Just got this for my birthday present.
What do I need to know? Is it filename related?
>>61946126
Oppo, not Oppa. They are a fairly popular chinese manufacturer, of which OnePlus was created.
>>61946126
http://m.gsmarena.com/oppo_a57-8468.php
Looks pretty underwhelming but should be adequate for daily use.
>>61946126
The only thing you need to know is how to hang yourself fast.
>>61946126
Happy birthday anon!