Hi nastyu Here’s how to troubleshoot and potentially fix the fingerprint sensor on your Samsung Galaxy A16 (not working / not responding) — plus what to do if it’s a hardware issue: ✅ Common Fixes You Can Try 🔄 1. Restart the phone A reboot can clear temporary glitches and often fixes fingerprint errors. � DigitBin 🧼 2. Clean the fingerprint area & your finger Make sure the sensor and your finger are clean, dry, and free from oil / lotion. � Samsung Even if it’s a side-mounted sensor on the power button (as on the A16), dirt can still block it. 📱 3. Remove and re-register fingerprints Old or corrupt fingerprint data often stops recognition. Steps: Settings → Biometrics and security → Fingerprints Delete the old prints Register again (try capturing the full fingertip at different angles) � Samsung Community 📦 4. Check screen protector / case If your protector or case interferes with the sensor area, it may prevent proper reading. Try removing them temporarily and test again. � Samsung 🔐 5. Try Safe Mode Boot into Safe Mode to check if a third-party app is causing the issue. If the sensor works in Safe Mode, then an app you installed is interfering. � Samsung Community 🔄 6. Software update Check: Settings → Software update → Download and install Sometimes bugs are fixed in newer updates. � Technobezz 🧹 7. Clear cache partition Clearing cached system data can fix sensor problems (won’t delete personal files). Turn off device → hold Power + Volume Up (to recovery) → select “Wipe cache partition.” � Mobile Internist ⚠️ 8. Factory reset (last resort) If nothing else works, a factory reset often fixes software bugs — but back up your data first. Settings → General Management → Reset → Factory data reset. This may fix deep system issues if the sensor stopped working after an update. � Samsung Members 🧪 If It Still Doesn’t Work 🔧 Likely a Hardware Problem If the sensor is physically damaged or completely unresponsive even after all software fixes, it may be a hardware failure — especially if: It worked before and suddenly stopped with no software change, It never registers new fingerprints, It shows “Fingerprint sensor not responding.” � Samsung Community In that case, the best option is to take your phone to an authorized Samsung service center for repair or replacement under warranty (if applicable). � Samsung Community
