Samsung Galaxy Z Flip 4

How to Boot Samsung Z Flip 4 Into Download Mode, and More

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In this article, we will give a complete tutorial on Download Mode, also known as Odin Mode, a feature unique to Samsung devices. 

This guide is created with absolute beginners in mind, aiming to help you navigate and utilize Download Mode without the need for complex ADB commands.

We will cover everything from understanding what Download Mode is, why and when you might need to use it, and most importantly, a step-by-step guide on how to boot your Samsung Galaxy Z Flip 4 into Download Mode. 

So, whether you’re troubleshooting a device issue, looking to root your device, or simply curious about custom firmware, this guide has got you covered.

What is Download Mode?

Download Mode, also known as Odin Mode, is a special boot mode exclusive to Samsung devices. It’s a state that allows the device to accept system updates, custom ROMs, or other modifications not typically permitted in the standard operating mode.

Download Mode works by creating a direct line of communication between your Samsung device and a computer, bypassing the Android operating system. This allows you to make changes to the device’s firmware directly.

So why is it called the Odin mode? Samsung’s Odin software is a tool used in conjunction with Download Mode. Odin is a Windows-based program that automates the process of flashing firmware to Samsung devices. It’s an official Samsung tool, making it a reliable and trusted method for updating or modifying your device.

For Linux users, there’s an alternative to Odin called Heimdall. It offers similar functionality to Odin but is compatible with Linux operating systems. Like Odin, Heimdall allows you to flash firmware to your device, but it also has a few additional features, such as the ability to backup and restore partitions.

Why Use Download Mode?

One of the main uses of Download Mode is to install firmware updates manually. Firmware is the software that runs your device, and sometimes, you might need to install these updates manually if the automatic update process fails, or if you’re installing a version of the software that hasn’t been officially released yet.

Furthermore, Download Mode allows users to install custom firmware, also known as custom ROMs, which are alternative versions of the Android operating system that have been modified to provide additional features, improved performance, and better battery life. They’re created by independent developers and offer a way to customize your device beyond what’s possible with the stock firmware.

why download mode

Another popular use of Download Mode is rooting your device. Rooting gives you administrative access to your device’s software, allowing you to make changes that wouldn’t normally be possible. This can include removing pre-installed apps, installing apps that require root access, and making deep-level changes to the Android operating system.

Download Mode can also be used to install custom recoveries. A custom recovery is a powerful tool that replaces the official recovery mode and allows you to perform advanced operations like backing up your entire system, installing custom ROMs, and performing a factory reset.

However, it’s important to note that using Download Mode is not without its risks. It can void your device’s warranty, and if not done correctly, it can potentially harm your device. 

Therefore, it’s crucial to understand what you’re doing and follow all instructions carefully. Also, always remember to back up your data before making any significant changes to your device.

How to Boot Samsung Galaxy Z Flip 4 Into Download Mode

For Samsung devices, the process of booting into download mode has changed over time. Unlike earlier models where you could simply use button combinations, you now need to use a USB cable to boot your Samsung Galaxy Z Flip 4 into download mode. Here’s a step-by-step guide on how to do it:

  1. Power off your device: Before you start, ensure that your Samsung Galaxy Z Flip 4 is completely switched off. You can do this by pressing and holding the power button, then selecting the ‘Power off’ option.
power off
  1. Prepare your USB cable: Have your USB cable ready. You will need to connect your device to a computer during this process.
  2. Press the Volume Up and Down buttons: While your device is off, press and hold the Volume Up and Volume Down buttons simultaneously.
Volume Up and Down buttons
  1. Connect your device to a power source: While still holding the Volume Up and Down buttons, connect your device to a power source using the USB cable.
Connect your device to a power source
  1. Release the buttons: Once the download mode screen appears, you can release the Volume Up and Down buttons.

Congratulations, your Samsung Galaxy Z Flip 4 is now in download mode!

If you want to exit download mode, simply hold down the power button and the volume down button simultaneously for about 7 seconds. Your device should reboot normally.

Wrapping Up

In this guide, we have we’ve discussed what is download mode, why it’s a unique feature of Samsung devices, and how it works. We’ve also discussed the potential uses of Download Mode.

We’ve also walked you through the process of booting your Samsung Galaxy Z Flip 4 into Download Mode. Additionally, we’ve provided you with the necessary steps to exit Download Mode.

We hope this guide has been helpful in improving your understanding and usage of the Download Mode on your Samsung Galaxy Z Flip 4. If you have any further questions or concerns, don’t hesitate to ask.


Steve is a brilliant Android developer with an in-depth understanding of Android code and its underlying logic. With his extensive experience in building over 50 apps, he possesses a deep knowledge of the Android operating system, app functionality, and troubleshooting techniques. Steve also has a degree in computer systems, making him a valuable asset to our team. Apart from writing for the website, he takes care of the technical aspects, ensuring a seamless user experience.