How to set up a new Xiaomi Redmi 9S: full-lead

Xiaomi Redmi Smartphone 9S It remains a popular choice among users who value the balance of price and functionality, and even a few years after its release, it is still relevant thanks to regular updates. MIUI But many owners are faced with the question of how to properly configure the device immediately after purchase, to unlock its potential and avoid the typical mistakes?

In this article, we will discuss the step-by-step setting of Redmi. 9S β€” From the first switch on to the finest optimization of the system, you will learn what settings should be changed immediately, how to protect personal data, what functions can be turned off to save power, and how to customize your smartphone to your needs. We will pay special attention to the nuances characteristic of this model, including work with MediaTek Helio. G25, double-tuning SIM-maps and memory optimization.

Whether you are new to the Xiaomi ecosystem or have already had experience with other models of the brand, this guide will help you avoid common problems and make use of Redmi. 9S comfortable.

Preparing for the first inclusion: what to do before setting up

Before you start setting up your smartphone, follow a few preparatory steps that will save time and prevent possible errors in the process.

First, fully charge the battery.Redmi 9S battery-powered 5020 mAh, and the first charging cycle is better to spend from the original adapter Xiaomi (5V/2A) before 100%. This will help calibrate the power controller and extend battery life. avoid using fast charging from other devices at this stage - it is better to stick to the standard mode.

Second, prepare. SIM-Card and memory card (if you plan to use it) Redmi 9S Supports Nano-SIM format + Nano-SIM + microSD (up to 512GB) but if you need two SIM-The card and the additional memory will have to choose: SIM without memory expansion, or one SIM + microSD.

  • πŸ”‹ Charger: Use the original Xiaomi adapter (5V/2A) first-cycle.
  • πŸ“± SIM-Cards: Check the compatibility of operators (supported) 4G VoLTE for most Russian providers).
  • πŸ’Ύ Memory card: format microSD in the FAT32 or exFAT before installation.
  • πŸ“‘ Wi-Fi: Prepare data to connect to your home network (password, type of encryption).

⚠️ Note: If you are transferring data from an old smartphone, make sure that it has disabled the Find My Device (for Android) or Mi Account (for other Xiaomi devices.

Also, you should download official Xiaomi utilities to your computer or other smartphone in advance, which you may need:

Utility.AppointmentReference
Mi MoverTransferring data from an old smartphoneMi App Store
Mi PC SuiteControlling a smartphone from a computerOfficial website
Google DriveBackup of contacts and filesdrive.google.com
πŸ“Š How do you plan to use Redmi? 9S?
The main smartphone
Spare phone.
For work.
For games.
Another option

First Enablement and Basic Configuration of MIUI

When the preparation is complete, you can start the first turn on. Press and hold the power button (located on the right sidebar) for 3-5 seconds until the Redmi logo appears. The first download can take up to 2-3 minutes - this is normal, since the system performs (initiation) of components.

After downloading, you will be met by the MIUI Customizer. Follow the instructions on the screen, but pay attention to the key points:

  1. Language choice: Install Russian (Russia) – this is important for the correct operation of Xiaomi and Google services.
  2. Wi-Fi Connection: Select your network and enter a password. If Wi-Fi is not available, you can skip this step and connect later.
  3. Mi Account authorization: If you already have a Xiaomi account, sign in. If you don't, create a new one (this will open up access to cloud storage, themes, and other features).
  4. Screen lock setting: it is recommended to install PIN-pattern lock (fingerprint is configured later).

At the Data Transfer stage, you can choose one of the options:

  • πŸ“± From another Android device: via Mi Mover (requires the installation of the application on the old smartphone).
  • πŸ–₯️ From iPhone: via Move to iOS (Apple app).
  • ☁️ Backup: If you have previously saved your data to Mi Cloud or Google Drive.
  • ❌ Skip: if you do not need to transfer data.

After completing the wizard settings you will be met by the desktop MIUI. Here you should check several key parameters immediately:

Install system updates|Set up your fingerprint|Disable unnecessary system applications|Check the mobile internet settings|Activate the function "Saving charge"-->

⚠️ Warning: If after setting up you notice that the smartphone is very warm or discharges quickly, check the list of running applications in Settings β†’ Annexes β†’ Run. Often the fault is pre-installed Xiaomi services like Mi Video or Mi Browser, which run in the background.

Security setting: data protection and unlocking

Redmi 9S It offers multiple layers of data protection, but by default, many of the features are disabled:

1. Screen lock setting

Go to Settings. β†’ Password and security β†’ Lock the screen. You can choose from here:

  • πŸ”’ P.IN-code: minimum 4 digits (recommended 6)+ securely).
  • πŸ”„ pattern lock: Convenient but less secure.
  • πŸ‘† Fingerprint: Up to 5 fingerprints are supported (Password and security settings) β†’ Fingerprint).

