When iOS 17 is ready, it's smart to do a few things before updating your device's software. These things are:

• Make sure your data is recently backed up.
• Check if your device can use iOS 17.
• Clear some space on your device for the update. You can remove stuff you don't need, like files, apps, or pictures, to make more room.
• Look for updates for your apps in the App Store and make sure they work with the new iOS.
• Getting and putting in big updates like iOS 17 is usually faster and simpler using Wi-Fi, so make sure you have a good connection.

When iOS 17 is out for iPhone 15, you can update like this: Open Settings > General > Software Update. You'll see Update Requested. Tap it to start installing.

Definitely. It's really important to back up your device before getting iOS 17 to avoid losing your data. You can back up your device using UnicTool iFindit, iCloud, or iTunes.

Insufficient space on your iPhone or iPad can cause iOS 17 software update failure. Generally speaking, at least 5GB of free space is required to install a new iOS operating system, so it's important to check and clear space on your iOS device before upgrading. Here are 3 ways to clear space on your iPhone/iPad.

Method 1: Uninstall unused apps Go to Settings > App Store and enable the Uninstall unused apps option.

Method 2: Delete Recently Deleted completely Go to "Photos" > "Recently Deleted", click the "Select" button on the top right and click "Delete All" to clear the recently deleted photos. Go to Messages > Recently Deleted, and click the Delete All button on the bottom left to empty the recently deleted messages. Go to Memo > Recently Deleted, click the Edit button on the top right and click Delete All to clear the recently deleted memos. Go to File > Browse > Recently Deleted, click the three-tap Select button on the top right and click Delete All to clear the recently deleted files.

Method 3: Clear Browsing History and Website Data Go to Settings > Safari > Clear Browsing History and Website Data.

iOS 17 stuck on iPhone update requested
When your iPhone is stuck on the "Sent Update Requests" screen and you're unable to download or install the latest version of iOS, there could be a number of reasons behind it: excessive update requests, software malfunctions, or an unstable network connection. Here's how to quickly fix this iOS 17 installation issue.

• Check available iPhone storage: Go to Settings > General > iPhone Storage to check your storage usage. If you need to free up some storage space, delete apps and data you don't need.
• Restart iPhone: Software crashes can cause iPhone to stay on a page requesting an update for more than 15 minutes. Restarting will help you remove all background apps and refresh your device's memory, which can help fix some of the glitches that are causing the problem.
• Check your network connection: Downloading and installing iOS software requires a strong and stable network connection. Before closing all apps on your device to upgrade to iOS, check to make sure your network connection is stable.
• Delete a software update: If an update file has been downloaded but cannot be installed, you can delete the downloaded software update and reinstall it. Go to Settings > General > iPhone Storage > Delete Updates. Then go back to Settings > General > Software Update and try to download and install the update again.
• Update iPhone via iTunes: If you can't update your iPhone wirelessly, you can try updating your device via iTunes. Open and run iTunes > Connect your iPhone to your computer via USB cable and click Check for Updates > Download and Update.
• Put iPhone in DFU Mode: If all of the above doesn't help you fix the problem of your iPhone getting stuck on the Request Update page, consider putting your phone in DFU mode. While it will most likely delete existing data on your iOS 17 device, the results are generally mostly positive.

iPhone stuck on the update progress bar
When you update iOS or iPadOS, the device displays both the Apple logo and a progress bar. But no matter how long you wait, the progress bar doesn't seem to move or move very slowly. At this point, the iPhone/iPad gets stuck while doing an iOS update.

• Charge your device: A low battery may cause iOS software updates to get stuck. Connect to a wall outlet with the USB cable, then charge your iPhone or iPad for 15-30 minutes.
• Force restart your iOS device: This simple trick helps to refresh your device and fix bugs that cause your iPhone to get stuck during an update. For iPhone 8, later, and iPads with Face ID, just quickly press and release the Volume Up key > quickly press and release the Volume Down key > press and hold the Side button until the Apple logo appears.
• Use iTunes/Finder to restore iPhone: Since your device update is stuck on the Apple screen, please put iPhone into recovery mode, let iTunes/Finder detect device problems and perform restore operations. But doing so will delete all data on your device.
• Repair with iOS Repair Tool: You can use such as UnicTool iFindit such professional software to fix problems during an update without losing any data! This not only solves the iPhone update stuck problem but also upgrades your iPhone to iOS 17 easily.

