How to set up the new Xiaomi Redmi 9T smartphone: a complete guide from activation to fine-tuning

The first steps with the new Xiaomi Redmi 9T: what to do immediately after unpacking

You just got the Xiaomi Redmi 9T, a budget smartphone with impressive specs: a Snapdragon 662 processor, a 6,000mAh battery, and a quadruple camera. But before you can enjoy the full capabilities of the device, you have to set it up properly. Take your time to install apps or take photos — stability, data security, and even battery life depend on the correct initial setup.

This instruction will help to avoid typical mistakes of beginners: from turning on the smartphone without SIM-Cards (which can lead to problems with the IMEI) pre-tuning MIUI, We'll go through every step, from the physical conditioning of the phone to the hidden features that are not covered in the standard manual. MIUI 14, as this version changed the logic of contact access control and geolocation.

If you’re moving from an iPhone or a smartphone from another brand, get ready for the peculiarities of the Xiaomi ecosystem: it has its own branded services (Mi Account, Mi Cloud), unique gestures and even a hidden menu for engineering settings. Don’t worry, we’ll explain everything in plain language.

Preparing the phone for the first turn on: SIM-maps, charging and buttons

Before you press the power button, do a few physical actions, which will take no more than 5 minutes, but will save you from problems in the future:

• 📱 Install. SIM-card and memory card (if you plan to). 9T A hybrid slot is used: either two nano-SIMs or one SIM + microSD up to 512GB. Use the needle from the kit to open the tray.
• 🔋 Charge your phone to at least 30 percent. Complete discharge out of the box can have a negative impact on the lithium polymer battery. USB-C and an 18W adapter (included in the kit).
• 🔘 Look at the buttons, the power button and volume control are on the right side. Double tapping the power button triggers the camera by default, which you can turn off later.

⚠️ Attention: Don't turn on Redmi 9T without SIM-If you plan to use the mobile Internet, this can lead to blocking in some regions. IMEI Xiaomi’s policy to combat “gray” devices.

If you use a memory card, format it as internal storage (the option will appear when you first connect), which will allow you to install applications directly on the microSD, but remember: after formatting, all data from the card will be deleted.

First Entry and Basic Configuration: Step-by-step Instructions

Now, to the most important thing, the first switch on, follow the instructions carefully, because some parameters (e.g. region) will be difficult to change without resetting:

1. Press and hold the power button for 3-5 seconds until the Redmi logo appears.
2. Choose a language – we recommend Russian (Russia), even if you live in another country, this will ensure the correct work of voice assistant and translations in applications.
3. Connect to Wi-Fi. Use your home network, not your mobile Internet, so updates and syncs will go faster. If Wi-Fi is not available, skip this step and return to it later in Settings → Wi-Fi.
4. Accept the terms of use. Please note the diagnostic data collection clause, which can be turned off by unchecking the box.
5. Sign in to your Mi Account or create a new one. Without that, you can't use Mi Cloud, the store for those and some system features, and if you already have an account on another Xiaomi device, you can transfer the data.

At the stage of setting up Mi Account, the system may suggest linking a phone number or email. Do this by all means – this is the only way to restore access to your account if you forget your password. We also recommend enabling two-factor authentication (the option will appear after you log in to your account).

Are your contacts synchronized with Google or Mi Cloud?

The latest update to MIUI has been installed

Does the geolocation definition work (turn on GPS in the curtain)

Connected notifications for important applications-->

MIUI Update: Why You Should Do It First

Xiaomi Redmi 9T comes with factory firmware, which often becomes obsolete by the time of purchase.

• 🛡️ Closing security vulnerabilities in older versions MIUI There may be gaps that allow attackers to access data.
• ⚡ Performance optimization – new firmware versions contain fixes for lags and overheating.
• 📱 Adding new features, such as improved power saving mode or navigation gestures.

To update MIUI:

1. Go to Settings → About the phone → System update.
2. Click Check Updates. If a new version is available, download it (we recommend using Wi-Fi).
3. After download, click Set and wait for the restart. Don't interrupt the process!

⚠️ Warning: If the phone is slowing after the update, reset the cache in recovery mode. To do this, turn off the device, then press the power button. + Volume up, select Wipe Cache and restart.

Check the version of MIUI after the update in Settings → About Phone. Current for 2026 is MIUI 14 (based on Android 12). If your version is lower, repeat checking the updates or install the firmware manually through the Mi Flash Tool (you can find the instructions on the official Xiaomi forum).

