What features does Ultra Game mode include on V21e?
Does V21e support extended RAM？
Does V21e support 4K video？
Which camera-pairing option of Double-View video mode does V21e support?
Can I take selfie videos under Slow Mode via Front Camera on my V21e？
What is the battery capacity of V21e? What charging technology does it support?
How to use Steadiface Selfie Mode on V21e?
What is the maximum frame rate of video can V21e support to output under Double-view video mode?
What is Double-Views video? And how to use it on V21e?
How to use Movie Camera on V21e？
Does the front camera support Eye Autofocus？
Does V21e support Super Night Selfie?
What about the photography effect of the front camera?
What camera lens does V21e camera module consist of？
Which Funtouch OS system does V21e adopt？What about the interface design？
Which type of Battery cover design does V21e adopt？