"Unable to install update" error
If you're trying to install an iOS or iPadOS software update and it fails with an error saying "Unable to install the update" with options for "Try again" and "Remind me later," it's usually because of network issues, insufficient download and install iOS 16 or system failure.

• Check iPhone storage space: You can delete unused data or apps on the device to free up more space, go to "Settings" > "General" > "iPhone Storage Capacity", view and delete unnecessary content.
• Connect to a stable Wi-Fi: When updating iOS 17, you need to choose a Wi-Fi with a stronger signal. Go to the device "Settings" > Enable and select the network with the best signal strength and join.
• Force restart iPhone: To force restart an iPhone with Face ID, press and quickly release the Volume Up button, then press and quickly release the Volume Down button, then press and hold the Side button. When the Apple logo appears, let go of the buttons.
• Update iPhone with iTunes: Connect your iPhone to iTunes/Finder on Windows/Mac with a USB cable. Tap the device that appears on iTunes. Then click on the "Check for Updates" option.

Stuck on "preparing iPhone for software update"
When downloading the iOS 17 software, the iPhone screen keeps displaying "preparing iPhone for software update " or "About X minutes remaining", but the progress bar has not changed. Try the listed methods!

• Force restart iPhone: When updating iOS 17, when you encounter a software problem that is stuck on "Preparing for update", force restarting the device is always a priority repair solution, because different models have different ways of force restarting, For details, please refer to official Manual.
• Restore iPhone using iTunes: Connect iPhone to iTunes, click the device icon that appears on iTunes, then click the "Restore iPhone" option, and follow the prompts to complete.
• Delete the update file and reinstall: Open "Settings" > "General" > "iPhone Storage", find your iOS 17 update file, select and click "Delete Update". Then you need to go to "Settings" > "General" > "Software Update" again to download the iOS 16 software again.

Unable to contact iPhone software update server
When you contacting the iPhone software update server, some iPhone and iPad users may experience an error message when updating to the latest iOS version using iTunes that reads: "The iPhone software update server could not be contacted. Please ensure your network settings are correct and your network connection is active, or try again later"

• Quit and restart iTunes: Quit and restart iTunes, then try again, usually works, you may want to try this method first.
• Wait for a while: You just have to wait and try again, this works almost every time and is recommended if you are patient, as the issue will resolve itself when the Apple iOS update servers stabilize.
• Update using OTA: Use Settings > General > Software Update to activate the delta update mechanism on your iPad, iPhone, or iPod touch.
• Using Firmware: Pre-downloading the correct IPSW firmware file can bypass failed update server connections, and then you can use that firmware file to update manually. If you choose this approach, you must be able to find the latest IPSW firmware in here

iOS 17 Update Not Showing Up
Reasons, why iOS 17 does not show updates: The iOS device is not connected to an available network, your device has downloaded the iOS 17 beta version, or an unknown error, occurred on the iOS system. For this, we provide you with corresponding solutions.

• Reset network settings and reconnect to Wi-Fi: Your device needs to be connected to the network to use the software update service. If the previous settings are wrong, you can go to "Settings", tap "General" > "Transfer or Reset iPhone" > "Reset" > "Reset Network Settings", and then wait for the device to restart and connect to a new stable Wi-Fi.
• Downgrade iOS 17: If some system failures cause the iOS update to remain undisplayed, you can delete the iOS-related configuration files first, and use iOS downgrade tool UnicTool Umendit, after downgrading to the previous version, you can re-update to iOS 17.
• Update iOS 17 using iTunes: Open iTunes on your computer and connect the device to the computer. Click the Device button in the iTunes toolbar. Click Summary > Check for Updates > Downloads and Updates. If asked for a password, enter your password.
• Fix iOS system update issues: You can also directly use professional tools such as UnicTool iFindit One-click update iOS, the operation is very simple, there will be no data loss or update errors. No need to wait for your phone to show an update, just 3 steps to update iOS 17.

