Redmi Note 9S FAQ
Overview
1．Q：What are the features of Redmi Note 9S？
A：Redmi Note 9S has a 3D four-curved body + water wave texture, a 5020mAh large rechargeable battery with a maximum support of 18W quick charging + type-c interface, quick charging at critical moments;64 million AI camera, wireless FM radio, can listen to news, music, storytelling without headphones; The hardware is equipped with qualcomm snapdragon 720G eight-core processor, 8nm manufacturing process, 6.67-inch eye-protection screen, and 20:9 ratio to bring a cinematic visual experience.
1．Q：What are the features of Redmi Note 9S？
A：Redmi Note 9S has a 3D four-curved body + water wave texture, a 5020mAh large rechargeable battery with a maximum support of 18W quick charging + type-c interface, quick charging at critical moments;64 million AI camera, wireless FM radio, can listen to news, music, storytelling without headphones; The hardware is equipped with qualcomm snapdragon 720G eight-core processor, 8nm manufacturing process, 6.67-inch eye-protection screen, and 20:9 ratio to bring a cinematic visual experience.
Appearance
1．Q：What are the features of Redmi Note 9S body, and what material does it use？
A：Redmi Note 9S uses a 6.67 -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; For the phone color, choose the Blue, tarnish, white, green 4 kinds of color.
1．Q：What are the features of Redmi Note 9S body, and what material does it use？
A：Redmi Note 9S uses a 6.67 -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; For the phone color, choose the Blue, tarnish, white, green 4 kinds of color.
2．Q：Does Redmi Note 9S have touch button？
A：Redmi Note 9S has no touch button and uses a virtual button scheme.
Setting path: Setting >> Full screen >> classic navigation key
A：Redmi Note 9S has no touch button and uses a virtual button scheme.
Setting path: Setting >> Full screen >> classic navigation key
3．Q：Does Redmi Note 9S have a LED indicator？
A：Redmi Note 9S has a breathing light.
4. What parts does the Redmi Note 9S have?
A：As shown:
5．Q：What specification does Redmi Note 9S use? What headphone equipment can use?
A：Redmi Note 9S supports3.5mm headphones
Note：Redmi Note 9S does not support type-c adapter analog headphones.
A：Redmi Note 9S has a breathing light.
4. What parts does the Redmi Note 9S have?
A：As shown:
5．Q：What specification does Redmi Note 9S use? What headphone equipment can use?
A：Redmi Note 9S supports3.5mm headphones
Note：Redmi Note 9S does not support type-c adapter analog headphones.
6．Q: What are the features of Redmi Note 9S's face unlock?
A: The face unlock of Redmi Note 9S 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.
A: The face unlock of Redmi Note 9S 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.
7.Q: Does it support to wake up the Redmi Note 9S screen of face unlock?
A: The Redmi Note 9S'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. Select Settings>> Display>>"wake up" function.
A: The Redmi Note 9S'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. Select Settings>> Display>>"wake up" function.
8.Q: Does Redmi Note 9S support self-replacement of rear cover?
A: The Redmi Note 9S adopts an integrated body design, and the rear cover and battery are not self-disassembly and replacement.
A: The Redmi Note 9S adopts an integrated body design, and the rear cover and battery are not self-disassembly and replacement.
9.Q: Does Redmi Note 9S support waterproofing?
A: Redmi Note 9S has P2i splash-proof nano coating 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 9S use and what is its performance?
A: Redmi Note 9S is equipped with qualcomm snapdragon 720G octu-core processor, advanced 8nm process and Kryo architecture, the highest master frequency is 2.3 GHz, with MIUI 11 system-level customized optimization.
A: Redmi Note 9S has P2i splash-proof nano coating 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 9S use and what is its performance?
A: Redmi Note 9S is equipped with qualcomm snapdragon 720G octu-core processor, advanced 8nm process and Kryo architecture, the highest master frequency is 2.3 GHz, with MIUI 11 system-level customized optimization.
2.Q: What is the selfie effect of Redmi Note 9S front camera?
A: Redmi Note 9S uses a 16-megapixel camera with AI portrait mode in the front, and 120fps selfies to express their emotions in slow motion.
A: Redmi Note 9S uses a 16-megapixel camera with AI portrait mode in the front, and 120fps selfies to express their emotions in slow motion.
3. Q: How does the Redmi Note 9S rear camera?
A: The Redmi Note 9S rear camera adopts 48 million cameras, which are set to 48MP + 8MP + 5MP + 2MP, with AI scene detection function, which can detect multiple scenes before and after to create better images, and can shoot high-quality 4K video on the device.
A: The Redmi Note 9S rear camera adopts 48 million cameras, which are set to 48MP + 8MP + 5MP + 2MP, with AI scene detection function, which can detect multiple scenes before and after to create better images, and can shoot high-quality 4K video on the device.
