Xiaomi Redmi Smartphone 9T It remains a popular choice because of its balance of price, performance and battery life, but even with such a reliable device, users often have questions: How to turn it on for the first time, what to do if the screen does not respond, or how to avoid typical setup errors.This article will help you understand all the nuances from unpacking the box to completing the initial configuration of the system. MIUI.
We're not going to be limited to basic instructions like "press the power button," but instead, you'll learn how to optimize the first hours of operation with the device: what settings should be changed immediately, how to check the health of all modules, and what to do if the smartphone "hangs" on the logo. We will pay special attention to the unique features of Redmi. 9T — double-fix (A/B), which affects the process of updating and restoring the system.
Preparing for the first turn on: what to do before pressing the power button
Before turning on Redmi 9T, Make sure all the preliminary steps are followed, which will help avoid problems with charging, overheating or malfunctioning.
Start by checking the equipment. The standard box should have:
- 📱 Xiaomi Redmi Smartphone 9T (model M2010J19SG global version)
- 🔌 Cable USB Type-C (usually white, 1 m long)
- ⚡ Charger on the 22.5W (If you bought a new box; in some regions, it is sold without a memory)
- 📄 Short instructions and warranty card
- 🔑 Paperclip for the tray SIM-Cards (sometimes in a separate bag)
If you bought the device from hand, be sure to check:
- 🔋 Battery status in Settings → Battery → Battery condition (must be at least 85% of original capacity)
- 🛡️ The presence of the original film on the screen (its absence may indicate a replacement of the display)
- 🔄 Version of the firmware in Settings → The phone. → Version. MIUI (current for 2026 — MIUI 14 and above)
⚠️ Warning: If the smartphone was bought on the secondary market, perform a full reset to factory settings through Settings → Additionally. → Recovery and reset: This will delete all previous owner data, including linked Mi Accounts that could lock the device.
Before the first turn on, charge the smartphone at least until 30%. Despite the fact that Redmi 9T Supports fast charging, the first 10-15 It is better to use the original charger for a few minutes. 10W (If it's included, it'll help calibrate the power controller.
First inclusion: step-by-step instructions with photo
Now, to the process of activation, follow the instructions carefully so that you don't miss the important steps:
- Install. SIM-card and memory card if necessary): 📱 Turn off your smartphone (if it was previously turned on). 🔍 Find a tray for SIM-cards on the left side (near the volume buttons). 📌 Insert the paperclip into the hole and carefully remove the tray. 🆔 Install nano-SIM in slot 1 (supports) 4G), microSD (up to 512 GB) – in slot 2.
- Turn on the device: 🔄 Press the power button (located on the right) on 3-5 A few seconds before the Redmi logo appears. ⏳ The first incorporation may take up to 2-3 minutes, that's normal.
Choose a language and region
- 🌍 On the welcome screen, select Russian (Russia) or other language you want.
- 📍 Regions are real (this will affect available services, such as Google Play).
Once you have selected a language, the system will offer to connect to a Wi-Fi network.
- 📶 If you have a dual-band router (2.4 GHz) + 5 GHz), choose a 2.4 GHz network – it is more stable for the initial setup.
- 🔒 If the network is hidden, click Other Networks and enter the name (SSID) manually.
☑️ Checklist before setting up MIUI
The system will then propose:
- Sign in to your Mi Account (you can skip it, but this will limit access to the cloud and some features).
- Set up a screen lock (we recommend choosing P)IN-pattern lock or code – Fingerprint set up later).
- Recover data from another device (if necessary).
- Accept the terms of use (mandatory step).
⚠️ Note: If the system requests a password from the previous Mi Account during the setup stage, this means that the smartphone was tied to another user. In this case, you need to unlock through the service center Xiaomi – independently bypass this protection is impossible without the risk of “bricking” the device.
Setting up MIUI After the first switch: what to change first
After the initial setup is completed, you will be taken to the main screen. MIUI. Now you need to optimize the system to suit your needs. Here are the key parameters that you need to adjust immediately:
1. Battery optimization
Go to Settings. → Battery and:
- 🔋 Turn on Adaptive Charging (prolongs battery life).
- ⚡ Turn off AutoRun for unnecessary apps (saves charge).
- 📊 Activate energy saving in standby mode.
2. Security and confidentiality
B Settings → Passwords and security:
- 🔐 Configure Blocking of applications for instant messengers and banking programs.
- 👤 Turn on the face scanner (if you need biometrics).
- 🛡️ Turn off personalized ads in Settings → Google → Advertising.
Notifications and sound
To avoid spam:
- 🔔 B Settings → Notifications Disable Notifications from Unnecessary Applications.
- 🎵 B Settings → Install No Sound for Camera and Screenshots (unless audio signals are needed).
We also recommend:
- 🌐 Change. DNS at 1.1.1.1 (Cloudflare) or 8.8.8.8 (Google) to speed up the Internet (Settings) → Wi-Fi → Additionally. → Settings IP → Static → DNS).
- 📱 Enable Developer Mode (7 times click on Version) MIUI In Settings → About the phone), and then activate the debugging USB and Unlocking OEM (You will need to do future work).
💡
If after setting up the smartphone began to slow down, go to Settings → Annexes → App management and clear cache for Miui System and Google Play Services.This often solves the problem without rebooting.
