How to Increase Time on Xiaomi Lock Screen: The Complete Guide

Modern Xiaomi, Redmi and POCO smartphones have gorgeous AMOLED and IPS arrays that delight the eye with bright colors. However, many users face a situation where the screen goes out too quickly, not allowing them to read the notification or consider the time. This is especially annoying when you hold the phone in your hands, but the system has already turned off the display for the sake of energy savings.

The problem lies in the aggressive energy saving policies of the MIUI shell or the new HyperOS. By default, manufacturers set a short interval — often as little as 15 or 30 seconds. Fortunately, Android provides flexible tools to change this setting, allowing you to adapt the behavior of the gadget to your personal habits.

In this article, we will take a closer look at all the ways you can extend the life of your lock screen, not only the standard settings that you can see right away, but also the hidden engineering menus, and how to avoid the rapid burnout of the matrix during prolonged glow.

Standard timeout settings in MIUI and HyperOS

The first and most obvious step is to check the basic parameters of the system. In most cases, the standard functionality is quite enough for comfortable use. To find the right option, you need to follow the path: Settings → Screen and brightness → Sleeping Mode. This is where the slider or time slot list is located.

Usually, the system offers a choice of fixed values: 15 seconds, 30 seconds, 1 minute, 2 minutes, etc. Up to 10 minutes. The choice of a value "Never" or "No Limits" may not be available on all models, since this directly affects the battery life. If you choose the maximum value, but the screen still goes out ahead of time, other system restrictions may interfere.

⚠️ Note: Maximum latency (10 minutes) on devices with AMOLED-screens can lead to uneven burnout of pixels, if the screen for a long time statically displays the same interface element.

It’s worth noting that newer versions of firmware may have different logic, such as in HyperOS, AI algorithms can analyze your actions and adjust the time before you shut down if the proximity sensor thinks your phone is in your pocket or bag.

Advanced settings through the “Security” app

In the Xiaomi ecosystem, there is a separate system application that manages many hidden and semi-hidden functions, a standard Security app that is pre-installed on each device, often duplicated with display settings, but in a more detailed form.

Go to the app, click on the three dots in the top right corner, and select Settings. In some versions of the shell, you can find "Packbox Mode" or "Blocking Management." While there may not be a direct time setting here, this is often where conflicting features that force the screen to go out.

• 🔍 Check the Battery section inside the security app – there may be an active Hard Savings mode that ignores your screen settings.
• 🔍 Make sure that the “Auto-Brightness” function is not enabled in aggressive mode, which may mistakenly make a decision to dim and disable.
• 🔍 In the Notifications section, check if the ban on displaying content on a locked screen is worth it, which visually can be perceived as a quick quenching.

There's also a "Second Space" feature in the Security app, and if you're using this mode, the settings on the screen may be different from the main profile, and check the settings in both spaces to make sure the settings are consistent.

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If standard settings are not saved after the reboot, try clearing the Security app cache through the App Management menu.

Engineering menus and hidden codes for diagnostics

For advanced users who don't find the answer in the regular menus, there is an access to the engineering menu, a powerful diagnostic tool that allows test components, including light and proximity sensors, that directly affect the performance of the screen.

To get there, open the Phone app and enter the code ##6484##. The CIT menu will open before you, where you can test the proximity sensor, and if the sensor is contaminated or malfunctioning, it can send a false signal to the system that the phone is near the ear or in the dark, causing the screen to go out instantly.

Verification procedure:


1 Enter the code ##6484##




2. Find the item "Proximity Sensor"




3. Close the top of the screen with your hand and remove it




4. Values should be changed from 5.0 to 0.0 (or vice versa)

If the values don't change or "jump", the problem can be physical, in which case the software increase the lock time will not help - the screen will go out due to a sensor error. Also in the engineering menu you can find the Version item, which indicates the exact type of your matrix and the version of the drivers, which is useful when searching for bugs on the Internet.

⚠️ Warning: Do not change the values in the engineering menu unless you are sure of their purpose. resetting the sensor calibration can lead to incorrect operation of autobrightness throughout the system.

The influence of Always On Display and live wallpaper

The Always On Display feature often conflicts with the user's desire to keep the screen locked but active. On AMOLED devices, this technology works differently than on IPS. If you have AOD enabled, the system can assume that "the screen is already working" and apply tighter limits to the main lock image.

Try changing your AOD settings. Go to Settings → Screen and Brightness → Always On Display. If you have a Schedule or 10 seconds after touch mode, it can create the illusion of quick quenching. Switching to Always Mode (with battery caution) or turning off the feature completely will help you understand if it is the cause.

Live wallpaper and design themes deserve special attention. Heavy animated themes downloaded from Themes store can consume more resources and provoke the system to turn off the display early to prevent the processor from overheating. Standard static wallpapers do not have this drawback.

Third-party screen management applications

If system restrictions are not enough and you need to ensure that the screen never goes out (for example, to use a smartphone as a desktop clock or a smart home panel), applications from Google Play will come to the rescue.

A popular solution is Keep Screen On, or something like that, which runs on top of the system and keeps the power controller from going to sleep, but it requires special permissions to use it.

• 📱 The app requires the right to “Display over other apps).
• 📱 Battery discharge in the background is required, otherwise the system will kill the process.
• 📱 Newer versions of Android may require access to special features (Accessibility).

Using third-party software has its own risks. Aggressive MIUI antivirus may view keeping the screen on as malicious activity, in which case you should add the application to exceptions (“Security” → “Permissions” → “Autostart” and “Background”).

Problems with sensors and protective film

Often the reason for the quick screen quenching is not software settings, but simple physics. The top of the smartphone is equipped with a light sensor and a proximity sensor, and if they are closed, the system "thinks" that the phone is in a dark pocket, and the screen is extinguished.

Poor quality protective glass or improperly pasted film can overlap these sensors, especially in models with a cut-out droplet or a bang, where the sensors are located in a narrow strip, even microscopic dust or a greasy spot in the area of a dynamic conversational speaker can cause failure.

Do a thorough cleaning of the top of the device, use a microfiber and a little alcohol-containing solution, if you've recently changed the protective glass, try removing it and checking the behavior of the screen, and in some cases even simply wiping with a dry cloth helps.

⚠️ Note: Do not use aggressive chemicals or abrasives when cleaning the sensor area, as this can damage the oleophobic coating and the sensor elements themselves.

Relationship between the energy saving mode and the screen

You can't ignore the effect of power on display behavior. When you activate Power Saving (yellow battery) or Ultra-Saving (green battery), the system forcibly reduces the time to turn off the screen, ignoring your preferences in the brightness menu.

In Ultra-Savings mode, the phone becomes a bell ringer, and screen life can be tightly limited to 15 seconds to save charge for days. Check the status of the battery in the notification curtain. If the battery icon is on, no longer lock time is possible until this mode is turned off.

There's also smart savings: A smartphone can analyze what apps you're using, and for background processes or rarely used programs, shorten screen timeouts. This is part of MIUI Optimization optimization algorithms.

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Power saving modes always take precedence over the user's screen timeout settings. To increase the display time, you need to turn off all battery limitations.

Frequently Asked Questions (FAQ)