Redmi Note 9 Pro FAQ
1．Q：What are the features of Redmi Note 9 Pro？
A：Redmi Note 9 Pro 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 9 Pro body, and what material does it use？
A：Redmi Note 9 Pro 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
A：Redmi Note 9 Pro has no touch button and uses a virtual button scheme.
Setting path: Setting >> Full screen >> classic navigation key
A：Redmi Note 9 Pro has a LED Indicator.
A：Redmi Note 9 Pro supports 3.5mm headphones.
A: The face unlock of Redmi Note 9 Pro 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 Redmi Note 9 Pro'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 suggested that select Settings>> Display>>"wake up" function.
A: The Redmi Note 9 Pro adopts an integrated body design, and the rear cover and battery are not self-disassembly and replacement.
A: Redmi Note 9 Pro 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 9 Pro use and what is its performance?
A: Redmi Note 9 Pro is equipped with qualcomm snapdragon 720G octu-core processor, advanced 8nm process and Kryo 465 architecture, the highest master frequency is 2.3 GHz, with MIUI 11 system-level customized optimization.
A: Redmi Note 9 Pro uses a 16-megapixel camera with AI portrait mode in the front, and 120fps selfies to express their emotions in slow motion.
A: The Redmi Note 9 Pro rear camera adopts 64 million cameras, which are set to 64MP + 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: 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 Note 9 Pro can detect multiple before and after scenes to create better images.
A: For the comprehensive consideration of power and performance, Redmi Note 9 Pro will not render the blur effect in the preview state when taking photos in portrait mode. After the shooting, the photos taken in portrait mode will show the background blur effect.
A: Redmi Note 9 Pro 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 the user shows abnormal display and screen proportion is out of balance, it can be suggested to use
The user submits feedback in the desktop >> system tools folder >> user feedback App, and the module selects more >> third party Application >> 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 Pro 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 9 Pro 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 that 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 that purchase Micro SD cards through regular channels.
A: Redmi Note 9 Pro 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 9 Pro supports 4G+/ 4G / 3G / 2G networks.
11.Q: Does Redmi Note 9 Pro support VoLTE?
A: Redmi Note 9 Pro 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 9 Pro battery?
A: Redmi Note 9 Pro battery capacity is 5020mAh large capacity.
* The actual situation may vary with usage scenarios and software versions.
13.Q: What data interface does Redmi Note 9 Pro use?
A: Redmi Note 9 Pro uses a Type-C USB reversible connector port， and the data transmission standard is USB 2.0.
14.Q: Does Redmi Note 9 Pro support quick charging? What is the standard of the adapter?
A: Redmi Note 9 Pro 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 9 Pro support OTG?
A: Redmi Note 9 Pro 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 9 Pro support NFC (near field communication)?
A: Redmi Note 9 Pro International edition supports NFC (near field communication) function and supports payment function with Google.
17.Q: Does Redmi Note 9 Pro support WiFi in 5GHz band?
A: Redmi Note 9 Pro supports WiFi in 2.4Ghz and 5Ghz band， which can meet the needs of most users for WiFi surfing.
Note: Redmi Note 9 Pro cannot open the phone hotspot while connecting to WiFi.
18.Q: Does Redmi Note 9 Pro support 5G?
A: 5G is not supported.
19.Q: What is the bluetooth version of Redmi Note 9 Pro? Does it support bluetooth HID?
A: Redmi Note 9 Pro 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 9 Pro support radio (FM) function?
A: Redmi Note 9 Pro 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 9 Pro standard?
A: Redmi Note 9 Pro standard equipment includes: mobile phone host， 18W 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 9 Pro? Which version is customized based on Android?
A: The first batch of Redmi Note 9 Pro shipped with MIUI 11 stable version of the system， based on Android 10 in-depth customization.
2.Q: Does Redmi Note 9 Pro have voice assistant?
A: Redmi Note 9 Pro has Google voice assistant.
3.Q: Does Redmi Note 9 Pro support high volume mode?
A: Redmi Note 9 Pro 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 9 Pro supports external amplifying volume， which greatly improves the external playback volume and sound quality of the phone.
4.Q: Does Redmi Note 9 Pro support big MAC fonts?
