Oppo a57 is a wonderfull phone in under budget.
If we talk about the sound reception of the phone then it is a great quality build by oppo. great surround and on speaker quality oppo. Not too loudly but perfect for the music and incoming calls.
Ease of use of the phones great. We can hold the phone in hand very perfectly. if we talk about the thikness of the phone then it is very nice just 7.9 mm .it is very easy to grip the phone and light wait.
Style and design of the phone is very pretty. IPS display and gorilla glass make its design perfect.
If we talk about the features of the phones then it is good phone. LTE network suported and 32 gb inbuild storage is goodwith 3 gb of ram. Great camera phone with rear 13 mp camera and front facing camera for selfie. perfect battry backup and ossom chip set make it perfect.
Oppo is a reliable product in the market of smart phones.
Great budget phone