Is there a trackball post that details the latest fixes or suggestions to fix the trackball

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EVQWJN007 Trackball Troubleshooting, Fixes and Mods

I recently ordered five EVQWJN007 trackballs, and none of them worked out of the box. It’s clear that modern production and materials are a far cry from the original BlackBerry-era standards. I’ve been researching how to rescue these units and improve their feel. For a deep dive into the technical specs, check out this resource: EVQWJN007 Trackball. Key Fixes & Mods Fixing Mechanical Failure: Most “dead” units just have poor tolerances. Increases contact pressure between the ball and the inte…