If your OPPO Find X9 Pro fingerprint sensor stopped recognizing your finger, this video shows simple steps to get it working again. Learn how to clean the in-screen sensor, re-register fingerprints, remove problematic screen protectors or cases, and check for software updates that may fix fingerprint bugs. These quick checks often resolve the issue without needing service, and they are explained step-by-step so even non-technical users can follow along. How to fix fingerprint sensor not working on OPPO Find X9 Pro? How to re-register fingerprints on OPPO Find X9 Pro? Where is the fingerprint settings on OPPO Find X9 Pro? 0:00 Intro - Problem overview and model confirmation 0:10 Clean the fingerprint area with a microfiber cloth 0:27 Test the sensor after cleaning 0:56 Open Settings → Security & privacy → Device unlock 1:15 Delete old fingerprint and add a new fingerprint 1:43 Lock the phone and test the sensor 1:50 Remove screen protector or case if sensor still fails 2:50 Check System → Software update for fixes 3:03 Wrap up and final tips #OPPO #FindX9Pro #FingerprintFix #AndroidTips Find out more: https://www.hardreset.info/devices/op... Follow us on Instagram ► / hardreset.info Like us on Facebook ► / hardresetinfo Tweet us on Twitter ► / hardreseti Support us on TikTok ► / hardreset.info Use Reset Guides for many popular Apps ► https://www.hardreset.info/apps/apps/