Xiaomi’s developer mode is not just a hidden option for programmers, but a powerful tool that unlocks dozens of additional features. Many users do not even realize that their device is based on the software. MIUI or HyperOS is capable of much more: from fine tuning animation to overclocking the processor or debugging through ADB. But why would a normal user want these features? And most importantly, how to use them without risking breaking the phone?
In this article, we will discuss all the practical applications of the developer mode on Xiaomi, Redmi and POCO, Including models from 2023 to 2026, you'll learn how to speed up the interface, enable hidden gestures, unlock the custom firmware bootloader, and even extend battery life, and what settings to avoid bugs or loss of warranty.
Spoiler: Some features of the developer mode can dramatically change your interaction with your smartphone, but require caution. OEM Unlock is required for installation TWRP It's not like LineageOS, but it's also making the device more vulnerable to attack. MIUI Optimization speeds up animation, but can lead to malfunctions in branded applications.
Read on, read on, and don’t forget our warnings and checklists to help you avoid mistakes.
Why to Include Xiaomi Developer Mode: 7 Real Reasons
Many people think that the developer mode is only for debugging applications or unlocking the bootloader, and in fact, its features are useful even for ordinary users — if you know where and what to include.
🔧 1. Acceleration of interface and animation
With Window animation scale, Transition animation scale and Animator duration scale, you can reduce delays when opening or switching between applications. 9A or POCO C31), where every millisecond counts.
📱 2 Unlocking the bootloader for custom firmware
No activation. OEM Unlock in Developer Mode cannot be installed TWRP, Magisk or alternative OSes like LineageOS or Pixel Experience, which is the first step for those who want to get rid of the problem. MIUI or obtain root rights without data loss (on some models).
🔋 3. Optimization of battery operation
Hidden settings allow you to turn off background activity for individual applications, limit the use of mobile data in the background, or even force the device to doze (deep sleep) earlier than usual, which extends battery life by 10-15%.
🎮 4.Performance setting for games
The developer menu can be forced to include GPU-rendering (Force) GPU rendering or disable the Frame Restriction (Disable) HW overlays. This is useful for gamers on POCO F5 Or Black Shark, where everyone is. FPS crucial.
🔍 5. Diagnosis of problems and error logs
If the smartphone is slowing down, overheating or discharges quickly, in developer mode you can turn on the error log (Enable bug report shortcut) and send a log to Xiaomi support, this will speed up the solution of the problem by 2-3 times.
📡 6. Testing of new network functions
You can force activate it here. VoLTE/VoWiFi (If the operator supports but the function is hidden, enable 5G SA (standalone or even emulate other types of networks for testing.
🔐 7 Security and access control
Functions like Disable USB Debugging authorization timeout or Revoke USB Debugging authorizations help protect data when connecting to someone else’s PC, and Stay awake setting is useful for debugging without constantly unlocking the screen.
How to turn on the developer mode on Xiaomi: step-by-step instructions
Activation of the developer mode on all Xiaomi, Redmi and smartphones POCO (It's the same, but there are nuances for different versions of the firmware:
1. Open the Settings app (cog icon).
2. Go to About Phone (or About Device on HyperOS).
3. Find the item "Version" MIUI» (or "HyperOS Version" and tap it 7 times in a row.
A message will appear on the screen: “You are a developer!” (or “Developer Mode is activated!”).
4. Return to the main Settings menu and a new section will appear: "More» → «For developers" (or "Advanced settings» → «Developer Mode on HyperOS).
⚠️ Attention:
If nothing happens after 7 taps, check:
You tap on the version number (e.g., HyperOS 1.0.5.0) and not on other fields.
There is no parental control or work account profile on the device that blocks changes to system settings.
On some models (for example, Xiaomi 13 Ultra or Redmi Note 12 Pro)+) You may need to enter a password or pattern lock to confirm activation.
Charge your phone at least 50 times%|Connect to a stable Wi-Fi|Remember the password from the Mi Account|Shut down. VPN (It can block access to settings)|Check the vacant space (minimum 1 GB)-->
Top.-10 The most useful functions of the developer mode
Not all of the settings on the developer menu are equally useful. We have selected the top 10 most popular options that will be useful to most Xiaomi users, some of which can significantly improve the performance of a smartphone, while others can save battery life.
