The oppo mobiles were just launched in past three years back .oppo F1s is one of best mobile in all oppo mobile amd other.it has good camera quality.it has good batery packup.it has 3gb ram and is very fast mobile.it suppots upto 1080pixel hd video.it has 5.1 android version .it has good expandable storage upto 256gb.a complete packet mobile with all best feature .it supports fingure pint lock.and a very stylish mobile phone.
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