A: Redmi Note 9 Pro 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 9 Pro 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. Users can also 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 9 Pro support split screen mode?
A: Redmi Note 9 Pro supports split screen mode.
7.Q: Does Redmi Note 9 Pro support minimalist mode?
A: Redmi Note 9 Pro is not pre-installed with the "minimalist mode" function. If you need to use it， you can download and install the "minimalist desktop" App from the Mi App store to realize the minimalist mode function.
8.Q: Does Redmi Note 9 Pro support full-screen gestures?
A: Redmi Note 9 Pro supports full-screen gestures， which you can select 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 9 Pro support one-handed mode?
A: Redmi Note 9 Pro supports one hand mode， open method: Setting >> More setting >> One hand mode， you can choose to use different sizes.
After opening， enter one-hand mode:
1. To enter the left hand one-hand mode， you need to quickly slide from the "desktop key" to the "left function key";
2. To enter the one-handed mode with your right hand， you need to quickly slide from the "desktop key" to the "right function key".
10.Q: Does Redmi Note 9 Pro support double click to wake up?
A: Redmi Note 9 Pro 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， as shown in the following figure.
11.Q: How does Redmi Note 9 Pro perform hardware detection?
A: There are two ways of hardware detection for Redmi Note 9 Pro:
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 9 Pro 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 9 Pro has added Bootloader lock.
13. Q: Does Redmi Note 9 Pro support the Recovery mode to empty data?
A: Redmi Note 9 Pro 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 MILogo appears on the screen.
Frequently Asked Questions
1.Can I use two 4G (for eg. Jio) SIMs at one time?
Yes， the Redmi Note 9 Pro comes with Dual Standby Dual VoLTE. So you can use two Jio SIM cards or two VoLTE SIM cards at the same time. It also has VoWiFi to enable better call clarity using WiFi.
2.Can I use my wired headphones with the Redmi Note 9 Pro?
Yes， Redmi Note 9 Pro comes with a 3.5mm headphone jack so you can use your earphones/headphones with the phone.
3.Does the phone charge quickly?
Yes， it comes with a 33W charger in the box.
4.Can I expand storage on Redmi Note 9 Pro?
Redmi Note 9 Pro features a hybrid microSD slot， which means you can expand storage by another 512GB on top of the internal storage.
5.Is the camera better than the Redmi Note 8 Pro?
Yes， the camera has been enhanced significantly and is better than the Redmi Note 8 Pro， with features like 64MP AI Quad Camera Array with a dedicated 5MP macro sensor.
6.Should I put a screen guard on the screen?
The display comes with Corning Gorilla Glass 5 which protects the display against day to day scratches. You could opt for a screen guard for added protection. The rear and the rear camera is also protected by Gorilla Glass 5
7.Can I shoot portrait photos on the front camera?
Yes， there is a portrait mode on the 16MP front camera on the Redmi Note 9 Pro.
8.Can I use the rear camera to take portrait shots?
Yes， the quad camera setup of 64MP + 8MP + 5MP + 2MP with a dedicated depth sensor on the rear allows you to take portraits.
9.Can I shoot pictures in different scenes on the Redmi Note 9 Pro?
Yes， Redmi Note 9 Pro comes with AI scene detection that detects multiple scenes on both the front and rear to create better images.
10.What version of Android does it have?
Redmi Note 9 Pro runs MIUI 11 based on Android 10
11.Can it run two WhatsApp accounts at the same time?
Yes， it can run two WhatsApp accounts using Dual Apps. You can enable Dual Apps for a lot of other applications besides WhatsApp， for eg. Facebook.
12.Can I connect my USB drive to the phone?
Yes， it has support for OTG. You can also connect keyboards， mice， etc.
13. Can I shoot high-quality videos?
Yes， you can shoot 4K videos on the device.
14.Does it have image stabilisation of any kind?
Yes， there’s Super Stabilisation to allow for jerk-free videos.
15.Can I use two apps on the same screen?
Yes， using the split screen option， you can use two apps at once.
16.Does it have a noise cancelling mic?
Yes， there is active noise cancellation with a dedicated mic.
17.Does it have face unlock?
Yes， it has AI face unlock. Redmi Note 9 Pro has a side-mounted fingerprint sensor too.
Does it help?