Kamera HP Sulit Fokus padahal Lensa Sudah Bersih, Ini Penyebabnya

Referensi:

Fix Your Camera App on Your Pixel Phone or Tablet - Google Pixel Help

Take High Quality Photos on Your Pixel Phone or Tablet - Google Pixel Camera Help

How to Fix Blurry or Poor Photo and Video Quality on Your Samsung Galaxy Device - Samsung Support

Galaxy Phone or Tablet Camera Does Not Focus on the Subject - Samsung Support

If the Camera or Flash on Your iPhone, iPad, or iPod Touch Is Not Working - Apple Support

Magnetic Accessories Might Interfere with iPhone Cameras - Apple Support