How to set up a regime 4P Xiaomi devices: from theory to practice

Regime. 4P (Picture Performance Processing in Xiaomi devices is an advanced image processing technology that combines the 4K-permission, increased staffing frequency (MEMC 120 Hz), extended colour scheme (HDR10+/Dolby Vision) and intelligent content optimization. However, many users face problems when activating it: the image may become too bright, artifacts appear or the device simply “does not see” this mode in the settings.

In this article, we will not only discuss how to include 4P on Mi TVs TV, Redmi Smart TV And Xiaomi projectors, but also how to fine-tune it to different types of content, from movies to games. 4P, How to avoid common errors (such as switching to a computer) SDR viewing HDR-content) and what to do if the mode is not activated at all.

What is it? 4P Xiaomi and why you need it

Technology 4P — This is a proprietary development of Xiaomi, which debuted in the TV series Mi TV Q2 (2021 and later appeared in Redmi Smart models TV X, Mi TV A Pro and projectors Xiaomi Cinema 2. 4K HDR, regime 4P add:

• 🔍 Dynamic zone-adjusted backlighting (up to 192 zones in premium models) to improve contrast in dark scenes.
• 🎮 Automatic switch to game mode with support ALLM (Auto Low Latency Mode for consoles PS5/Xbox Series X.
• 🌈 Extended color palette to 94% DCI-P3 (against ~70% in baseline mode).
• ⚡ Optimization of movement (MEM120Hz for smooth video, including content with 24p (cinema).

But there's a nuance: 4P It only works when connected through HDMI 2.1 (Ports are usually marked on the back of the TV). HDMI 2.0 or older, the mode will not be available even if it is included in the menu. 4P) Can be blocked when activating the Game Mode.

⚠️ Note: On Xiaomi 2020 TVs and older (e.g. Mi) TV 4S) regime 4P It's not physically present. 4K HDR — It's different technologies!

Preparation of the device for setting 4P

Before activating. 4P, Make sure your device meets the minimum requirements:

If your device meets the requirements, follow the preliminary steps:

Check the firmware version in Settings → About TV

Connect the signal source to the port HDMI 2.1 (usually port) №1 №2)

Make sure the cable HDMI maintains capacity ≥18 Gbps

Disable energy saving mode in Settings → Energy consumption-->

Pay special attention to the cable. HDMI. Even if the port on the TV supports HDMI 2.1, cheap cables can limit bandwidth. The best option is certified Ultra High Speed cables. HDMI (For example, Belkin UltraHD or Amazon Basics 8K).

Game console (PS5/Xbox)

Media Player (Apple TV, Nvidia Shield)

computer or laptop

Television set-top box (from provider)

Other-->

Step-by-step instruction for inclusion 4P

Activation of the regime 4P It consists of two steps: turn on the TV settings and adjust the signal source (for example, a game console.

Step 1: Inclusion 4P on Xiaomi TV

1. Open Settings. → Image: → Image modes.

2. Select a paragraph 4P Mode (in some firmwares may be called Picture Performance or Enhanced) 4K).

3. Activate the switch. If the option is inactive, check:

• 🔌 Is the source connected to the port? HDMI 2.1.
• 📺 Is the TV model compatible (see table above).
• 🔄 Reboot the TV after connecting a new device.

4. After activation, select the submode:

• 🎬 Cinema – for movies (Dolby Vision).
• 🎮 Game for games (ALLM, VRR, if maintained).
• 🖥️ PC — for computers (disables motion processing).

Step 2: Configure the signal source

For game consoles:

1. Nana PS5: Go to Settings. → Screen and video → Video output → Permission and select 2160p (4K). Turn on 120Hz if supported.
2. Xbox Series X: Settings → General. → TV and display settings → Video modes → activate 4K UHD Dolby Vision and.

For computers:

• 🖥️ In Windows: Options → System system → Display. → Additional display parameters → set up 3840 × 2160 upon 60 Hz (or) 120 Hz, if maintained).
• 🐧 In Linux: Use the command: xrandr --output HDMI-1 --mode 3840x2160 --rate 60

⚠️ Note: If after activation 4P The image begins to "shimmer" or stripes appear, try to turn off HDMI-CEC in the settings of the TV (Settings) → System system → Management HDMI). This feature sometimes conflicts with advanced video modes.

