently asked questions

Can I update my iPhone without charging it?

Yes, but it’s risky if your battery isn’t full. Without charging, a low battery can cause the update to fail. It’s safer to plug in your phone during updates to avoid interruptions.

Does charging while updating damage the battery?

No. Charging during updates does not harm your battery. The phone’s battery management system controls charging to protect battery health during all activities.

Can I use my iPhone while it is updating and charging?

You can use your phone during the download phase if charging, but avoid heavy use during the installation phase to prevent overheating or slowing the process.

What should I do if my iPhone gets stuck during an update?

Try force restarting your iPhone. If it remains stuck, connect to a computer and use recovery mode to reinstall iOS. Contact Apple Support if unsure.

Are software updates mandatory?

Updates are not mandatory but highly recommended for security, performance, and new features. Skipping updates can leave your phone vulnerable.