Hardware repair guides
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My Roomba i5 recently started jittering in place and spinning in tight circles instead of cleaning normally. A quick teardown and a can of compressed air later, it was back to driving straight.
After replacing the screen on a Google Pixel 8, the under-display fingerprint sensor needs to be recalibrated. Google provides an official tool at pixelrepair.withgoogle.com/udfps, but it only works on Windows and macOS — and on newer firmware versions it may report "firmware too new" and refuse to run.
This guide documents a working method using the command line on Linux, bypassing the browser tool entirely.