Fine setting of parameters 4P

Turn on 4P — That's only half the story. Optimal image quality requires custom calibration for your content.

1. Brightness and contrast

In mode. 4P Xiaomi TVs are overblown by default, which causes light areas to "clipping" (recommended values:

• 🌞 Brightness: 45-55 (for HDR), 35-45 (for) SDR).
• 📊 Contrast: 85-95 (depending on model).
• 🌈 Saturation: 50 (standard for DCI-P3).

For fine-tuning, use test templates (e.g., from the Disney package) WOW Or Spears & Munsil. Include a template. PLUGE (below black) and adjust the brightness until all shades of gray are distinguishable.

2. Traffic processing (MEMS)

Technology MEMMotion Estimation (Motion Compensation) 4P It can both improve smoothness and spoil the image with a soap effect:

• 🎬 For the movie (24p): turn off MEMC or set Low.
• 🏈 For sports: turn on MEMC on Medium.
• 🎮 For games: turn off MEMC (increases input lag).

In some models, the Mi TV Q2 75") has a hidden parameter. MEMWith Tuning, which allows you to customize the sensitivity of the processing, to activate it:

1. Go to Settings. → Image: → Additional settings.
2. Press sequentially on the remote: Menu → 1 → 9 → 6 → 9 (code may differ).
3. There will be a Service Menu menu where you can adjust. MEMC Strength (values 0 to 100).

3. Color temperature and gamma

By default, 4P The color temperature of Warm is used (6500K), but HDR-You can choose Normal or Cool (depending on your preferences:

• 📉 Gamma 2.2 - standard for SDR-content.
• 📈 Gamma 2.4 - optimal for HDR (deeper shadows).

To calibrate, use test images with gray gradients. If dark areas merge into black, reduce the gamut. If the picture looks flat, zoom in.

💡

If your model doesn’t have a manual gamma setting, try turning on Filmmaker Mode (available in Mi). TV A Pro) It automatically sets the 2.4 gamut and disables unnecessary processing.

Common Problems and Their Solutions

Even after you set it up properly, users are still getting bugs. TOP-5 problems and ways of eliminating them:

If the problem is not solved, try resetting the image settings to factory:

1. Go to Settings → Image → Reset settings.
2. Select Reset only image settings (does not affect other settings).
3. Reset your mind. 4P zero.

💡

If after discharge 4P It doesn't work anyway, check the firmware version. MIUI TV (up to 3.5) 4P It could be disabled at the system level. Update the TV through Settings. → Update of the PO.

4P For games: how to reduce the input delay

For gamers, the regime 4P — a double-edged stick: on the one hand, it offers a better picture, on the other hand, it can increase input lag (entry delay) to 30-70 ms:

1. Enable Game Mode: Go to Settings → Image: → Image modes → Game, activate. ALLM (Auto Low Latency Mode).
2. Turn off image processing: Turn off MEMC, Noise Reduction and Sharpness. Set Color Temperature on Normal.
3. Set up the signal source: PS5: Turn on Performance Mode in the game settings. On Xbox: activate 120Hz and VRR (if maintained).

To check the input delay, use the test HDMI Input Lag Test (available on DisplayLag) Optimal value for games — <20 If the delay is higher, try it:

• 🔌 Connect the console directly to the TV (without a receiver).
• 🔄 Reboot the TV and console.
• 📺 Set the regimen on PC Mode in settings HDMI-port.

Comparison 4P with other modes: which is better?

To understand whether it is worth using 4P, Compare it to other popular modes on Xiaomi TVs:

Conclusion:

• 🎬 Dolby Vision (more natural colors).
• 🎮 It's perfect for games. 4P + Game Mode (balance of quality and responsiveness).
• 📺 For normal TV, it is enough. HDR10+ (less processor load).

If your TV supports Dolby Vision, and 4P simultaneously (e.g., Mi) TV Q2 2023, try the Dolby Vision combination + 4P Cinema will give the maximum quality for movies.

FAQ: Frequent questions about setting up 4P