📌 1. Accelerating interface animation
Path: System settings → For developers → Window: scale of animation / Transition: scale of animation / Duration of animator
- Set the value of “Animation disabled” or “Scale of animation” ×0.5" for instant application opening.
📌 Forced activation 4K camera
Path: For developers → Allow video recording in 4K (if maintained)
- On some models (e.g. Xiaomi) 12 Pro) this option will unlock the recording of the video in 4K@60fps, Even if it is hidden in the camera's standard menu.
📌 3. Disconnection MIUI Optimization
Path: For developers → Turn off optimization MIUI
Pros: speeds up the interface, removes unnecessary background processes.
- Cons: gestures may stop working MIUI Or a proprietary feature like Second Space.
📌 4. Inclusion VoLTE/VoWiFi manually
Path: For developers → Mobile network → Enable VoLTE / Enable VoWiFi
- Useful if the operator supports the technology, but it is not automatically activated (e.g., on the Tele2 or Yota).
📌 5. Authorization of debugging USB (ADB)
Path: For developers → Debugging by USB
- It is necessary to unlock the loader, installation TWRP or use utilities like Scrcpy (managing a phone from a PC).
🔋 6. Limitation of background processes
Path: For developers → Limit of processes in the background
Select a “Maximum 2 Process” to extend battery life, but some applications will reboot when you return to them.
🎮 7. Forced use GPU
Path: For developers → Forced rendering GPU
Improves gaming performance, but can increase heat (carefully on weaker chipsets like the Snapdragon 480).
📡 8. emulation of other types of networks
Path: For developers → Mobile network → Network-type emulation
- Allows you to test the operation of applications in conditions 2G/3G/4G, Even if you are connected to 5G.
🔒 9. Prohibition of automatic update of system applications
Path: For developers → Auto-update of system applications → Shut down.
- Prevents unexpected changes in the MIUI, Which can break custom settings.
📱 10.Switching on "Do not turn off the screen" when charging
Path: For developers → Keep the screen down.
Useful for long-term testing or using the phone as a monitor (e.g., via Scrcpy).
💡
If after changing the settings, the smartphone began to slow down or overheat, return all parameters to the “Default” state (the “Reset” button in the developer menu).
Dangerous settings: what not to touch in developer mode
Not all developer mode features are safe, some changes can cause crashes, overheating, or even data loss, and here is a list of settings that you should not activate unless absolutely necessary:
⚠️ 1. "Don't keep activities" (Don't keep activities)
- What does: Kills all apps immediately after they are folded.
Risks: Constant reboots of programs, loss of unsaved data (for example, in messengers or editors).
⚠️ 2. "Simulate secondary displays" (Simulate secondary displays)
- What does: Emulates the connection of the second screen.
Risks: May break the output of the image on the main display, you will need to reset settings.
⚠️ “Enforcement of use LTR» (Force RTL layout direction)
- What does: Changes the direction of the text (for languages with writing from right to left).
- Risks: Incorrect display of the interface MIUI, especially in system applications.
⚠️ 4. "Disable absolute volume" (disable absolute volume)
- What does: Unlocks a separate volume control for Bluetooth devices.
Risks: Can break the sound in headphones or speakers if they don’t support this feature.
⚠️ 5. Enable strict mode (Enable strict mode)
- What does: Illuminates the screen during long operations in the background.
Risks: Increases battery consumption and can interfere with work (constant screen blinking).
⚠️ 6. Allow mock locations (Allow mock locations)
- What it does: Allows applications to be replaced GPS-coordinates.
Risks: It can break the work of navigators (Google Maps, Yandex.Maps) or services like Uber.
🔴 7. “Unlocking OEM» (OEM Unlocking)
- What does: Allows unlocking of the bootloader.
- Risks:
- Resets all data on the phone the first time it unlocks.
Deprives warranty (officially Xiaomi does not support custom firmware).
Increases vulnerability to attacks (e.g. via Fastboot).
⚠️ Note: If you accidentally activate one of these settings and your phone starts to work incorrectly, don’t try to fix it manually – reset your settings through Settings. → System system → Resetting. 90 percent of the time, it'll bring the device back to working order.
