Redmi Note 9 FAQ
Overview
1．Q：What are the features of Redmi Note 9？
A：Redmi Note 9 has a 3D four-curved body + water wave texture, a 5020mAh large rechargeable battery with a maximum support of 18W quick charging and 9W cable reverse charging, 48 million AI camera, wireless FM radio, can listen to news, music, storytelling without headphones; The hardware is equipped with MTK Helio G85 eight-core processor, 6.53-inch eye-protection screen, and resolution is 2340x1080 FHD +,19.5：9 ratio to bring a cinematic visual experience.
Appearance
1．Q：What are the features of Redmi Note 9 body, and what material does it use？
A：Redmi Note 9 uses a 6.53 -inch LCD full screen; Screen glass material is the fifth 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; the gray, white, green colors support to choose.
1．Q：What are the features of Redmi Note 9？
A：Redmi Note 9 has a 3D four-curved body + water wave texture, a 5020mAh large rechargeable battery with a maximum support of 18W quick charging and 9W cable reverse charging, 48 million AI camera, wireless FM radio, can listen to news, music, storytelling without headphones; The hardware is equipped with MTK Helio G85 eight-core processor, 6.53-inch eye-protection screen, and resolution is 2340x1080 FHD +,19.5：9 ratio to bring a cinematic visual experience.
Appearance
1．Q：What are the features of Redmi Note 9 body, and what material does it use？
A：Redmi Note 9 uses a 6.53 -inch LCD full screen; Screen glass material is the fifth 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; the gray, white, green colors support to choose.
2．Q：Does Redmi Note 9 have touch button？
A：Redmi Note 9 has no touch button and uses a virtual button scheme.
Setting path: Setting >> Full screen >> Classic navigation key
A：Redmi Note 9 has no touch button and uses a virtual button scheme.
Setting path: Setting >> Full screen >> Classic navigation key
3．Q：Does Redmi Note 9 have a LED Indicator？
A：Redmi Note 9 doesn’t have a LED Indicator.
A：Redmi Note 9 doesn’t have a LED Indicator.
4. Q：What parts does the Redmi Note 9 have?
A：As shown:
A：As shown:
5．Q：What specification does Redmi Note 9 use? What headphone equipment can use?
A：Redmi Note 9 supports 3.5mm headphones.
A：Redmi Note 9 supports 3.5mm headphones.
6．Q: What are the features of Redmi Note 9's face unlock?
A: The face unlock of Redmi Note 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,or those who with similar looks or objects with similar features.
A: The face unlock of Redmi Note 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,or those who with similar looks or objects with similar features.
7.Q: Does it support to wake up the Redmi Note 9 screen of face unlock?
A: The Redmi Note 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. It is recommended to select Settings>> Display>>"wake up" function.
A: The Redmi Note 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. It is recommended to select Settings>> Display>>"wake up" function.
8.Q: Does Redmi Note 9 support self-replacement of rear cover?
A: The Redmi Note 9 adopts an integrated body design, and the rear cover and battery are not self-disassembly and replacement.
A: The Redmi Note 9 adopts an integrated body design, and the rear cover and battery are not self-disassembly and replacement.
9.Q: Does Redmi Note 9 support waterproofing?
A: Redmi Note 9 has complete machine P2i coating of IP53 technology, which supports life waterproof and splashproof. Damages caused by invading liquid or dust are not covered by the warranty. In addition, life dustproof spillage function will be reduced due to daily wear and tear, not permanent effective. Do not charge mobile phone in wet condition.
Hardware related
1.Q: What processor does Redmi Note 9 use and what is its performance?
A: Redmi Note 9 is equipped with MTK Helio G85 eight-core processor, the highest master frequency is 2.0 GHz, with MIUI 11 system-level customized optimization.
A: Redmi Note 9 has complete machine P2i coating of IP53 technology, which supports life waterproof and splashproof. Damages caused by invading liquid or dust are not covered by the warranty. In addition, life dustproof spillage function will be reduced due to daily wear and tear, not permanent effective. Do not charge mobile phone in wet condition.
Hardware related
1.Q: What processor does Redmi Note 9 use and what is its performance?
A: Redmi Note 9 is equipped with MTK Helio G85 eight-core processor, the highest master frequency is 2.0 GHz, with MIUI 11 system-level customized optimization.
2.Q: What is the selfie effect of Redmi Note 9 front camera?
A: Redmi Note 9 uses a 1300 pixel camera with AI portrait mode in the front, and AI beautification, short film shooting, can make shooting more attractive and can be customized according to personal preferences.
