How to fix various Apple iPhone 4 iOS system issues?

Apple iPhone 4 is disabled after system upgrade or water damage? No matter what situation you are facing, you can use Apple iPhone 4 iOS system recovery software to repair your Apple iPhone 4 OS to normal status. Check out a step by step instruction on how to do this below.

"Hi all, I did a iOS upgrade this morning on my Apple iPhone 4. After that, my Apple iPhone 4 is stuck on the Apple logo all the time. Is there anything I can do to get my Apple iPhone 4 alive again. Any help would be appreciated. Thanks."

Upgrade failure and jailbreak failure are the two main reasons that may cause your Apple iPhone 4 to get stuck on Apple logo. When this happens, you can try to reboot your Apple iPhone 4 in the first place. And then force your device to restart if it doesn't work. If all of these won't bring your Apple iPhone 4 back to life, let's take the last chance to save your Apple iPhone 4 via using iOS System Recovery.

Part 1: How to fix Apple iPhone 4 iOS system to normal status on Windows? Part 2: How to fix Apple iPhone 4 iOS system to normal status on Mac? Here's what you need

iOS System Recovery (It is available for Mac and Windows, simply download the proper version depending on your computer's OS.)

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Part 1: How to fix Apple iPhone 4 iOS system to normal status on Windows?

Follow these steps: Step 1: Launch iOS System Recovery on your Windows PC. Click "More tools" on the left column and then hit the "iOS System Recovery" in the main interface. Then you will enter the "iOS System Recovery" window.

Step 2: Click "Start" button to begin iOS system recovery. This professional program can detect your system problem automatically.

Step 3: Click "Question" icon and follow the guide to turn your Apple iPhone 4 into Recovery or DFU mode. Here we put blue screen Apple iPhone 4 into DFU mode.

Step 4: Select the proper iOS model and then click "Download" to download firmware. It will take a few minutes to complete the downloading.

Step 5: When the plug-in is completely downloaded, iOS System Reocvery will automatically fix system issues. After that, your Apple iPhone 4 will get back to normal status.

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Part 2: How to fix Apple iPhone 4 iOS system to normal status on Mac?

Follow these steps: Step 1: Run the software, select "More tools" > "iOS System Recovery".

Step 2: Check the system broken situations in the interface, and click "Start" to continue the following steps.

Step 3: Connect your disabled Apple iPhone 4 to your Mac computer, and iOS System Recovery will detect your Apple iPhone 4 in abnormal mode. Just click "Confirm" to fix it to normal. If your Apple iPhone 4 is in abnormal mode apart from Recovery/DFU mode, just click the question mark to follow the three steps as the interface tells to enter device scanning mode.

Step 4: Select your Apple iPhone 4 model, name, and other details to download the firmware matching your Apple iPhone 4.

Step 5: Click "Repair" to star fixing your Apple iPhone 4. The process will take a few minutes, and you just need to wait patiently.