That appears to be a specific internal version/build number for UC Browser (likely for Android or an older Windows version). It is not a standard version naming convention (e.g., UC Browser 13.x.x).
Should You Use the Portable Or Installed Version of Software? uc browser 701851002 portable better
Some modern websites (like high-end web apps) may not render perfectly. That appears to be a specific internal version/build
: Official versions are available for mobile devices and as a PC version via the Microsoft Store Safety and Security Considerations uc browser 701851002 portable better
Why UC Browser 7.0.185.1002 Portable is the Better Choice for Performance