A: Redmi Note 9 uses a 1300 pixel camera with AI portrait mode in the front, and AI beautification, short film shooting, can make shooting more attractive and can be customized according to personal preferences.
3. Q: How does the Redmi Note 9 rear camera?
A: The Redmi Note 9 rear camera adopts 48 million cameras, which are set to 48MP + 8MP + 2MP + 2MP, with AI scene detection function, intelligent ultra wide Angle mode and stable hand-held night photography bring a wonderful experience.
A: The Redmi Note 9 rear camera adopts 48 million cameras, which are set to 48MP + 8MP + 2MP + 2MP, with AI scene detection function, intelligent ultra wide Angle mode and stable hand-held night photography bring a wonderful experience.
4. Q: Does Redmi Note 9 support Gesture photo and custom model watermark?
A: It supports.
A: It supports.
5. What new functions and implementation methods are specifically added to the rear camera?
A: New features: When adding intelligent rear wide Angle recommendation (identifying buildings, group photos, towers and statues), toast pops up: "it is recommended to open 0.6x ultra-wide Angle mode", and color optimization is performed based on the tuning method of the scene.
A: New features: When adding intelligent rear wide Angle recommendation (identifying buildings, group photos, towers and statues), toast pops up: "it is recommended to open 0.6x ultra-wide Angle mode", and color optimization is performed based on the tuning method of the scene.
6.Q: What scale screen does Redmi Note 9 use?
A: Redmi Note 9 uses a 19.5：9 ratio screen (resolution is 1080x2340).At present, most apps on the market can automatically recognize the size and resolution of the phone's screen, so that the full screen can be displayed on the screen.A small number of software or play video may not be full screen, not full screen software can be in the full screen Settings can force full screen, no black edge.
Note: if the current frequently used App of abnormal display and screen proportion is out of balance, it can be supported to use
Submits feedback in the desktop >> system tools folder >> user feedback App, and the module selects more >> third party
Application >> to select the corresponding application name, and detailed description of the problem of the App name, we will contact as soon as possible App developers make adaptation updates.
A: Redmi Note 9 uses a 19.5：9 ratio screen (resolution is 1080x2340).At present, most apps on the market can automatically recognize the size and resolution of the phone's screen, so that the full screen can be displayed on the screen.A small number of software or play video may not be full screen, not full screen software can be in the full screen Settings can force full screen, no black edge.
Note: if the current frequently used App of abnormal display and screen proportion is out of balance, it can be supported to use
Submits feedback in the desktop >> system tools folder >> user feedback App, and the module selects more >> third party
Application >> to select the corresponding application name, and detailed description of the problem of the App name, we will contact as soon as possible App developers make adaptation updates.
7.Q: What are the features of the Redmi Note 9 screen? Does it support sun screen, night screen and eye protection mode?
A: Redmi Note 9 uses a 6.53-inch LCD eye-protection screen with a resolution of 1080(H)*2340(V) and a screen ratio of 19.5:9.Support for sun screen, night screen, eye protection mode.
A: Redmi Note 9 uses a 6.53-inch LCD eye-protection screen with a resolution of 1080(H)*2340(V) and a screen ratio of 19.5:9.Support for sun screen, night screen, eye protection mode.
8.Q: What kind of SIM card can Redmi Note 9 use? Does it support external SD card?
A: Redmi Note 9 adopts Nano SIM card +Nano SIM card +Micro SD card slot design.
Note 1: it is not recommended to cut the card by themselves, which may cause damage to the card holder, fail to recognize the card or SIM card cannot be taken out, etc.
Note 2: it is recommended to purchase Micro SD cards through regular channels.
A: Redmi Note 9 adopts Nano SIM card +Nano SIM card +Micro SD card slot design.
Note 1: it is not recommended to cut the card by themselves, which may cause damage to the card holder, fail to recognize the card or SIM card cannot be taken out, etc.
Note 2: it is recommended to purchase Micro SD cards through regular channels.
9. Q: Does Redmi Note 9 support dual sim cards and dual standby?
A: Redmi Note 9 supports dual sim cards and dual standby (single pass). Dual sim cards do not distinguish between primary and secondary cards.
Note: The local carrier's network determines whether to support 4G.
A: Redmi Note 9 supports dual sim cards and dual standby (single pass). Dual sim cards do not distinguish between primary and secondary cards.
Note: The local carrier's network determines whether to support 4G.
Does it help?
Yes
No