Recovery mode restores are more prone to baseband timeouts. DFU mode gives the lowest-level access:
Before assuming hardware failure, try these solutions in order. 3utools error unable to restore idevice--75-
If your storage was completely full before the error, the NAND flash may be corrupted, requiring a "Quick Flash" (wipe) rather than a "Retain User Data" flash. Recovery mode restores are more prone to baseband timeouts
Active third-party security software or an open iTunes instance can conflict with 3uTools' drivers. Recommended Solutions Step Why it works 1 Check "Fix Battery Health" Active third-party security software or an open iTunes
or a high-quality MFi-certified one. Plug it directly into the computer's rear USB port
To bypass this error, users should follow a tiered troubleshooting approach:
In some cases, this error can point to a faulty NAND (flash memory) or a damaged logic board component (e.g., Rose IC on iPhone 11). Step-by-Step Troubleshooting Guide