A: Absolutely. Once the error is resolved and your device is restored successfully, you can continue to use all of 3uTools' features for backups, file management, and other tasks.

Manually put your device into before starting the flash. This performs a deeper reset than standard Recovery Mode. Disable Security Software:

Use a toothpick or compressed air to gently remove any lint or debris from your iPhone's lightning/USB-C port. 2. Repair Drivers via 3uTools

If the standard recovery mode or normal mode flash is failing with Error -75, the device's current iOS state might be unstable. Using DFU (Device Firmware Update) mode allows a deeper restore.

If you've tried the standard fixes and are still encountering the error, consider these more advanced points.

| Cause Category | Specific Reason | |----------------|----------------| | | Faulty cable, non-USB 3.0 port, unstable power delivery, hub interference. | | Driver Conflict | Apple Mobile Device Driver missing, outdated, or overridden by 3uTools’ custom driver. | | Firmware/Baseband Mismatch | Attempting to flash an incompatible iOS version (e.g., downgrade without blobs). | | NAND/Flash Memory Issue | Bad blocks on device storage causing signature verification failure. | | Security Mechanisms | SEP (Secure Enclave Processor) mismatch or missing restore ticket. | | 3uTools Bug | Known bug in v2.56–2.60 where link 75 appears on A12+ devices in recovery mode. |

Apple drivers on your PC might be outdated or not working properly. Step-by-Step Solutions to Fix Error -75 Follow these steps in order to resolve the issue. 1. Check Hardware Connections (The Most Common Fix)

A damaged or non-certified Lightning/USB-C cable, or a loose charging port, can trigger the error.

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