2. Mi Account and Two-Factor Authentication

Link your email and phone number to your Xiaomi account, which will help restore access if you forget your password. β†’ Mi Account β†’ Account security: Without it, attackers can access your data if they know your password.

3. Protection against malware

V MIUI Security is built in. Run a full system check after you set up:

  • πŸ›‘οΈ Disable the installation of applications from unknown sources (Settings) β†’ Annexes β†’ Special rights β†’ Installation of unknown applications).
  • πŸ” Enable File Checking at Download (Security) β†’ Settings β†’ Verification of uploaded files).
What to do if you forget the pattern lock?
If you have forgotten the pattern lock or PIN-code, and your fingerprint is not set up, you'll have to reset your smartphone to factory settings. 1. Turn off your phone. 2. Press the Power button. + Volume up until the Mi. 3 logo appears. From the Recovery menu, select Wipe Data (manage by volume and power buttons). 4. Once reset, the phone will turn on as new. Attention: all data will be deleted.

On the Redmi. 9S There is no official support for storage encryption (unlike Xiaomi’s flagship models), so use third-party applications such as Cryptomator or other applications to protect sensitive files. Keepass2Android.

Optimizing performance and saving charge

Redmi 9S It is based on the MediaTek Helio processor. G25 with 2GB of RAM (in the basic version), which imposes restrictions on multitasking, but the right settings will help improve smoothness and extend battery life.

1. Set-up of performance mode

Go to Settings. β†’ Battery and performance β†’ Performance mode. There are three options available:

  • ⚑ High performance: maximum processor frequency but fast charge consumption.
  • βš–οΈ Balanced: The best choice for most tasks.
  • πŸ”‹ Charge savings: Limits background activity and reduces screen brightness.

2. Cleaning up cache and unnecessary processes

Over time, the system accumulates temporary files that take up memory and slow down, to clear the cache:

  1. Go to Settings. β†’ Memory.
  2. Click Clean in the Cash section of the applications.
  3. Use Security for deep cleaning β†’ Cleaning (broom badge).

3. Disabling unnecessary functions

Certain functions MIUI Not everyone's good, but turning them off will save them a lot of power:

  • πŸ“‘ Continuous search for Wi-Fi: Settings β†’ Wi-Fi β†’ Additionally. β†’ Network search in the background.
  • πŸ“ Geolocation: Disable for unnecessary applications in Settings β†’ Confidentiality β†’ Permits β†’ geodata.
  • πŸ”” Auto-Update Apps: Google Play β†’ Settings β†’ Auto-update of applications β†’ Only through Wi-Fi.

πŸ’‘

If the smartphone began to slow down after the update MIUI, Try resetting to factory settings, but without deleting data. β†’ The phone. β†’ Resetting settings β†’ Resetting all settings: This method saves files and applications, but returns system parameters to the "out of the box" state".

Problem.Possible causeDecision
Fast battery dischargeBackground activity of applicationsLimit background work in Settings β†’ Battery β†’ Battery use
Overheating during chargingUse of fast chargingCharge your smartphone in the off state or use the original adapter
Hanging when opening the cameraLack of RAMClose the background apps before the camera starts

Communications setup: mobile internet, Wi-Fi and Bluetooth

Redmi 9S It supports dual-SIM (two nano-SIMs), but with some nuances. SIM-cards, note that:

  • Only the first. SIM-Card (slot 1) supports 4G VoLTE.
  • Second second SIM (slot 2) run-in 2G/3G, if in the slot 1 fixed 4G SIM.
  • Using a microSD, the second slot SIM becomes unavailable.

Setting up mobile internet

If the internet is not automatically connected:

  1. Go to Settings. β†’ SIM-maps and mobile networks.
  2. Choose. SIM-map for which you want to set up the Internet.
  3. Press Access Points (APN) Add a new profile with your operator’s parameters (you can find them on the provider’s website).

Wi-Fi and Bluetooth

For stable operation of Wi-Fi:

  • πŸ“Ά Enable the option of Autoconnect to open networks (Settings) β†’ Wi-Fi β†’ If you frequently use public access points.
  • πŸ”„ If Wi-Fi is permanently off, turn off the Mobile Data Switch function in the same menu.

For Bluetooth:

  • 🎧 To improve the sound of wireless headphones, turn on the Codec AAC or aptX (if supported) in Settings β†’ Connected devices β†’ Bluetooth settings β†’ Sound quality.
  • πŸš— To connect to a car tape recorder, you may need to disable dual-app audio in the same settings.

πŸ’‘

If mobile internet is unstable, try manually selecting a network. 4G/LTE In Settings β†’ SIM-maps and mobile networks β†’ The preferred type of network. Sometimes the automatic mode selects the network. 3G, slowing down.