4. Q: Does Redmi Note 9S support moon mode?
A: It doesn’t support.
A: It doesn’t support.
5. What new functions and implementation methods are specifically added to the rear camera?
A: New features: "AI watermark", "Kaleidoscope", "Dazzle mode"
A: New features: "AI watermark", "Kaleidoscope", "Dazzle mode"
6.Q: What scale screen does Redmi Note 9S use?
A: Redmi Note 9S uses a 20: 9 ratio screen (resolution 1080(H)*2400(V)).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 of 20:9.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 suggested 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 9S uses a 20: 9 ratio screen (resolution 1080(H)*2400(V)).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 of 20:9.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 suggested 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 9S screen? Does it support sun screen, night screen, eye protection mode and color temperature adjustment?
A: Redmi Note 9S uses a 6.67-inch LCD eye-protection screen with a resolution of 1080(H)*2400(V) and A screen ratio of 20:9.Support for sunlight screen 2.0, noctilucent screen, eye protection mode 2.0 and non-polar color temperature.
A: Redmi Note 9S uses a 6.67-inch LCD eye-protection screen with a resolution of 1080(H)*2400(V) and A screen ratio of 20:9.Support for sunlight screen 2.0, noctilucent screen, eye protection mode 2.0 and non-polar color temperature.
8.Q: What kind of SIM card can Redmi Note 9S use? Does it support external SD card?
A: Redmi Note 9S adopts Nano SIM card +Nano SIM card +Micro SD card slot design; Up to 512GB capacity, can store more content.
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 can not be taken out, etc.
Note 2: it is recommended to purchase Micro SD cards through regular channels.
A: Redmi Note 9S adopts Nano SIM card +Nano SIM card +Micro SD card slot design; Up to 512GB capacity, can store more content.
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 can not be taken out, etc.
Note 2: it is recommended to purchase Micro SD cards through regular channels.
9. Q: Does Redmi Note 9S support dual sim cards and dual standby?
A: Redmi Note 9S supports dual sim cards and dual standby (single pass). Dual sim cards do not distinguish between primary and secondary cards.
Note: Dual 4G SIM requires support from local carrier services and may not be available in all regions.
A: Redmi Note 9S supports dual sim cards and dual standby (single pass). Dual sim cards do not distinguish between primary and secondary cards.
Note: Dual 4G SIM requires support from local carrier services and may not be available in all regions.
11.Q: Does Redmi Note 9S support VoLTE?
A: Redmi Note 9S supports VoLTE (HD voice and video calling);Use this feature to make the call faster, better call quality; It needs SIM card operator to support, and the region has VoLTE network signal coverage.
A: Redmi Note 9S supports VoLTE (HD voice and video calling);Use this feature to make the call faster, better call quality; It needs SIM card operator to support, and the region has VoLTE network signal coverage.
12.Q: What is the capacity of the Redmi Note 9S battery?
A: Redmi Note 9S battery capacity is 5020mAh large capacity.
A: Redmi Note 9S battery capacity is 5020mAh large capacity.
13.Q: What data interface does Redmi Note 9S use?
A: Redmi Note 9S uses a Type-C USB reversible connector port, and the data transmission standard is USB 2.0.
14.Q: Does Redmi Note 9S support quick charging? What is the standard of the adapter?
A: Redmi Note 9S supports QC4.0 and USB PD, and it can also be compatible with other QC protocols downward. QC3.0 supports up to 18W, but USB PD can support higher power charging up to 100W.
15.Q: Does Redmi Note 9S support OTG?
A: Redmi Note 9S supports OTG function and can also connect to keyboard, mouse, etc. It is necessary to purchase Type-C interface OTG line for use. If the OTG cable of Micro USB interface is used to connect the phone with Micro USB to type-c adapter, it will not be recognized.
16.Q: Does Redmi Note 9S support NFC (near field communication)?
A: Redmi Note 9S doesn't support NFC function.
17.Q: Does Redmi Note 9S support WiFi in 5GHz band?
A: Redmi Note 9S supports WiFi in 2.4Ghz and 5Ghz band for WiFi surfing.
Note: Redmi Note 9S cannot open the phone hotspot while connecting to WiFi.
18.Q: Does Redmi Note 9S support 5G?
A: 5G is not supported.
19.Q: What is the bluetooth version of Redmi Note 9S? Does it support bluetooth HID?
A: Redmi Note 9S uses bluetooth version BT5.0, supports bluetooth HID, and can connect to external devices such as bluetooth mouse and bluetooth keyboard.
20.Q: Does Redmi Note 9S support radio (FM) function?
A: Redmi Note 9S supports a wireless radio (FM) function. It can listen to radio without the headphone, and can listen to regular FM radio programs, It covers all frequencies from 87-108mhz.
