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iOS Repair Tuner User Guide

Tutorial—How to Use Cocosenor iOS Repair Tuner

If your iOS devices, such as iPhone and iPad, are encountering the following issues: iPhone cannot turn on, iPhone restart, stuck on recovery mode/spinning wheel/Apple logo/boot loop and receiving the iTunes errors etc., you can use this iOS repair software –Cocosenor iOS Repair Tuner to get it to normal.

free download

Cocosenor iOS Repair Tuner is designed to fix all kinds of iOS system issues and iTunes errors on iOS devices. Also, it can help iPhone/iPad users to upgrade or downgrade the iOS/iPadOS version without jailbreak. You can learn details below.

Video guide:

Part 1: Fix iOS Issues in Standard Mode without Data Loss

Step 1 Run Cocosenor iOS Repair Tuner and choose Standard Mode

You need to download the software and then install it on your Windows computer. After the installation, you can launch the software and select System Repair on the Home page.

choose Standard Mode

Then select Standard mode , This mode will not delete your iPhone data after repairing.

Notice: Make sure iTunes is installed on your Windows computer.

choose Standard Mode

Step 2Click Start and connect your device to the computer

You need to click the Start button for iOS repair.

click the start button

After you click the Start button, you will see the screen which asks you to connect the device to PC via USB cable. When you finish building the connection, you can click the Next button.

connect your iPhone

Then the program will move on to the next step. If not, you will be asked to put your device in DFU or Recovery Mode. The on-screen instruction will show you the details to make your device in DFU or Recovery Mode.

Here is how to put your iPhone into recovery mode.

put your iPhone into recovery mode

Here is how to put your iPhone into DFU mode.

put your iPhone in DFU mode

Step 3Download the firmware package online

Now your iPhone device will be recognized and the firmware version will be automatically detected. You can click the Download button to get the firmware package online. Of course, you can set the Save path for the package.

If you have already downloaded a firmware package on your computer, you can click the Select button on the bottom right corner to add it.

download the firmware package

The download process will take several minutes.

download process

Step 4Fix the iOS issue

When the firmware is verified successfully, you will go to the repair interface. You can click the Repair button to get the iPhone to normal.

click the repair button

The program will automatically start to fix the iPhone. And you need to make the iPhone connected during this process.

repair process

When you get the successful prompt, you can check whether your device can turn on normally or not after the repairing.

iPhone repairing done successfully

Part 2: Repair Your iOS Device in Advanced Mode

If the Standard Mode cannot help you to fix the iPhone issues, you can use the Advanced Mode. Firstly, you should know that this repair process will delete all your data from the iPhone.

Step 1 Open the software and click System Repair > Advanced Mode

choose the advanced mode

Step 2 Click the Start button and connect your iPhone to the computer.

click the Start button in Advanced Mode

Step 3 Click the Download button to get the firmware package for your iPhone

download firmware in Advanced Mode

Step 4 Click the Repair button to repair your iPhone and erase all data

Here you can check the option Activate your device and Skip the setup wizard after activation. After that, click the Repair button to begin the repairing process.

click the Repair button in Advanced Mode

Minutes later, your iPhone is repaired successfully and restart normally.

iPhone repairing done successfully

Part 3: Upgrade Your iPhone iOS Version with no Data Loss

If you fail to upgrade the iOS version in your iPhone software update section, you can simply upgrade the iOS to a signed IPSW with this software. And, there is no data loss during the entire process.

Step 1 Choose iOS Upgrade/Downgrade.

After installing the software on your Windows computer, you can double-click to run the program and choose iOS Upgrade/Downgrade option on the right side.

choose iOS Upgrade/Downgrade

Step 2 Choose Upgrade iOS on the software interface.

There are two options for you to choose. You can choose Upgrade iOS to updating the iOS to iOS 17 if the iPhone model is supported. Yes, it is possible to update the iPhone to any beta iOS version.

choose upgrade iOS

Step 3 Connect your iPhone to the computer.

You should build the connection between the computer and your iPhone. After that, unlock your iPhone if there is screen lock and tap Trust on the Trust prompt. Then you can go back to the software and click the Next button to proceed.

click Next

Step 4 Get the firmware to upgrade.

In this interface, you can know the current iOS version and the upgradable versions in the drop-down menu. You can choose one for your iPhone.

choose firmware version

After that, you can change the save path to keep the downloaded firmware by clicking the Select button. When everything is ready, you can click the Download button to download the firmware software. It will take minutes to finish the downloading.

to download firmware version

Step 5 Upgrade the iOS to the version what you want.

Minutes later, the downloading process ends. And the software will automatically verify the firmware. Finally, you can hit on the Start button to begin updating the iOS version to the corresponding one.

click Start to upgrade iOS

When you get the successful message on the software, your iPhone will restart and attempts data recovery. Minutes later, you will see the message—Software Update Complete Your iPhone has been updated to iOS 17.0. You can tap Continue to access your iPhone.

upgrade successfully

Part 4: Downgrade the iOS version to a previous one

If you want to get rid of the new beta version of iOS and revert to the previous one, how can you do that? Cocosenor iOS Repair Tuner can help you to do that. You can downgrade the iOS version to any supported version.

Step 1 Run the software and head to Downgrade iOS.

Open the software and choose iOS Upgrade/Downgrade on the main interface.

choose iOS Upgrade/Downgrade

Then click on Downgrade iOS option on the right side.

choose Downgrade iOS

Step 2 Make the iPhone connected and detected by the software.

Plug the USB cable of your iPhone into the computer. Meanwhile, you should enter the screen password to unlock it. If it asks you to trust the computer, tap on Trust. After that, click the Next button on the software. Soon, your iPhone details will be loaded.

click Next

Step 3 Download the firmware version you want to downgrade.

The current iOS version of your iPhone is displayed here. Besides, in the Firmware Version part, you can click the down-arrow to get more options. Just choose the one you want. After that, you need to hit on the Select button behind the Save path field to set the destination to save the firmware package. Now, you can click the Download button to get the firmware package.

download firmware to downgrade

Step 4 Downgrade the iOS version.

After downloading the firmware, you can start to downgrade the iOS version now. Just click the Start button and then a prompt comes to inform you that this operation will lead to data loss. Click OK and the process begins.

click Start and OK

Minutes later, the successful message displays on the software. And your iPhone restarts with all data erased. You need to set up the iPhone from scratch.

downgrade successfully