I notice you're asking about . Here's the complete information:
View detailed logs, preserve user data during upgrades, and custom-flash specific firmware. 3utools Portable Version
To ensure stable performance when flashing or managing files, your environment should meet these minimum standards: I notice you're asking about
3uTools Portable is a modified, self-contained version of the popular 3uTools iOS management software. Unlike the standard installer, the portable version runs directly from a folder or a USB flash drive without writing permanent files to your system registry. preserve user data during upgrades
3uTools is an all-in-one management tool for iOS devices (iPhone, iPad, iPod). It allows users to: