Xiaomi Redmi: How to Choose, Set Up and Fix – The Complete Guide to 2026

Xiaomi Redmi smartphones have long been synonymous with price-quality ratio in the mobile market. These gadgets attract users with powerful characteristics, modern cameras and a branded shell. MIUI — But it's not always clear how to unlock their potential 100 percent. In this article, we'll look at everything you need to know about the Redmi lineup, from model selection to fine-tuning and solving typical problems.

Are you just planning a purchase or are already experiencing slowdowns after the upgrade? Maybe the battery runs out too fast and the camera takes worse pictures than in advertising? We have gathered expert advice to help avoid common mistakes. MIUI 14 that are not in the official documentation Xiaomi.

How to choose a smartphone Xiaomi Redmi: comparison of models 2023-2026

Redmi's lineup is divided into several series, each focused on different tasks, such as the Redmi Note is a balance of performance and price, and the Redmi K (or POCO In some regions, they're aimed at gamers, and to make sure you're not mistaken, we'll compare the key models:

Pay attention to the processor: if you want games at high settings, choose models with Snapdragon 8+ Gen 1 or Dimensity 9000+. Helio is also sufficient for everyday tasks. G99. Here. IP54 (Splash protection only appeared in the Redmi Note 13 Pro – older models are afraid of water.

Another criterion is software updates. Xiaomi promises 3 years of updates MIUI 4 years of security patches for flagships (K series), but budget models (Redmi A) only get 1 major update!

Xiaomi Redmi’s First Setting: What to Turn Off and On Immediately After Buying

Xiaomi’s new Redmi smartphone is literally littered with pre-installed services and advertising, so that the system works faster and does not leak data, follow these steps:

• 🔧 Turn off personalized advertising: Settings → Google → Advertising → Disable personalization
• 📱 Remove unnecessary apps: Settings → Annexes → Delete (not everything can be deleted, but part is exactly)
• 🔄 Enable Auto Security Update: Settings → The phone. → Updating the system → Settings (⚙) → Auto-update
• 📶 Switch to the switch. 4G/5G Instead of Automatic Mode: Settings → SIM-maps and mobile networks → Preferred type of network

Pay special attention to application permissions. Many programs (including system ones) request geolocation, microphone, and camera access for no reason. → Confidentiality → Permits and revoke unnecessary rights.

Keep in mind the dark theme and the reading mode, which reduces eye strain and saves battery power. If you want to go further, activate Developer Mode (7 times tap the version). MIUI at the Settings → About the phone) and turn on the animation windows ×0.5 to speed up the interface.

⚠️ Warning: Do not disable system applications through adb or root rights unless you are sure of their purpose.This may result in loss of functionality (for example, stop working). NFC quick-charging).

Secrets. MIUI: hidden functions that you didn’t know about

Shell MIUI It hides dozens of useful things that are not obvious at first sight:

• 🎵 Double touch to wake up: turn on Settings → Display. → Awakening and locking the screen → Double-touch. No more pressing the power button!
• 📸 Professional Camera Mode: Swipe up in the Camera app - manual settings will appear ISO, white balance and exposure.
• 🔋 Ultrasonic proximity sensor: in some models (e.g. Redmi) K60) It works even through the windows of the covers. → Lock screen → Approximation sensor.
• 📲 App cloning: You can create a second account on WhatsApp or Telegram without a multi-account. → Annexes → Cloning of applications.

Another feature is the “Second Space” mode (Settings) → Special facilities → Second space. This is a separate desktop with other apps, wallpapers and settings, useful if you're sharing a phone with someone or want to hide personal data.

Did you know that Redmi has a built-in FM-To activate it, plug your headphones (they act as an antenna) and find the Radio app on the menu!

Battery Optimization: How to Extend the Life of Xiaomi Redmi Battery

Battery is a weak point for many smartphones, and Redmi is no exception: the average battery life is 2-3 years, but with proper care, it can be extended.

• 🔌 Charging up to 80%: If you don't plan to go without a power outlet for a long time, keep the charge in the range of 20-80.
• ⚡ Turn off fast charging at night: High currents heat the battery. → Battery → Charging settings can limit power.
• 🌡️ Avoid overheating: Do not play heavy games while charging and do not leave your phone in the sun.
• 🔄 Calibration of the battery: once every 3 months, discharge the phone to 0% and charge up to 100% without interruptions.

