Click the Flash button. Important: Ensure your device remains connected throughout the entire process. Pro Flash vs. Easy Flash: Which Should You Use?

Flashing can wipe your device. Use 3uTools' built-in backup tool or iCloud to save your photos, contacts, and messages.

A: Yes, it is a safe tool used by many repair technicians. However, flashing inherently carries a risk of data loss. Always back up your data if possible.

If you are trying to install a specific beta version or a version that requires manual SHSH blob verification.

Click on the "Flash & Jailbreak" tab on the main interface (usually the top-left corner).

After importing the firmware and confirming your device is in DFU mode, select one of the four flashing modes based on your needs:

While the standard Easy Flash option automates the download and installation process, 3uTools Pro Flash Mode demands manual firmware provisioning and requires putting the iOS device into Device Firmware Update (DFU) mode.

: Select one of the following modes based on your needs:

Connect your iPhone/iPad to the computer. 3uTools should detect the device and display its model, current iOS version, and battery percentage.

: Legacy hardware maintenance. This feature is heavily restricted and functional only on legacy hardware running iOS 7 or earlier (e.g., iPhone 4, iPhone 3GS) that rely on software-based carrier unlocks. Step-by-Step Guide to Executing Pro Flash

Selling your iPhone or disposing of a device securely. Note: This process takes significantly longer than standard flashing. 4. Reserve Baseband While Flashing