Does V21e support Hi-Fi？
Can I take selfie videos under Slow Mode via Front Camera on my V21e？
Does V21e support Custom watermark？
What is the maximum frame rate of video can V21e support to output under Double-view video mode?
How to output Photos with 16MP in RAW + JPG format?
Which camera-pairing option of Double-View video mode does V21e support?
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？
What camera lens does V21e camera module consist of？
Does V21e support extended RAM？
Which Funtouch OS system does V21e adopt？What about the interface design？