Which Funtouch OS does V21 adopt? What about the interface design?
Which glass back cover does V21 adopt?
Does V21 support to display real-time network speed on the status bar?
How to output photos with 16MP in RAW + JPG format?
Does V21 support extended RAM?
Can I take selfie videos in Slo-Mo Mode with the Front Camera on my V21?
What are Personal Facial Features—nevus remaining function? How to use it?
What is the maximum frame rate of video does V21 support in Dual-View Video mode?
Why Face Beauty in Double-View video mode is greyed out?
Does V21 support 4K video?
What cameras does V21 camera module consist of?
Does V21 support AI Scene Recognition? How to enable it?
What is Dual-View Video? And how to use it on V21?
How to use Selfie Spotlight?
What about the photography effect of the front camera?
Which camera combination in Dual-View Video mode does V21 support?
What is Ultra Stable Video?
Does V21 support Super Night Selfie?
How to turn on both the Softlight Band and the screen fill light when taking selfies with V21?
How to use Dual Selfie Spotlight to shoot a video at night?
Does the front camera support Eye Autofocus?