Personalization: topics, desktop and gestures

MIUI It offers a lot of customization options for the interface:

1. Change of the subject of design

Go to the Topics app (the brush icon on your desktop) and you can:

  • 🎨 Install ready-made themes (free and paid).
  • πŸ–ΌοΈ Change wallpaper, icons and fonts separately.
  • πŸŒ™ Enable dark mode (Settings) β†’ Screen. β†’ Dark mode).

2. Desktop setting

To change the location of the icons and the view of the desktop:

  • πŸ“± Press and hold the empty space on the screen. β†’ select Screen settings.
  • πŸ”„ You can turn off Automatic alignment here (if you want to place icons freely).
  • πŸ“‚ To hide unnecessary apps, drag them to the folder or Hidden Apps menu (available after a long click on the icon).

3.Gestural and navigation

Redmi 9S Supports two types of navigation:

  • πŸ”˜ Classic buttons: return to Settings β†’ Screen. β†’ Full screen mode.
  • πŸ‘† Gestures: swipe up for return to desktop, swipe sideways for return back.

To adjust the gestures:

  1. Go to Settings β†’ Additional settings β†’ Gestures.
  2. Turn the gesture back on and adjust the sensitivity.
  3. Activate the Waking Up and Double-Tap to wake up (conveniently but slightly increases battery consumption).

πŸ’‘

If you don’t like the standard launcher MIUI, You can install an alternative (for example, Nova Launcher or Lawnchair).However, note that some functions (for example, gestures) may not work correctly.

Installation and update of applications

By default, Redmi. 9S This is preinstalled with a set of Xiaomi and Google apps, some of which can be removed or disabled to free up memory and reduce background activity.

1. Removal of unnecessary applications

Not all preinstalled apps can be removed completely, but they can be disabled:

  • πŸ—‘οΈ Go to Settings. β†’ Annexes β†’ Application management.
  • πŸ” Find an unnecessary app (e.g. Mi Video, Mi Browser, Facebook).
  • 🚫 Click Disable (if the Remove button is inactive).

Updating system applications

Many Xiaomi apps are updated through the App Store (GetApps icon on the desktop). Launch it and update:

  • πŸ“± Security (antivirus and optimizer).
  • 🎡 Mi Music and Mi Video (if you use it).
  • πŸ“‘ Mi Remote (DU remote for equipment).

3. Install apps from Google Play

Before installing new applications:

  • β˜‘οΈ Check reviews and ratings (avoid apps with a score below 4.0).
  • πŸ›‘οΈ Make sure the app only asks for the necessary permissions.
  • πŸ“₯ To save traffic, turn on Wi-Fi-only download in Google Play settings.

If you prefer to install applications in.apk format, be sure to:

  1. Enable Installation from unknown sources for a specific browser or file manager.
  2. Check the file for viruses using Security or VirusTotal.

πŸ’‘

Update Google Play Services regularly and MIUI System Launcher is critical to the stable operation of a smartphone. These updates often include bug fixes and security improvements.

FAQ: Answers to Frequent Questions about Redmi 9S

How to transfer contacts from your old phone to Redmi 9S?
There are several ways: Through a Google account: on an old phone, export your contacts to a Google account, then log in to the same account on Redmi. 9S β€” The contacts are synchronized automatically. SIM-Map: Copy the contacts to the SIM on your old phone, then import them on your new phone. β†’ Settings β†’ Import/Export: Mi Mover: Install the app on both phones and follow the wireless transmission instructions.
Why Redmi? 9S I can't see the memory card?
Possible causes and solutions: Incompatible format: format the map into FAT32 Or exFAT on a computer. Damaged card: check it on another device. Contact problems: remove and re-paste the card, making sure it sits tightly in the slot. System settings: go to Settings β†’ Memory. β†’ Settings β†’ Format as internal memory (delete all data on the map!).
How to turn on the developer mode?
To activate Developer Mode: Go to Settings β†’ Find the version. MIUI And tap it 7 times in a row, enter the lock password if you need to. β†’ You'll see a new option for developers, and you can turn on the debugging menu. USB, Change interface animation or limit background processes.
How to Calibrate the Battery on Redmi 9S?
If the smartphone does not display the charge level correctly (for example, it turns off sharply at 20%), calibrate: Fully discharge the phone before turning it off. Charge it to 100% without turning it on (use the original adapter). After full charge, turn on your phone and wait until the system reaches 100%. Repeat the discharge/charging cycle another 1-2 times. If the problem persists, check battery wear in Settings β†’ Battery. β†’ Battery status.
Can I install a custom firmware on Redmi? 9S?
Yes, but with reservations: Official bootloader unlock: permission from Xiaomi is required (the process can take up to 30 days). Suitable firmware: look for builds for the curtana model (codenamed Redmi). 9S). Risks: loss of warranty, possible problems with the camera or mobile communication.We recommend that novice users refrain from this step, as firmware errors can lead to a brick device.