I1profiler 3.1.1-- Download • Original

The original i1Pro (spectrophotometer) and ColorMunki Photo are no longer recognized by i1Profiler 4.2+. Version 3.1.1 is the last build with full driver support for those devices.

These were live historically; test before use.
Windows 64-bit:
https://downloads.xrite.com/downloads/Software/i1Profiler/3.1.1/i1Profiler_3.1.1.exe
macOS:
https://downloads.xrite.com/downloads/Software/i1Profiler/3.1.1/i1Profiler_3.1.1.dmg

If link fails, use X-Rite’s contact form to request legacy version. I1profiler 3.1.1-- Download

The safest method is to use the Calibrite Legacy Software Archive:

Direct links (subject to change – verify checksums): The safest method is to use the Calibrite

Because X-Rite and Calibrite have updated their official download pages to newer versions, finding the exact 3.1.1 installer requires careful searching.

Given the keyword "I1Profiler 3.1.1-- Download" , many sites will appear. Some are legitimate; others bundle adware or outdated drivers. Below is the safest approach. Direct links (subject to change – verify checksums):

According to the official changelog, version 3.1.1 addressed several critical bugs found in 3.0.x and 3.1:

For professionals using older hardware—especially the original i1Pro (not the Plus or Pro 2)—3.1.1 is often the last stable version that does not require a firmware upgrade.