V MIUI 14 appeared mode "Ultrasonic battery" (Settings) → Battery → It analyzes the user's habits and optimizes energy consumption. For example, if you normally sleep between 12 and 8 a.m., the system will save charge at that time.

⚠️ Warning: If the battery is swollen or the phone suddenly shuts down with 30-40% charge, replace the battery immediately. These are signs of degradation that can lead to fire (especially when using unoriginal chargers).

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To check the battery status, type ##4636## in the dialer and select Battery Information. Health should be Good.

Solving typical Xiaomi Redmi problems: lags, overheating, errors

Even the most reliable smartphones sometimes get bugged, and here are Redmi's most common problems and ways to fix them:

1.The phone brakes or spontaneously reboots

Reasons:

• 🗑️ Full memory (less than 10% of free space).
• 🤖 Failure to work MIUI (especially after updating).
• 🔥 CPU overheating (often in Redmi K due to powerful chip).

Decisions:

• Clear the cache: Settings → Storage → Clear the cache.
• Reset the settings to factory (don’t forget to make a backup!).
• Turn off animation: Settings → For developers → Animation. ×0.5.

2. Wi-Fi or mobile network is not working

Often the problem lies in the settings of the network:

• 📶 Switch the network mode to Only LTE (if 5G needless).
• 🔄 Reset network settings: Settings → SIM-maps and networks → Resetting network settings.
• 📡 Update. IMEI (If you lost your firmware: you need Engineer Mode (code #36446337##).

3.The camera takes blurry pictures

The problem can be both in software optimization and in hardware:

• 📷 Turn it off. HDR manually (sometimes it ruins quality).
• 🧹 Clean the lens with a soft cloth (dust and fingerprints affect focus).
• 🔧 Update the camera firmware through Settings → The phone. → Updating the system.

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If your phone overheats during games, try limiting the amount of time you play. FPS In the game's graphics settings, or use a cooling case, as a last resort, lower the screen resolution to 720p In Settings → Display. → Screen resolution.

How to flash Xiaomi Redmi: step-by-step instructions for beginners

You may need firmware if your phone is unstable or you want to install custom firmware (like LineageOS), but remember that doing the wrong thing will lead to a "brick" (completely inoperable) of the device.

Official method (through MIUI Recovery):

1. Download the firmware for your model from en.miui.com (choose Stable, not Developer).
2. Rename the file to update.zip and place it in the root of the phone’s memory.
3. Go to Settings. → The phone. → Updating the system → Three points (⋮) → Select a firmware file.
4. Confirm the installation and wait for the restart (don’t interrupt the process!).

For experienced users: firmware via Fastboot (you need a PC and unlocked bootloader):

fastboot flash boot boot.img


fastboot flash system system.img




fastboot reboot

⚠️ Attention: Fastboot oem unlock erases all data from your phone! Xiaomi also requires you to link your account to your device and wait 7 days after you request to unlock.

Xiaomi Redmi repair: what can be repaired yourself and what can not be repaired

Many Redmi breakdowns can be repaired at home, but some require specialized equipment.

• 🔧 Battery replacement: Most models have a battery glued to it, but you can gently tamper with a plastic blade.
• 📱 Display replacement: Redmi screens are usually mounted on double-sided tape. T3/T4, hair dryer.
• 🔊 Speaker/microphone cleaning: dust and dirt often cause a quiet sound. Use a toothpick or compressed air.
• 📶 Replacement of antenna module: If the network is not catching, the problem may be in the antenna plume (especially after falls).

What is not recommended to do yourself:

• ⚠️ Replacement of the motherboard (needs soldering hair dryer and experience).
• ⚠️ Camera repair (risk of damaging the lens or plume).
• ⚠️ Recovery from the Brick (programmer and knowledge required) EDL).

Cost of repair in the service center:

If you decide to repair yourself, buy original parts (for example, on AliExpress in official Xiaomi stores). Cheap counterparts often fail after a couple of months.

FAQ: Frequent questions about Xiaomi Redmi