How To Turn On Developer Mode in Android

Step 1: Enable Developer Options

1. Open Settings:Go to Settings > About Phone (or About Device).
2. Find the Build Number: Scroll to Build Number (or Software Information > Build Number on Samsung devices).
3. Tap Build Number 7 Times: Rapidly tap Build Number 7 times.

You’ll see a toast message: “You are now a developer!”

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Step 2: Access Developer Options

1. Go Back to Settings: Return to the main Settings menu.

You’ll now see Developer Options (under System, Additional Settings, or Software Update).

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Step 3: Use Developer Options

Enable/disable advanced features like:

• USB Debugging: Allows communication with a computer via ADB (Android Debug Bridge).
• OEM Unlocking: Required for bootloader unlocking (for custom ROMs).
• Stay Awake: Keeps the screen on while charging.
• Animation Scales: Speed up or disable animations for a snappier UI.

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Troubleshooting

• Can’t Find Build Number?
  • On Samsung: Go to Settings > Software Information > Build Number.
  • On Xiaomi: Tap MIUI Version 7 times instead of Build Number.
  • On OnePlus: Settings > About Phone > Version > Build Number.
• Developer Options Disappeared?
  • Re-enable it by repeating Step 1.

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Important Notes

• ⚠️ Be Cautious: Changing settings like OEM Unlocking or USB Debugging can void warranties or compromise security.
• For ADB/Fastboot: Enable USB Debugging to connect to tools like Android Studio.
• Custom ROMs: Enable OEM Unlocking before unlocking the bootloader.

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Disable Developer Options

1. Settings > System > Developer Options.
2. Toggle off the Developer Options switch at the top.