Checking the efficiency of all modules
After setting up the system, it is important to make sure that all components of Redmi are fully integrated. 9T They work correctly. Do the following tests:
| Module | How to check | Normal result |
|---|---|---|
| Screen. | Open the Settings. → Screen. → Colors and style, choose AMOLED (If available, check for broken pixels. | Smooth lights, no flickering points. |
| Camera. | Launch the Camera app and take a photo on the main (48 MP) and front (8 MP) cameras. | Clear image, no artifacts, autofocus works. |
| Dynamician and microphone | Call another phone or record a voice message to a voice recorder. | The sound is clear, without wheezing, the microphone transmits the voice without distortion. |
| SIM-map | Check the signal level (the icon in the status bar) and the possibility of calls. | Stable signal, no communication breaks. |
| Wi-Fi and Bluetooth | Connect to a Wi-Fi network and pair with headphones or a speaker. | Internet speed is stable, Bluetooth connects without failure. |
If a module is not working properly:
- 🔄 Reboot your smartphone.
- 🛠️ Check the settings (e.g. for camera: Settings) → Annexes → Camera. → Permits).
- 📱 Update the firmware (Settings) → The phone. → Updating the system).
⚠️ Warning: If the sensor is not responsive to touch, try removing the protective film (if any) and cleaning the screen with a dry wipe. If the problem persists, it may be a hardware defect that requires repair.
What to do if the camera gives an error "I failed to connect to the camera"
Solving typical problems in the first inclusion
Even with a new smartphone, there may be problems, and let’s look at the most common ones and how to fix them:
1.The smartphone does not turn on or hangs on the logo
Possible causes and solutions:
- 🔋 Battery discharged: Connect the original charger and wait 15-20 If the charging indicator is not on, try another RAM.
- 🔄 Firmware failure: Press the power button + Volume up for 10 seconds to restart the device in Fastboot mode. then select Reboot.
- 🛠️ Damaged firmware: If the smartphone hangs on the Redmi logo, you will need to flash through the Mi Flash Tool (instruction below).
2.The sensor or buttons are not working.
What to do:
- 🧹 Clean the screen and buttons of dirt (use a soft brush).
- 🔄 Reset the device.
- 📱 Check Safe Mode (if the sensor is working – the problem is in third-party software).
- 🛠️ If nothing helps, it is a hardware malfunction (requires a replacement plume or screen).
3. does not connect to Wi-Fi or mobile network
Decisions:
- 📶 Reboot the router and smartphone.
- 🔄 Forget the network in Wi-Fi settings and connect again.
- 🆔 Check if it is installed correctly SIM-map (the tray should click when closing).
- 📱 Update your firmware or reset your network settings (Settings) → Additionally. → Resetting settings → Resetting network settings).
If you have a problem with your mobile network, check:
- 📡 Settings APN: Settings → SIM-maps and mobile networks → Access points (APN).
- 🆔 Support for the frequency of your operator (Redmi) 9T supportive B1/B3/B5/B7/B8/B20/B28/B38/B40/B41 for 4G).
💡
If the smartphone does not see SIM-The card is good, but the problem may be IMEI. Check it with *#06#. If zeros or error are displayed, restore is required. IMEI via engineering menu or firmware.
Firmware Update: Why It Matters and How to Do It Right
Redmi 9T base-work MIUI, It's a software that gets regular security updates and new features, and the first thing you should do after you set up is update the firmware to the latest version:
- 🛡️ Fixing Vulnerabilities: Older Versions MIUI They may contain security flaws.
- 🚀 Improved performance: New builds optimize the Snapdragon 662 processor.
- 📱 New features: For example, Wi-Fi 6 support or improved camera.
How to update firmware:
- Go to Settings → About the phone → System update.
- Click Check for updates.
- If an update is available, download it (recommended via Wi-Fi).
- After download, click Set and wait for the reboot.
Important nuances:
- 🔋 Make sure the battery is charged >50%.
- 📡 Use a stable Wi-Fi connection (not mobile internet).
- 🕒 Do not interrupt the update process (may take up to a few minutes). 10-15 minute).
⚠️ Attention: Redmi 9T technology A/B updates, which means that there are two firmware slots, and if the update is interrupted, the system will automatically roll back to the previous working version, but a forced power outage during the update can lead to loss of data in the user partition (userdata).
If the update is not available:
- 🌍 Check if the right region is selected (Settings) → Additionally. → Region).
- 🔄 Try changing the update server through Settings → The phone. → Version. MIUI (Press 10 times on the logo MIUI, Choose Global or EEA).
- 📥 Download the firmware manually from the official Xiaomi website and install through System Update → Three points. → Select the update file.
Resetting to factory settings: when it is needed and how to do it safely
Sometimes the only way to fix a smartphone problem is to get it back to factory settings, which is useful in the following cases:
- 🐢 The smartphone is severely slowing down or overheating.
- 🔒 You bought a used device and want to delete the previous owner’s data.
- 🛠️ Errors should be fixed after a failed update.
How to perform the reset:
- Make a backup copy of important data (photos, contacts, messages).
- Go to Settings → Additional → Recovery and Reset.
- Select Settings Reset.
- Confirm the action by entering PIN-code.
- Wait for the process to be completed (it will take 5-10 minutes).
Alternative method (if the smartphone is not turned on):
- Turn off the device.
- Press the Power button + Volume up before the Fastboot logo appears.
- With volume buttons, select Recovery Mode and confirm with the power button.
- From the recovery menu, select Wipe Data → Wipe All Data.
- After resetting, restart your smartphone (Reboot).
⚠️ Note: If the smartphone was linked to the Mi Account, after the reset, you will need to enter the username and password from this account. If you do not know the data, the device will be locked (Mi Cloud Lock.
After discharge:
- 📱 Reset your smartphone (as with the first switch on).
- 🔄 Update the firmware to the latest version.
- 📲 Restore data from backup (if it was made).