Overview
1．Q：What are the features of Redmi 9？
A：Redmi 9 has a AI quad camera, 6.53" Full HD + display,a 5020mAh (typ) high-capacity battery with a maximum support of 18W quick charging + type-c interface, quick charging at critical moments; wireless FM radio, can listen to news, music, storytelling without headphones;The hardware is equipped with Helio G80 processor and 12nm FinFET processor, and 19.5:9 ratio to bring a cinematic visual experience.
Appearance
1．Q：What are the features of Redmi 9 body,and what material does it use？
A：Redmi 9 uses a 6.53" LCD full screen; Screen glass material is the third Corning protection glass, the back of the body uses the integration of 3D four surface design, at the same time also much lighter than the metal shell of mobile phone back; For the phone color,we can choose the Carbon Grey,Sunset Purple,Ocean Green 3 kinds of color.
2．Q：Does Redmi 9 have touch button？
A：Redmi 9 has no touch button and uses a virtual button scheme.
Setting path: Additional setting >> Full screen display >> Buttons.
3．Q：Does Redmi 9 have a LED indicator？
A：Redmi 9 doesn’t have a LED indicator.
4．Q：What specification does Redmi 9 use? What headphone equipment can use?
A：Redmi 9 supports 3.5mm digital headphones
Note：Redmi 9 does not support adapter analog headphones.
5．Q: What are the features of Redmi 9's AI face unlock?
A: The face unlock of Redmi 9 can achieve fast and safe face unlock through high-precision intelligent matching through face detection, attitude estimation, quality assessment, feature extraction, face comparison, in vivo detection and other technologies.
Risk tip: Face recognition is less secure than graphic, digital and hybrid passwords, and the phone could be unlocked by photos, people with similar looks or objects with similar features.
6.Q: Do you need to wake up the Redmi 9 screen of face unlock?
A: The Redmi 9's face unlock needs to wake up the screen after use. It can be used with the function of lifting and awakening to realize the smooth experience of lifting and unlocking the phone. You can select Settings>> Display>>"wake up" function.
7.Q: Does Redmi 9 support self-replacement of rear cover?
A: The Redmi 9 adopts an integrated body design, and the rear cover and battery are not self-disassembly and replacement.
8.Q: Does Redmi 9 support waterproofing?
A: Doesn’t support waterproofing. Redmi 9 has P2i coating process technology.
Hardware related
1.Q: What processor does Redmi 9 use and what is its performance?
A: Redmi 9 is equipped with Media Tek Helio G80, advanced 12nm process , the highest master frequency is 2.0 GHz, with MIUI 11 system-level customized optimization.
2.Q: What is the selfie effect of Redmi 9 front camera?
A: Redmi 9 uses a 13MP camera with AI portrait mode in the front and express their emotions in slow motion.
3. Q: How does the Redmi 9 rear camera?
A: The Redmi 9 rear cameras are set to 13MP+8MP+5MP+2MP quad camera, with AI scene detection function, which can detect multiple scenes before and after to create better images.
4. Q: What is AI scene detection?
A: Through the depth algorithm and learning of artificial intelligence, the camera can support a variety of application scenes in real time. According to the different shooting contents, the camera parameters will be automatically adjusted by artificial intelligence and the optimization scheme will be matched, so that the picture will have layers, the subject will be highlighted with details, and the color will look better. Currently Redmi 9 can detect multiple before and after scenes to create better images.
5.Q: Why doesn't Redmi 9 blur in preview when taking photos in portrait mode?
A: For the comprehensive consideration of power and performance,
