Menu for developers on Android: how to enable and use hidden functions

Developer mode on Android is a hidden settings section that gives access to dozens of advanced system parameters. Here you can speed up interface animation, debug applications via ADB, enable display FPS or even emulate geolocation without GPS. But how to get there if manufacturers hide this option from ordinary users?

Unlike standard settings, the developer menu is not displayed by default. It must be activated through a special sequence of actions, which may differ depending on the version Android and shell (MIUI, One UI, ColorOS etc.). In this article, we will analyze all the ways to enable the mode, explain the purpose of key options and warn about possible risks.

Important: some parameters in this menu can disrupt the stability of the device or lead to failures. Therefore do not change the settings at random first study their purpose.

Why do you need developer mode on Android

The menu for developers was created for testing applications and debugging the system, but many of its functions are useful for ordinary users. Here are the main use cases:

• 🚀 Accelerate the interface: disable animations to instantly open applications.
• 🔍 Diagnostics problems: display CPU load, memory usage and FPS in real time.
• 📡 Network settings: force enable 5G or disable automatic switching between networks.
• 📱 Device emulation: change the screen resolution or pixel density (DPI) to test application adaptability.

For example, if your smartphone is slow, you can enable the option Do not save actions (Don’t keep activitiesso that applications do not hang in the background. And for gamers, a useful function is Force use of GPU (Force GPU rendering, which speeds up graphics rendering.

However, not all options are safe. Some settings (for example USB debugging) open vulnerabilities to malware if the device is connected to untrusted computers.

How to open the developer menu on pure Android (Pixel, Nexus, Android One)

On devices with stock Android (for example Google Pixel or smartphones under the app Android One) the activation process is the same for all versions of the OS, starting from Android 4.2. Here are the step-by-step guide:

1. Open the application Settings.
2. Go to the section About phone (or About tablet).
3. Find the item Build number (Build number) and tap on it 7 times in a row.
4. After 4-5 clicks a notification will appear: You are almost there!.
5. After the 7th click, the system will show the message: You have become a developer!.

Now in the main menu Settings a new section will appear - For Developers (usually at the very bottom of the list). On some devices it may be called Developer Options or Developer Mode.

If after 7 clicks nothing happens, check:

• 🔄 You are tapping on Build number, and not on another line (for example, Android version).
• 🕒 There should not be a long pause between presses (maximum 1-2 seconds).
• 🔒 On some devices you need to enter PIN code or graphic key after activation.

Features of enabling on smartphones of different brands

Manufacturers often modify the interface Android, so the path to the developer menu may differ. Below are instructions for popular brands.

On devices Sony Xperia the path may look like this: Settings → System → About phone → Number builds. And on LG (if there are still such devices) - Settings → General → About phone → Software information → Build number.

On some firmware (for example, on custom ROMs like LineageOS), the developer menu can be enabled by default. In this case, it is immediately displayed in the main list of settings.

Top 5 useful functions in the developer menu

Let's look at the most popular options that will be useful to ordinary users. not all settings are safe —some may lead to unstable operation of the system.

1. Interface acceleration

By default Android uses animations when opening applications, switching between screens and closing windows. They can be disabled or disabled. speed up:

• 🎯 Window animation scale — set 0.5x or Disable.
• 🎯 Animation scale transition —the same thing.
• 🎯 Animation duration —reduce to 0.5x.

Effect: applications will open instantly, but the interface will become less smooth.

2. Forced use of the GPU

Option Force GPU Use (Force GPU rendering) forces the system to render all elements through the GPU. This speeds up heavy applications (such as games or video editors), but Forced use of the GPU may increase battery drain. 3. USB debugging may increase battery consumption.

3. USB Debugging

Function USB debugging (USB debugging) allows you to connect the device to a computer for debugging via ADB. This is necessary for developers, but enabling it all the time is unsafe - attackers can access data through a connection to an infected PC.

4. Keep the screen on while charging

Option Do not turn off the screen (Stay awake) is useful if you often watch videos or use a navigator while charging. But it accelerates wear of the screen (risk of pixel burnout on OLEDdisplays).

5. Simulation of additional displays

In the section Simulate additional displays you can emulate a second screen for testing multi-window applications. Useful for developers, but unlikely to be useful for ordinary users.

Dangerous settings: what not to touch

Some options in the developer menu can disturb the operation of the devicelead to data loss or even to brik (complete inoperability) of the smartphone. Here's what it's better not to change:

• ⚠️ OEM unlock (OEM Unlocking) - unlocks the bootloader, which simplifies the installation of custom firmware, but resets all data and may void the warranty.
• ⚠️ Do not save actions (Don’t keep activities) - closes all applications on exit, which saves memory, but violates the logic of the operation of many apps (for example, instant messengers).
• ⚠️ Background process limit (Background process limit) - limiting background processes can lead to sudden reboots.
• ⚠️ Disable absolute volume level (Disable absolute volume) - disrupts volume synchronization between the device and Bluetooth-headset.

⚠️ Attention: Changing settings Selecting USB mode to non-standard values (for example, MTP + PTP) may cause the computer to no longer recognize the device. In this case, only resetting the settings will help.

If you accidentally changed a critical setting and the smartphone started to fail, try:

1. Return the parameter to its original state.
2. Reboot the device.
3. As a last resort, reset the settings to factory settings (but this will delete all data!).

How to disable the developer menu

If the developer mode is no longer needed, it can be deactivated. Methods depend on the version Android:

Method 1: Through settings (Android 9 and later)

1. Go to Settings → System → For developers.
2. Look for the switch at the top of the screen On/Off.
3. Disable it and confirm the action.

Method 2: Resetting the number of taps (Android 8 and older)

On older versions Android developer menu disappears if you reset the click counter on Build number. To do this:

1. Open Settings → Applications.
2. Find the application Settings and clear its cache and data.
3. Reboot the device.

After this, the section For developers will disappear from the menu.

⚠️ Attention: On some firmware (for example MIUI) resetting application settings Settings may reset all personal preferences (wallpapers, sounds, gestures, etc.).

Frequent problems and their solutions

Sometimes the developer menu does not turn on or disappears after an update. Let's look at typical situations:

Problem 1: The notification does not appear after 7 clicks

Possible reasons:

• 🔹 You are not tapping on Build number, but on another line.
• 🔹 The device has a shell where you need to tap on MIUI Versions or Software Versions.
• 🔹 The system blocked the actions due to suspicion of tapjacking (fraudulent clicks). Try restarting the device.

Problem 2: The developer menu disappeared after the update

After major updates Android the menu may be reset. Solutions:

• 🔹 Repeat the activation procedure (7 taps on Build number).
• 🔹 Check if the menu is hidden in the section Additional or System.
• 🔹 On some firmware (for example, ColorOS), after updating you are required to enter the password for the manufacturer's account.

Problem 3: Changes in settings are not saved

If you enable the option, but after a reboot it is reset:

• 🔹 Check if rights superuser (rootis installed on the device - some modules (Magisk, Xposed) block changes.
• 🔹 Update the firmware - in older versions Android there were bugs with saving developer settings.

FAQ: Answers to frequently asked questions

adb shell settings put global development_settings_enabled 1