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How to Enter Download Mode on Samsung Galaxy S9

samsung galaxy s9

Do you need to access download mode on your Samsung Galaxy S9? If you do, and if you also want to learn more about this built-in environment that runs on your device, do check all the guidelines explained below. There we will be checking when the download mode is required, what you should understand when this environment is discussed, the pre-requisites that must be applied before you actually enter the mode and, of course, the steps that must be followed for reaching download mode on the new Samsung Galaxy S9.

Download mode is a dedicated environment that run’s independently from the Android mode. So, shortly, these mods cannot run at the same time on your Galaxy S9. Thus, download mode will put your smartphone into a special state, from where you can initiate further operations. Just like recovery mode, this environment will offer access towards the Android core system so you will be able to perform modifications in order to customize and optimize your Android experience.

Unlike recovery mode, when we talked about maintenance and tweaking possibilities, the download mode is usually associated with update operations. In fact, this environment will be required each time you will want to manually update or downgrade your Samsung Galaxy S9. Shortly, when Odin is used, your device must run into download mode – otherwise the flashing program won’t recognize your phone, thus the update operation cannot be successfully completed.

Of course, the same mode is asked in other situations too, but those are only rare occasions when download mode will have to be entered.

Due to same reasons, you should learn this basic Android operation as it can help you smartly manage different unpleasant situations – the download mode can help you downgrade to a more stable Android build; it can help you revoke tweaks that were recently applied; it can help you skip the usual OTA wait and it can also help you manually fix different Android software related problems such as boot loops, lags, bugs, hangs, screen freeze, battery drain, heating problems, signal strength issues, total blackouts and more.

Reaching download mode is a supported process – so, Samsung KNOX won’t be tripped while you use the steps from below. Moreover, you can access this mode without using third party apps or any other risky programs, so from this perspective you have no reasons to worry about.

Just like recovery, download mode is hidden by default on your Galaxy S9 and comes like built-in feature. So, you cannot enter this environment through general, or dedicated settings. That’s why you will need to follow special reboot sequences which will easily take you to download mode.

Anyway, before starting the actual steps explained below, be careful as a backup is recommended – during certain update operations your data might be wiped out, so if you have important files saved on your smartphone, be patience and save everything first (or, at least, secure the essential: EFS folder, internet settings, contacts, call logs, texts, calendar info, saved passwords, images, videos, audio files, market apps or IMEI / NVRAM data). On your Galaxy S9 you can already use Samsung’s own cloud storage services, or you can choose to sync files with your Google Account; another way in which you can complete the backup is by downloading dedicated backup and restore tools from Google Play (in that case make sure you use already tested apps).

It’s important to verify the power that’s left on your device before choosing to use download mode and resume the associated update operation. If the system will remain out of power, the Android OS will get turned off. If that happens your Galaxy S9 can get software bricked – different malfunctions can get caused within the Android core system. Therefore, try to avoid such unpleasant and unfortunate situations by choosing to charge your handset before doing anything else – as a general recommendation, plug in the charger if the power left is lower than 50%.

How to Enter Download Mode on Samsung Galaxy S9

Method 1

  1. Turn off your Galaxy S9 – press the Power key for a few moments and from the menu that’s displayed tap on ‘reboot system now’; or just press and hold the Power button until the shut down operation is completed.
  2. Afterwards, on your phone press and hold the Power, Volume Down and Bixby buttons.
  3. Keep pressing these keys until the Samsung Logo shows up – then, release the buttons and connect your phone with your computer via USB cable.
  4. Download mode should be now displayed on your Samsung Galaxy S9.

Method 2

A computer is required and there the Galaxy S9 drivers must be already installed – you can set up the right drivers by using Samsung KIES. On your computer the Android SDK toolkit must be also flashed; therefore, before doing anything else learn how to install Android SDK on Windows or how to set up ADB on MAC OS X / Linux.

On your smartphone enable Developer Options – first go to About Phone and then from that field tap repeatedly on Built Number; keep tapping on that option until you get the ‘you are a developer’ message. Next, under Menu – > Settings – > Developer Options you need to check the USB Debugging feature.

Next, follow:

  1. Start by powering on your computer and by switching on your phone.
  2. Then, connect your Galaxy S9 with your computer via USB cable.
  3. On the computer access the Android SDK folder.
  4. From there, open a command prompt window: press and hold the Shift keyboard hotkey and while doing so right click on any blank space; finally, from the list that’s opened choose ‘open command prompt window here’.
  5. In the cmd window type ‘adb reboot download’ and press Enter.
  6. The download mode should be now automatically rebooted on your SGS9.

Method 3

A dedicated app can help you easily and intuitively reach download mode on your smartphone. Such app is Quick Boot and can be easily installed on your smartphone – be aware as root might be required because such apps must access the internal Android system that runs on your handset. So, download the app and run it; then, follow on-screen prompts and choose to enter the desired mode.

Conclusions

Good work; choose the method that you prefer the most and try to enter download mode on your Samsung Galaxy S9. Of course, return here and share your experience, and your observations, with us and with our readers by using the comments field from below. If you have questions, or problems, based on your explanations we will try to assist you as soon as possible. For further tutorials and similar other Android related tips and tricks don’t hesitate and check out our ‘how to’ section.