How to set up Xiaomi Poco X3 Pro: From basic parameters to hidden chips

Xiaomi Poco X3 Pro remains one of the most popular smartphones in the lineup POCO It's a combination of powerful iron (Qualcomm Snapdragon 860) and affordable price, but out of the box, it's not working at full capacity. MIUI Optimized for the average user, not gamers or thin customizers. This article will help unlock the potential of your Poco X3 Pro – from basic configuration after purchase to hidden features, which are silent official documentation.

We're not going to limit ourselves to standard tips like "turn on a dark topic." Instead, you'll learn how to:

• 🔧 Disable unnecessary system processes that eat up to 15% of battery life per day
• 🎮 Activate Game Turbo mode for maximum FPS in games (including unofficial settings)
• 📸 Set up a camera to shoot in RAW Manual control of shutter speed (hidden function) MIUI)
• 🚀 Overclock the processor without root rights (legal method through the engineering menu)

All instructions are tested on MIUI 14 (Android 12/13) and relevant to Poco models X3 Pro 6/128 GB and 8/256 If you have a different version of the firmware, check the compatibility of the commands in the section "Verification of the version" MIUI".

1.First Including: What to Do in the First 10 Minutes

When you first switch on Poco X3 Pro, the system offers a standard setup procedure. Don't miss this stage, because your actions will determine the further stability of the work and the absence of lags.

Here's what you have to do:

• 🔄 Update your firmware to the latest version through Settings → The phone. → Update the system. Even if the device was new, it could have been in storage with outdated firmware.
• 🔒 Set up the unlock: print + PIN-code (do not use a pattern lock, it is less reliable) for a fingerprint, add both index fingers (right and left).
• ☁️ Sign in to Mi-account, but turn off synchronization of contacts and notes (they duplicate Google services and create an extra load).
• 📡 Select the network mode: if you have 5G-Tarplane, turn on Settings. → SIM-maps and mobile networks → Preferred type of network → 5G.

What not to do in the first phase:

• ❌ Install all the offered applications from the Mi App Store (many of them are Bloatware).
• ❌ Enable Smart Lock in the lock screen settings (it eats up to 5% charge per day).
• ❌ Activate Mispace (duplicates Google Discover features, but runs slower).

2. Performance optimization: how to remove lags and speed up work

Poco X3 The Pro on the Snapdragon 860 should run fast, but many users complain about slowing down. MIUI, Those who are aggressively consuming resources. Here's how to fix it:

Step 1: Turn off auto-run of unnecessary applications:

1. Go to Settings → Applications → Application Management → Autorun.
2. Turn off auto-run for all applications except instant messengers and system services (e.g. Google Play Services).
3. Manually add to the blacklist: Mi Video, Mi Music, Mi Browser, Cleaner.

Step 2: Activate the performance mode:

• 🔋 Turn on the settings. → Battery. → Performance mode (not to be confused with "Battery"!).
• 🎯 B Settings → Special facilities → Overclock select High Performance (will appear after reboot).

Step 3: Clear the cache of system applications:

Settings → Applications → Application Management → (three points) → Show system → Select:


- System UI




- Launcher




- Security




→ Clear cache and data (cache only!)

💡

If after cleaning the cache launcher began to slow down, restart the phone — MIUI Restore the required files automatically.

Step 4: Turn off animation (for advanced users):

This will speed up the opening of applications to 20-30%. Enable Developer Mode (7 once you tap the version MIUI in the phone settings, then:

Settings → Additional → For developers → The speed of animation:


- Scale of window animation: Disable




- Scope of transition animation: Disable




- Duration of animation: 0.5x

Battery setup: how to extend the operating time to 2 days

Poco X3 Pro is equipped with a battery on 5160 mAh, but by default MIUI The following settings will help to increase the operating time to 40-48 hours with moderate use:

1. Optimize background activity:

• 🔌 Go to Settings. → Battery. → Battery consumption management.
• 📉 For all applications except instant messengers, select Limit background activity.
• 🚫 In the Exceptions section, disable Autosynchronization and Device Search.

2. Set up the energy saving mode:

3. Disable unnecessary sensors:

MIUI He's constantly questioning the sensors, even when they're not needed, to fix it:

Settings → Special features → Sensors → Disable:


- Approximation sensor (if you do not use a smart vertebrae)




Gyroscope (unless you play VR- games)




Light sensor (if the brightness is fixed)

💡

The most effective way to save charge is to turn off mobile data for background applications. → SIM-map → Transfer of data → Background gear.

⚠️ Note: If you are using Poco X3 Pro for geolocation tasks (such as taxis or trackers), do not turn off GPS In the battery settings. Instead, turn on Device Only mode in Settings. → Location → Regime.

4. Thin camera setup: RAW, manual modes and hidden functions

Poco camera X3 Pro (48 MP) + 8 MP + 2 MPs + 2 MP) is capable of more than it seems. MIUI It hides professional settings, but they can be activated.

1. Put the footage in. RAW:

1. Open the Camera app.
2. Tap on. ⚙️ → Additionally. → Image format.
3. Choose. RAW + JPEG (Files will weigh more, but give you flexibility in post-processing).

2. Activate manual settings:

• 📸 In Professional mode, hold the screen with your finger for 2 seconds - a slider for manual focusing will appear.
• ⚡ To unlock shutter speeds up to 32 seconds, go to Camera Settings → Additionally. → Exposure time and select Long Exposure time.
• 🎞️ For video, turn on the Log Profile in the same settings – this will expand the dynamic range.

