Kya aapko pata hai ki Unknow Source apps kya hote hai? Isake word se agar ham isse define kare to aapko 2 words milega “Unknow + Source” Jisaka ye matalab ki koi source nahi hai uss application ka phhir bhi ham install karane vale hai. Agar kuch security related ya aur problem aayega aapke phone me to aap kuch nahi kar sakenge kyuki usaka koi pata thikana nahi lagega.