Stuck on the iPhone white screen swipe up to upgrade
iPhone stuck on the "swipe up to update" screen is a very common problem. When you swipe up, it asks for your passcode, then it stays at the Apple logo and repeats. In any case, we will show you how to fix this problem.

• Force restart iPhone: For iPhone 8 or later, press and quickly release the Volume Up button, then press and quickly release the Volume Down button. Then press and hold the Power key until the iPhone restarts.
• Restore iPhone using iTunes: After connecting the iPhone, launch iTunes on the computer, put the iPhone into recovery mode, and click "Restore [device]". If you are logged into Find, you will need to log out before replying. iTunes will wipe your device and install the latest iOS 16 software on your iPhone/iPad.

iPhone battery draining too fast when using an app
After updating iOS 17, you may meet abnormal power consumption, and the iPhone/iPad will become hot.

• Turn on low power mode: Turn on low power mode
• Check battery health: Go to "Settings" > "Battery" > "Battery Health and Charging". If the maximum battery capacity is lower than 80%, it is recommended to replace the battery.
• Limit app notifications: Go to "Settings" > "Notifications", browse each app, and adjust the app's power usage by turning off "Notifications".
• Turn off automatic downloads and app updates: Go to "Settings" > "App Store", and turn off "App Download Items" and "App Update Items".
• Limit background activities: Go to "Settings" > "General" and turn off "Background App Refresh" to avoid unnecessary power consumption.

Cannot download, install or update App
One of the main problems with iOS 17 is the inability to download apps on the iPhone, some apps never download or get stuck during the installation process, there is really no reason, they just refuse to download or update the app.

• Check to have a stable network connection: No Wi-Fi or mobile network connection errors will cause app download issues. Go to iPhone "Settings" > "Mobile Services", scroll down to find App Store and open the button. Then go to "Settings" > "Wi-Fi" to perform the same operation as above.
• Check device storage: App download and installation need to have enough space. So head to Settings > General > iPhone Storage to see how much space is available on your device.
• Re-login your Apple ID on the App Store: Open the App Store, tap the profile icon, then scroll to the bottom, tap "Sign Out" to exit the App Store and reopen it, and log in with your Apple ID account again.
• Automatically set date and time: Start "Settings" > "General" > "Time and Date", and turn on the "Automatically set" option.
• Disable content and privacy restrictions: Go to "Settings" > "Screen Time" > turn off "Content and Privacy Restrictions".

The app is stuck in downloading and waiting
After updating to iOS 17, when you try to download or update apps, they are stuck installing, waiting or downloading. This is a common update problem. We will explain to you, real solutions for iPhone apps stuck waiting for updates.

• Sign out and sign in to your Apple ID: Open Settings > Your Name, scroll down and tap Sign Out. Wait for a while and sign in to your Apple ID again.
• Check iPhone/iPad network connection: Check if your iOS device is connected to Wi-Fi with weak signal strength, if so, you can change to another network.
• Delete the app and reinstall: Long press the App icon and tap "Remove App" > "Delete App", then you can download the App again from the App Store.
• Free up storage space: Go to iPhone/iPad "Settings" > "General" > "iPhone Storage Space", you will see how much space is available, and delete the apps you don't use.
• Fix iOS 17 system failure: Sometimes after updating iOS 17, the app is stuck waiting/downloading, this is a system update error problem. You can use UnicTool Umendit iOS system repair tool Update app download or installation error for iOS 17.

After updating to iOS 17, the app crashes
It seems that many people have encountered the problem of different apps hanging after the iOS 17 update, such as Whatsapp can not be used. Whether it is an application on the device or a third-party application, these iOS applications are automatically closed or cannot be used during use.

• Update App: Open the App Store > Profile icon, you can see all the apps, and select the app with a newer version available to update.
• Reinstall the app: Remove the crashed app directly, then download and install it again.
• Restart the iOS device: For iPhone 8 and above models, press the volume down key and the side button for a few seconds, and drag the slider to power off.
• Fix iOS system errors: If the above solutions don't work, maybe the iOS software is damaged. You need to use UnicTool Umendit to repair the iOS system, Once installed and started on your computer, connect your device with a USB cable and select Standard Mode to fix the problem.