Unlocking the bootloader through Developer Mode: Detailed Guide
One of the most popular queries among Xiaomi owners is how to unlock the bootloader to install custom firmware or get root.This process consists of several stages and requires care, as errors can lead to a “brick” (complete inoperability) of the device.
Step 1: Activation OEM Unlock and debugging by USB
1. Enable the Developer Mode (as described above).
2. Go to Settings → For developers and activate:
- «Unlocking OEM» (OEM Unlocking)
- «Debugging by USB» (USB Debugging)
3. Connect the phone to the PC and confirm the debugging permission (a request will appear on the smartphone screen).
Step 2: Linking your Mi Account to your device
⚠️ It's a must! Without a Xiaomi account, unlocking is impossible.
1. Go to Settings. → Xiaomi account and log in.
2.In the developer menu, look for the item “Mi Unlock status” and click “Add account and device”.
3. Wait 72–168 hours (3–7 days) – Xiaomi blocks unlocking for new accounts.
Step 3: Unlocking with Mi Unlock Tool
1. Download the official Mi Unlock Tool utility from Xiaomi website (link: [en.miui.com/unlock](https://en.miui.com/unlock)).
2. Run the program on your PC and log in to the same Mi Account as on your phone.
3. Connect your smartphone in Fastboot mode (turn off the phone, then press Volume down). + Nutrition).
4. In the utility, press Unlock and wait for the process to be completed (usually takes 1-5 minutes).
✅ Success! Now you can set up TWRP, Magisk or custom firmware.
⚠️ Warning: Unlocking the bootloader erases all data on the phone, including photos, contacts and apps, and it will void the warranty (official service centers will refuse repairs.
What happens if you break the unlock?
Hidden chips MIUI, which can be enabled through the Developer Mode
MIUI
HyperOS
5 Little Known Opportunities
Xiaomi
🔹 1. Hidden Game Turbo Mode for Any Application
- Path: For developers → Forced inclusion of Game Turbo
Optimizes performance not only for games, but also for any application (such as Chrome or CapCut).
🔹 2. Alternative way of unlocking (double tap on the screen)
- Path: For developers → Double touch to wake up
- What gives: Double tap unlocking (like on Google Pixel) even if touch buttons are disabled.
🔹 3. Change the screen resolution manually
- Path: For developers → Minimum width (dp)
- What gives: Allows you to zoom in or out of the interface (useful for people with vision problems or for placing more icons on the screen).
🔹 4. Enable Reading Mode for all applications
- Path: For developers → Forced reading-mode activation
Automatically applies dark theme and blue light filter to all programs, even if they do not support it by default.
🔹 5. Displaying touches on screen (for recording reviews)
- Path: For developers → Show touches
- What gives: The screen will display points in places of touch - convenient for creating tutorials or streams.
💡
Not all hidden features work well on custom firmware, so if you activate an option, you turn it off and restart the device.
Frequent problems and their solutions
Even experienced users sometimes have trouble working with the developer mode, and we've collected some of the most common bugs and ways to fix them.
| Problem | Possible cause | Decision |
|---------------------------------------|-----------------------------------------------|----------------------------------------------------------------------------|
| Developer mode is not activated | You're not using the version. MIUI/HyperOS | Check that you are clicking on the line with the version number (for example, "HyperOS"). 1.0.5.0»). |
| Unlocked Error in Mi Unlock Tool | Account is not tied to device or little time | Wait 7 days from the moment of account linking. |
| The phone is overheating after the changes | Forced on. GPU-rendering | Turn off Force. GPU rendering and restarting the device. |
| Signs do not work after disconnection MIUI Optimization | Conflict with System Processes | Return the setting to its original state or reset the gesture settings. |
| Artifacts appeared on the screen | Incorrect value in "minimum width» | Set the default value (usually 360-411 dp). |
🛠 If the problem is not solved, try it:
1.Reboot your phone (sometimes helps even in case of serious crashes).
2. Reset the developer settings (reset button in the menu).
3. Update firmware through Settings → Updating the system.
⚠️ Note: If after changes in the developer mode, the phone stopped turning on or stuck on the logo MI, Do not panic. In 95% of cases, a hard reset helps (clamp Volume up). + Power for 10 seconds) or flashing through Fastboot.