3. Use GCam (Google Camera):

Stock camera. MIUI It's a little bit less than Google Camera. Install a modified version:

1. Download. APK Snapdragon 860 from the forum XDA Developers (for example, the version from the BSG Wichaya).
2. Install the file by allowing installation from unknown sources.
3. In the GCam settings, turn on: - HDR+ Enhanced - Night Sight for the front camera - AWB (white balance car) on 2800K warm-colored

💡

For better results in GCam, turn off MIUI-camera in the application settings (do not delete, but only "disable").

5. Hidden functions MIUI: Poco can do that. X3 Pro, but not publicizing.

MIUI It hides a lot of useful features that are not dokumented in the official guides:

1.Second Space mode (second desktop):

It allows you to create a separate profile with other apps and settings (useful for work or privacy) and activates as follows:

Settings → Special features → Second Space →

🔹 Important: The second profile takes up to 5 GB of memory and is not synchronized with the main one.

2. Engineering menu for fine-tuning the network:

Through the engineering menu, you can manually select frequencies 4G/5G Or shut down unstable bands to open it:

Please enter the phone app ##4636##


→ Phone information → Set preferred network type

🔹 For Poco. X3 Pro optimal settings:

• 📶 LTE only if 5G not needed (savings charge)
• 📡 NR/LTE/WCDMA — if necessary 5G, but with a fall on 4G low-signal

3.Quick Ball gestures:

A virtual button that replaces the navigation bar and gives you quick access to functions.

Settings → Additional → Quick Ball

🔹 Set up gestures for:

• 🔄 Quick switching between applications
• 📱 Screenshot of a long page
• 🔍 Screen search (OCR)

Hidden mode "Lite Mode":

A simplified interface for older people or resource saving, enabled by:

Settings → Screen → Lite Mode

🔹 In this mode, all animations, background processes and unnecessary widgets are turned off.

Overclocking and overclocking: Legal ways to speed up the processor

Snapdragon 860 POCO X3 Pro can be overclocked without root rights using hidden settings MIUI. This will increase productivity to 15-20% game-mark.

Method 1: Activate the "Performance Mode" through ADB:

1. Install. ADB Tools on PC (download from the official Android website).
2. Connect your phone via USB (enable USB debugging in the developer settings).
3. Enter the command: adb shell setprop persist.sys.miui.perf_mode 1
4. Reset the device.

Method 2: Overclocking through the engineering menu (without PC):

1. Open the engineering menu: ##36446337##
2. Go to Hardware Testing → CPU.
3. Select Performance Governor and set performance (instead of ondemand).
4. In the section CPU Frequency increase the maximum frequency to 2960 MHz (default: 2800 MHz).

💡

Acceleration increases heat output. If the phone starts to overheat (above 45)°C), return the standard settings or use a cooling stand.

⚠️ Note: When overclocking through the Poco engineering menu X3 Pro can automatically reset settings after update MIUI. Check the parameters after each update.

Method 3: Optimization GPU (gamer):

To increase FPS in games (for example, in Call of Duty Mobile or in the PUBG) turn on the forced GPU rendering:

Settings → Additional → For developers → Forced display of the GPU

🔹 Also on this menu, turn on:

• 🎮 Shut down. HW-Overlays (reduces lags in games)
• 🖥️ GPU-rendering 4x MSAA (better graphics, but more load)

7. Sound tuning: how to get high-quality sound in headphones

Poco X3 The Pro has stereo speakers, but the default sound leaves much to be desired. Here's how to improve audio:

1. Turn on a uniform sound (Equalizer):

Settings → Sound → Uniform sound → Select Preset “Bas” or “Rock”

🔹 For headphones, set up manually:

• 🎵 60 Hz: +3 dB (bass)
• 🎵 230 Hz: +2 dB (medium)
• 🎵 14 kHz: +1 dB (upper)

2. Activate Hi-Res Audio:

MIUI Supports high-resolution sound reproduction (up to) 24 bit/192 kHz), but the function is disabled by default:

Settings → Additional → Full settings → Sound → Sound Quality → Hi-Res

3. Set up the microphone for streams:

If you are broadcasting live or recording podcasts, turn on noise cancellation:

Settings → Sound → Improve the sound of the microphone → Enable

🔹 For the best results, use an external microphone through the USB-C (phone USB Audio Class 2.0).

8 Security: How to protect data and prevent hacking

Poco X3 Pro on MIUI vulnerable to some attacks due to firmware features, the following settings will help to increase protection:

1. disable unnecessary permissions for system applications:

• 🔒 Go to Settings. → Annexes → Permits.
• 📱 For Mi Browser, Cleaner and Security, disable access to: - Contacts - Location - Microphone - Camera

2. Enable the device encryption:

MIUI It supports full disk encryption, but it's disabled by default:

Settings → About phone → Protection and lock → Encryption → Encrypt phone

🔹 Important: Before encryption, charge your phone to 80% And plug it into the charger. 30-60 minute.

3. Set up phishing protection:

MIUI It has a built-in scanner for fraudulent sites, but it only works in Mi Browser:

Settings → Google → Security → Web Security → Enable

4. disable data transfer in the background for suspicious applications:

Many Chinese apps (such as Mi Community or Themes) transfer data to Xiaomi servers to limit this to:

Settings → SIM- map → Data Transfer → Background transmission → Disable for unnecessary applications

💡

Regularly check the list of applications with administrator rights in Settings → Passwords and security → Administrator privileges, remove suspicious programs.

⚠️ Note: If you are using Poco X3 Pro for banking applications, disable Mi Cloud Sync and Remote Access in Xiaomi account settings, which may conflict with bank security systems.

FAQ: Frequent questions about setting up Poco X3 Pro