Hello friends . I want to tell you something good for oppo f3 . my mom buy this phone . this phone has very good features . the first and best feature is when the phn this off and wgen write "o" the phone will start . it is the best features I like this obe . when we write "v" the flash light start . it is very easy to use . when we are working and this option is very usefull and it feature is became work fast n quick. oppo has very nice features like iphone . oppo has fingure lock system . it is the nice phone .