This is a critical checkbox in Pro Flash.
If you are a beginner, it is recommended to start with the mode in 3uTools . For a more experienced user, Pro Flash provides an incredible amount of control, allowing for customized repairs, data management, and troubleshooting. How to Use 3uTools to Fix & Flash Your iPhone
If your flash fails, the Pro Flash log screen will display a specific error code. Here are the most common solutions:
It allows for the selection of specific local firmware files that might not be listed in the automated "Easy Flash" menu.
to see which signed iOS versions are available for your specific device. Download/Import Firmware pro flash 3utools
Follow these sequential steps precisely to interface with the 3uTools Pro Flash environment. Step 1: Query System Compatibility
This mode can only help update the iOS system or restore/fix the iOS system—installed apps and user data will not be lost or changed. This is the safest option if you want to preserve photos, contacts, messages, and app data. A popup reminder will appear before starting; click "Yes" to proceed. After flashing finishes, you simply wait for the iDevice to start—no reactivation needed.
Ideal for standard repairs, sales preparation, or factory resets. It installs a fresh version of iOS and erases all existing user data.
To give you something useful, could you clarify: This is a critical checkbox in Pro Flash
Use a high-quality, MFi-certified USB cable connected directly to a motherboard USB port on your PC (avoid USB hubs).
: Utilizing specific modes like "Retain User's Data" while performing a manual upgrade or repair. Technical Advantages
The device will reboot. You will see a progress bar on the phone screen and a percentage tracker in 3uTools. Do not disconnect the device or use the computer for other heavy tasks during this time.
Using Pro Flash requires careful preparation and precise execution. Based on official documentation, here is the standard procedure: How to Use 3uTools to Fix & Flash
If you want to use a specific version, click to select a previously downloaded .ipsw file. If not, select the desired version and click Download . Step 4: Configuring Flash Mode
: For older devices (below iOS 7), it supports advanced options like reserving the baseband or jailbreaking during the flash.
3uTools is a free, Windows-based third-party utility designed to manage iOS devices (iPhone, iPad, iPod touch). It packs significantly more functionality than iTunes, including battery health analysis, file system browsing, ringtone maker, data backup/restoration, and—most critically—firmware flashing.