Are you one of the users who like to customize their phones by installing custom ROMs, custom Recoveries, Rooting and more? If yes then you have to first unlock bootloader of your phone. Here we will tell how to unlock bootloader on Samsung Galaxy M30. 
In Android phones, system-related customizations require bootloader to be unlocked. And by default, all the phones come with the locked bootloader. So it is mandatory to unlock bootloader for those who are looking forward to root Galaxy M30 or making changes in the system. The method for unlocking bootloader depends on the company of the phone. For Samsung Galaxy M30 it is very easy to unlock bootloader, while many other companies do not even let users unlock bootloader. So it is a big advantage for Samsung users.
Along with the Galaxy M30 unlock bootloader guide you will also know how to boot Galaxy M30 into Download Mode. Download Mode is a part of the system where users can make changes or download into the operating system. It means from download mode you will be able to write on the system using adb commands. Before going to steps for unlocking bootloader on Galaxy M30, take a look at its specification.
Samsung Galaxy M30 – Details
The Galaxy M30 features a 6.4-inch Super AMOLED FHD+ (1080 x 2340 pixels) display. It runs on OneUI based on Android 8.1 out of the box (upgradable to Android 9). Galaxy M30 powered with Exynos 7904 chipset with integrated Mali-G71 MP2 GPU. It packs with 6GB/6GB RAM and 64GB/128GB ROM respectively.
Talking about camera it has a triple rear camera setup at back with 13MP + 5MP + 5MP sensors. And at the front, it has a pop-up selfie camera of a 16-megapixel sensor. The Galaxy M30 boasts a massive 5000mAh battery and also supports 15W fast charging. Now let’s see how we can boot Galaxy M30 into Download Mode and then guide to unlock the bootloader.
How to Boot Galaxy M30 into Download Mode
To customize or write anything on the phone from PC, we need to boot Galaxy M30 to Download Mode. Download mode is also known as Fastboot mode on some phones. The phone needs to be in any of these modes to write anything from any tool or command window. You can boot Galaxy M30 to download mode with different methods and here we are going to tell two different methods.
Method 1: Enter Download Mode using Shortcut
- Power off your phone completely.
- Press & hold Volume Down + Power button together.
- Release the buttons when you see the Samsung Logo.
- A warning screen will appear, now press Volume Up button once.
- Now the Galaxy M30 will boot to Download Mode.
Method 2: Enter Download Mode using Recovery
- Power off your Galaxy M30.
- Press & hold Volume Up + Power button together.
- Release the buttons when the Samsung logo appears.
- The phone will now boot to recovery mode, press volume buttons to navigate. Navigate to ‘Reboot to bootloader’.
- Once the blue line is on ‘Reboot to bootloader’ press Power button to select it.
- Now the Galaxy M30 will boot into Download Mode.
You can use the Odin tool to flash files on your phone while in download mode. Download mode is also known as Odin mode in some blogs (only in case of Samsung phones). So if you see written Odin mode then it means Download mode.
How to Unlock Bootloader on Galaxy M30
Just like all other phones the Samsung Galaxy M30 also comes with locked bootloader. It means you can not modify the phone using tools & commands. So unlocking bootloader is required to flash files like TWRP, Custom ROM, Themes and more. Check out the below guide about Galaxy M30 to Unlock Bootloader.
Note: Unlocking bootloader will erase all the data on your phone so take a full backup first. Also the unlock bootloader option will appear after using the new device for fea days (take about 7 days).
Steps to Unlock Bootloader
- Open Settings on your Galaxy M30.
- Go to About Phone > Software Information.
- Tap 7 times on Build Number and it will display ‘You are now a developer’.
- Go back to Settings > Developer options.
- In Developer Options, enable OEM Unlocking and USB Debugging.
- Now turn off your phone completely.
- Press & hold Volume Down + Power button together.
- Release buttons when Samsung logo appears.
- It will now show a warning screen with three options including ‘device unlock mode’. You may not see if your device is new so check after a few days.
- Long press Volume Up button to unlock bootloader on Galaxy M30.
- It will now erase all the data and unlock the bootloader.
That’s it, now set up your phone and go to Developer option and you will see OEM unlocking option greyed out. Now you can install TWRP Recovery & custom ROMs and also you can root your phone. I like about Samsung that the unlocking process is very easy as compared to other phones. Let us know about your experience with Samsung and enjoy.
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