1. Face data dobara add karein. Settings > Security > Face Unlock mein purana data delete karke naye sire se scan karein. Baal katwane, dari barhane ya chashma lagane ke baad purana data match nahi karta.
2. Achi roshni mein scan karein. Andhere ya peeche se tez roshni mein camera chehra sahi nahi pakarta — roshni chehre ke samne ho to behtar hai.
3. Front camera saaf karein. Lens par ungli ke nishan ya mitti face unlock nakam bana deti hai. Naram dry kapre se saaf karke dobara try karein.
4. "Raise to wake" on karein. Kuch phones mein face unlock tabhi chalta hai jab screen pehle se on ho. Settings > Display mein yeh option check karein.
5. Screen protector check karein. Camera wali jagah ka ghalat ya andhera tempered glass front camera ko dhak deta hai. Protector utaar kar test karein.
6. Phone restart karein aur software update check karein. Atka hua service restart se theek ho jata hai, aur kuch models ka bug company ki update se hal hota hai.
7. Sab fail hon aur phone gira tha to front camera ya sensor ka masla ho sakta hai. Warning: phone khud kholne ki koshish na karein — front camera ka flex cable bohat nazuk hota hai. Achi repairing shop se check karwayein.
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