21.Q: What does the Redmi Note 9S standard?
A: Redmi Note 9S standard equipment includes: mobile phone host, power adapter, USB Type-C data cable, three packets of credentials, guide, pin.
System related
1.Q: Which version of MIUI is the built-in system of Redmi Note 9S? Which version is customized based on Android?
A: The first batch of Redmi Note 9S shipped with MIUI 11 stable version of the system, based on Android 10 in-depth customization.
2.Q: Does Redmi Note 9S have voice assistant?
A: Redmi Note 9S has Google voice assistant.
3.Q: Does Redmi Note 9S support high volume mode?
A: Redmi Note 9S supports the high-volume mode. After adjusting the call volume to full, press the volume + button upward to enable the high-volume mode. By optimizing the software with the underlying hardware, the volume of the receiver can be increased again. At the same time, Redmi Note 9S supports external amplifying volume, which greatly improves the external playback volume and sound quality of the phone.
4.Q: Does Redmi Note 9S support big MAC fonts?
A: Redmi Note 9S supports big MAC font, which makes reading large characters easier and more convenient for the elderly.
Open path: System Settings >> Display >> Font size >> select "big MAC".
5.Q: What is Dark Mode?
A: Redmi Note 9S supports dark mode. The interface of the system and some applications is mainly black, which can reduce the discomfort of using the phone at night.
Note 1: Some screen display functions will be affected when the dark mode is turned on; At the same time, because some third-party apps have not adapted to the dark mode, there may be an abnormal situation on the display. If the relevant display is abnormal after opening, it will return to normal after closing the dark color mode.Submit feedback through the user feedback App to help us better complete and optimize.
Note 2: Turn on the cell phone Settings - display, turn on the "dark mode" switch to enable the dark mode.
Note 3: At present, the dark mode does not support automatic switching according to time and remaining power.
6.Q: Does Redmi Note 9S support split screen mode?
A: Redmi Note 9S supports split screen mode.
7.Q: Does Redmi Note 9S support minimalist mode?
A: Redmi Note 9S is not pre-installed with the "minimalist mode" function. Download and install the "minimalist desktop" App from the Mi App store to realize the minimalist mode function.
8.Q: Does Redmi Note 9S support full-screen gestures?
A: Redmi Note 9S supports full-screen gestures, selecting directly at the first boot or switch in the full-screen options set by the system after entering the system.
9.Q: Does Redmi Note 9S support one-handed mode?
A: Redmi Note 9S supports one hand mode, open method: Setting >> More setting >> One hand mode, to choose different sizes.
After opening, enter one-hand mode:
1. To enter the left hand one-hand mode, need to quickly slide from the "desktop key" to the "left function key";
2. To enter the one-handed mode with right hand, need to quickly slide from the "desktop key" to the "right function key".
10.Q: Does Redmi Note 9S support double click to wake up?
A: Redmi Note 9S supports double click on the screen to wake up (the system is turned off by default), which needs to be turned on manually.
Open double-click wake-up setting path: system setting >> shows >> double-click wake-up.
11.Q: How does Redmi Note 9S perform hardware detection?
A: There are two ways of hardware detection for Redmi Note 9S:
Method 1: enter "*#*#64663#*#*" in the dial interface, or enter "*#*#6484#*#*".
Mode 2: in the Setting>>My device>>All parameters, click "kernel version" four times.
12.Q: Does Redmi Note 9S have Bootloader lock?
A: In order to improve the security of user data, ensure the reliability of phone search function, and prevent scalpers from batch swiping third-party ROM, which may lead to user information leakage or other system problems, Redmi Note 9S has added Bootloader lock.
13. Q: Does Redmi Note 9S support the Recovery mode to empty data?
A: Redmi Note 9S supports the Recovery mode to clear all data. Enter the Recovery mode: in the shutdown state, hold down the volume + power button, and release the power button until entering the Recovery mode after MI Logo appears on the screen.
A: Redmi Note 9S uses a Type-C USB reversible connector port, and the data transmission standard is USB 2.0.
14.Q: Does Redmi Note 9S support quick charging? What is the standard of the adapter?
A: Redmi Note 9S supports QC4.0 and USB PD, and it can also be compatible with other QC protocols downward. QC3.0 supports up to 18W, but USB PD can support higher power charging up to 100W.
15.Q: Does Redmi Note 9S support OTG?
A: Redmi Note 9S supports OTG function and can also connect to keyboard, mouse, etc. It is necessary to purchase Type-C interface OTG line for use. If the OTG cable of Micro USB interface is used to connect the phone with Micro USB to type-c adapter, it will not be recognized.
16.Q: Does Redmi Note 9S support NFC (near field communication)?
A: Redmi Note 9S doesn't support NFC function.
