How to Unlock Bootloader in Samsung Galaxy Tab A7 10.4 (SM-T509, SM-T503, SM-T507) Easily [Simple Steps]

Today, will share a simple trick with Tab A7 10.4 (SM-T509, SM-T503, SM-T507) owners who are trying to unlock bootloader of their device. It comes with stereo speakers, One UI 4, 1080p video recording support, 224 pixels per inch (ppi) density, 5MP front facing camera, 3GB Random access memory and 7mm thickness. If you have recently bought Tab A7 10.4 (SM-T509, SM-T503), then you might be planning to unlock its bootloader. As we know, bootloader is a program that starts whenever phone is turned on. It activates the Android operating system on Tab A7 10.4 (SM-T509, SM-T503). Locked bootloader does not allow us to install custom ROM on our device. It only loads the authorized Android OS with a digital signature. will help you in unlocking Tab A7 10.4 SM-T509 bootloader. You will be able to install custom ROM after unlocking bootloader. Previously, I have published the simple instructions for rooting Samsung Galaxy A04e SM-A042F. Now, I will discuss about the step-by-step tutorial to unlock bootloader of Samsung Galaxy Tab A7 10.4.

I am hoping that you will be able to unlock Tab A7 10.4 (SM-T509, SM-T503) bootloader without facing any problem after reading the tutorial written in Don’t forget to activate developer options. You must note that your Tab A7 10.4 (SM-T509, SM-T503) will lose warranty after the bootloader unlock process. It will let you install Custom ROMs on your device. You must activate OEM unlock option. Bootloader unlock process will also let you install Magisk on your device, so you will be able to root your device after unlocking its bootloader.

If you are planning to install official and unofficial LineageOS custom ROM on Tab A7 10.4 (SM-T509, SM-T503), then you must be eagerly waiting to unlock its bootloader. You must save your important documents securely including messages and contacts before unlocking bootloader of Tab A7 10.4 SM-T509, because there is a possibility of losing all documents from your device during bootloader unlock process.

Below are the steps using which you can unlock bootloader of Tab A7 10.4 (SM-T509, SM-T503). will not be responsible if your device got broken during bootloader unlock process. Tab A7 10.4 battery must be above 86 percentage before bootloader unlock process. You have to activate developer options before unlocking it.

How to Unlock Bootloader in Samsung Galaxy Tab A7 10.4 (SM-T509, SM-T503, SM-T507) Easily [Simple Steps]

1. Tap “Settings” Menu on Tab A7 10.4, then you have to tap “About phone” option.

2. Tap “Software Information” option.

3. Tap “Build number” option several times until you see “Developer mode has been turned on” message on your Tab A7 10.4.

4. Tap “Settings” Menu again.

5. Tap “Developer options”, then activate “OEM unlocking” and “USB debugging” option.

6. Switch off your device.

7. Download and Install USB driver on desktop.

8. Connect your Tab A7 10.4 with computer via USB cable while pressing Volume down button and Volume up button simultaneously.

9. Long Press Volume up button for a few seconds to enter Device Unlock Mode.

10. Press Volume up button again to unlock bootloader.

You have successfully unlocked bootloader of Tab A7 10.4 (SM-T509, SM-T503). If you are experiencing any difficulty while unlocking Tab A7 10.4 bootloader, then don’t hesitate to share your issue with Please submit your email address and subscribe to get more information regarding Tab A7 10.4. You must check your email to activate subscription.

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