Samsung Galaxy S9 Download Mode
How to enter download mode on your Samsung Galaxy S9 by switching to a firmware update menu; follow our concise step-by-step guide for a smooth process.

Download Mode · Odin Mode · Firmware Download · Flash ROM · Update Firmware · Software Installation · Download Interface · Diagnostic Mode
How to Start Your Samsung Galaxy S9 in Download Mode
Download Mode via Button Combination
Download Mode allows you to install official firmware updates or flash your device using special tools like Odin.
Step by Step Guide
Follow this step-by-step guide to put your Samsung Galaxy S9 into Download Mode:
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Step 1: Turn off your device
Press and hold the Power button and select Power off to completely turn off your device.
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Step 2: Connect your device to a computer
Connect your Samsung Galaxy S9 to a computer using a USB cable.
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Step 3: Press Volume Down + Power Button
Press and hold the Volume Down and Power buttons simultaneously until the Samsung logo appears.
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Step 4: Download Mode screen appears
When the Download Mode screen appears, release all buttons.
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Step 5: Confirm Download Mode
A warning message will appear on the screen. Press the Volume Up button to confirm Download Mode.
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Step 6: Restart the device (optional)
If you want to exit Download Mode, press and hold the Power and Volume buttons simultaneously until your device restarts.