17.Q: Does Redmi Note 9S support WiFi in 5GHz band?
A: Redmi Note 9S supports WiFi in 2.4Ghz and 5Ghz band for WiFi surfing.
Note: Redmi Note 9S cannot open the phone hotspot while connecting to WiFi.
18.Q: Does Redmi Note 9S support 5G?
A: 5G is not supported.
19.Q: What is the bluetooth version of Redmi Note 9S? Does it support bluetooth HID?
A: Redmi Note 9S uses bluetooth version BT5.0, supports bluetooth HID, and can connect to external devices such as bluetooth mouse and bluetooth keyboard.
20.Q: Does Redmi Note 9S support radio (FM) function?
A: Redmi Note 9S supports a wireless radio (FM) function. It can listen to radio without the headphone, and can listen to regular FM radio programs, It covers all frequencies from 87-108mhz.
21.Q: What does the Redmi Note 9S standard?
A: Redmi Note 9S standard equipment includes: mobile phone host, power adapter, USB Type-C data cable, three packets of credentials, guide, pin.
System related
1.Q: Which version of MIUI is the built-in system of Redmi Note 9S? Which version is customized based on Android?
A: The first batch of Redmi Note 9S shipped with MIUI 11 stable version of the system, based on Android 10 in-depth customization.
2.Q: Does Redmi Note 9S have voice assistant?
A: Redmi Note 9S has Google voice assistant.
3.Q: Does Redmi Note 9S support high volume mode?
A: Redmi Note 9S supports the high-volume mode. After adjusting the call volume to full, press the volume + button upward to enable the high-volume mode. By optimizing the software with the underlying hardware, the volume of the receiver can be increased again. At the same time, Redmi Note 9S supports external amplifying volume, which greatly improves the external playback volume and sound quality of the phone.
4.Q: Does Redmi Note 9S support big MAC fonts?
A: Redmi Note 9S supports big MAC font, which makes reading large characters easier and more convenient for the elderly.
Open path: System Settings >> Display >> Font size >> select "big MAC".
5.Q: What is Dark Mode?
A: Redmi Note 9S supports dark mode. The interface of the system and some applications is mainly black, which can reduce the discomfort of using the phone at night.
Note 1: Some screen display functions will be affected when the dark mode is turned on; At the same time, because some third-party apps have not adapted to the dark mode, there may be an abnormal situation on the display. If the relevant display is abnormal after opening, it will return to normal after closing the dark color mode.Submit feedback through the user feedback App to help us better complete and optimize.
Note 2: Turn on the cell phone Settings - display, turn on the "dark mode" switch to enable the dark mode.
Note 3: At present, the dark mode does not support automatic switching according to time and remaining power.
6.Q: Does Redmi Note 9S support split screen mode?
A: Redmi Note 9S supports split screen mode.
7.Q: Does Redmi Note 9S support minimalist mode?
A: Redmi Note 9S is not pre-installed with the "minimalist mode" function. Download and install the "minimalist desktop" App from the Mi App store to realize the minimalist mode function.
8.Q: Does Redmi Note 9S support full-screen gestures?
A: Redmi Note 9S supports full-screen gestures, selecting directly at the first boot or switch in the full-screen options set by the system after entering the system.
9.Q: Does Redmi Note 9S support one-handed mode?
A: Redmi Note 9S supports one hand mode, open method: Setting >> More setting >> One hand mode, to choose different sizes.
After opening, enter one-hand mode:
1. To enter the left hand one-hand mode, need to quickly slide from the "desktop key" to the "left function key";
2. To enter the one-handed mode with right hand, need to quickly slide from the "desktop key" to the "right function key".
10.Q: Does Redmi Note 9S support double click to wake up?
A: Redmi Note 9S supports double click on the screen to wake up (the system is turned off by default), which needs to be turned on manually.
Open double-click wake-up setting path: system setting >> shows >> double-click wake-up.
11.Q: How does Redmi Note 9S perform hardware detection?
A: There are two ways of hardware detection for Redmi Note 9S:
Method 1: enter "*#*#64663#*#*" in the dial interface, or enter "*#*#6484#*#*".
Mode 2: in the Setting>>My device>>All parameters, click "kernel version" four times.
12.Q: Does Redmi Note 9S have Bootloader lock?
A: In order to improve the security of user data, ensure the reliability of phone search function, and prevent scalpers from batch swiping third-party ROM, which may lead to user information leakage or other system problems, Redmi Note 9S has added Bootloader lock.
13. Q: Does Redmi Note 9S support the Recovery mode to empty data?
A: Redmi Note 9S supports the Recovery mode to clear all data. Enter the Recovery mode: in the shutdown state, hold down the volume + power button, and release the power button until entering the Recovery mode after MI Logo appears on the screen.
Does it help?
Yes
No