White dots on mobile screen often occur due to dead pixels, software glitches, or hardware malfunctions. These tiny white dots on mobile screen can affect your viewing experience but are usually fixable. Simple solutions like rebooting your device, updating or reinstalling apps, and replacing a damaged screen protector can help. To avoid future issues, handle your phone with care, protect it from drops, and keep its software updated regularly. If the problem continues, professional repair or screen replacement may be the best solution.