Samsung galaxy j7 is great phone for mid range I buy this mobile last year and its perfrmance is great no slow and no hanging problem and samsung galaxy j7 has a huge battery.I buy different phones of different compaies but this phone is awesome than other. Samsung galaxy j7 great features and huge display for gaming or movies. If I talk about security there is normal security because this phone has not figerprint scanner. Samsung j7 looks good in hands and its shape and style is very awesome I recommend to buy this phone.