Security settings: how to protect data and prevent theft

Xiaomi Redmi 9T offers several layers of protection, but by default many features are disabled.

• 🔒 Screen lock: In addition to the pin code, add a fingerprint (Settings) → Passwords and security → Fingerprint.At Redmi. 9T sensor is located on the back panel - when registering, apply your finger at different angles.
• 📍 Protection against theft: activate the settings → Passwords and security → Find the device, which allows you to remotely lock the phone or erase the data if it gets lost.
• 🛡️ Application authorizations: in MIUI 14 many applications request access to contacts, camera and geolocation. → Confidentiality → Permits and disable unnecessary.

Pay special attention to setting up Google Play Protect, Google's built-in antivirus, to enable it:

1. Open the Google Play Store.
2. Click on the profile icon in the upper right corner.
3. Choose Play Protect → Settings.
4. Activate the Scan Apps and Improve Malware Detection options.

If you frequently connect to public Wi-Fi (cafes, airports), turn on VPN. Redmi 9T does not have a built-in VPN, but you can install free solutions like ProtonVPN or Windscribe from Google Play, which will protect your traffic from interception.

💡

Back up your Redmi 9T's IMEI. Enter *#06# in your phone number and save the numbers that you see, which will help restore network access if the IMEI is accidentally erased.

Battery Optimization: How to Extend Your Life to 2-3 Days

The 6,000mAh battery is one of the main benefits of the Redmi 9T. When set up properly, the phone can last up to 3 days in moderate use.

We also recommend that you turn off auto-launch applications in the background.

1. Go to Settings → Applications → Application Management.
2. Select an app (like Facebook or Instagram).
3. Press Autostart and turn off the option.

If you notice that the battery discharges quickly even after optimization, check the charge consumption by applications in Settings → Battery → Battery Use. Often the culprits are messengers or games running in the background.

💡

Shutdown 5G (If you don’t use it, you can save up to 20% Go to the settings. → SIM-maps and mobile networks → Preferred type of network and select 4G/3G/2G.

Hidden MIUI features: what Redmi 9T can do, but does not advertise

Xiaomi is known for hiding useful features deep in the settings, and here are some of the things that will come in handy in everyday use:

• 🎵 Double tap to wake up: Twice tap the screen turned off to wake up the phone. → Display. → Double touch to wake up.
• 📸 Quick camera start: double-press the power button to open the camera even if the screen is locked. → Buttons and gestures → Quick camera launch.
• 🔊 Amplify the sound in the headphones: activate Settings → Sound. → Headphone amplifier for louder playback.
• 🔄 App cloning: Create a second account on WhatsApp, Telegram or games. option hidden in Settings → Annexes → Cloning of applications.

Another useful feature is Do Not Disturb mode, with exceptions, such as setting calls from favorite contacts to go even in silent mode:

1. Go to Settings → Sound → Do not disturb.
2. Turn on the mode and press the Exceptions.
3. Add contacts or apps that can break the silence.

For customization enthusiasts, Redmi 9T can change system fonts and animations, download themes from the Mi Theme Store (preinstalled) or install third-party launchers like Nova Launcher.

Camera setup: how to make a better photo without professional skills

The camera in Redmi 9T is not a flagship camera, but when set up correctly, it can deliver decent images. The main module is 48 MP (with binning up to 12 MP), plus ultra-wide, macro and depth sensor.

• 📸 Enable 48 MP mode in the camera settings (cog icon) → This will increase the detail, but the files will weigh more.
• 🌄 Use the Mode. HDR It's automatic, but you can lock it manually.
• 🌙 Night mode is activated automatically in the dark, but it can be turned on forcibly by clicking on the moon icon.
• 🎥 Video Stabilization: In camera settings, enable Ultrasonic Stabilization for smooth shooting.

To capture documents or text, use Document Mode (available in additional camera modes) which automatically aligns perspective and improves clarity. QR-code, do not install third-party scanners – the standard camera has a built-in recognition function QR (just point the lens).

⚠️ Attention: Macro lens in Redmi 9T It has a fixed focus and only works 2 to 4 cm from the object. Don't try to shoot it from afar, the photos will be blurry.

If the camera is slowing down, clear its cache in Settings → Apps → Camera → Storage → Clear the cache. Also check if the phone is overheating – at temperatures above 45 ° C, the camera automatically reduces performance.

FAQ: answers to frequent questions about Xiaomi Redmi 9T