Androidbiits.com will share a simple trick with Tecno Phantom 6S A6S H551C1 owners who are trying to unlock bootloader of their phone. It comes with Android 6.0 Marshmallow operating system, 2700mAh battery, 3GB Random access memory, 13MP rear camera, 5.5 inches display, 720p video recording support and 64GB internal storage space. If you have recently bought Phantom 6S A6S H551C1, 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 Phantom 6S A6S H551C1. Locked bootloader does not allow us to install custom ROM on our phone. It only loads the authorized Android OS with a digital signature. Androidbiits.com will help you in unlocking Phantom 6S A6S bootloader. You will be able to install custom ROM after unlocking bootloader. Previously, I have published the simple instructions for rooting Tecno Phantom 6 Plus. Now, I will discuss about the step-by-step tutorial to unlock bootloader in Tecno Phantom 6S.

I am hoping that you will be able to unlock bootloader in Phantom 6S A6S H551C1 without facing any problem after reading the tutorial written in Androidbiits.com. Don’t forget to activate developer options. You must note that your Phantom 6S A6S H551C1 will lose warranty after the bootloader unlock process. It will let you install Custom ROM. You must activate OEM unlock options on your phone. Bootloader unlock process will also let you install Magisk, so you will be able to root your phone after unlocking its bootloader.

If you are planning to install official and unofficial LineageOS custom ROM on Phantom 6S A6S H551C1, then you must be eagerly waiting to unlock bootloader. You must save your important documents securely including messages and contacts before unlocking Phantom 6S A6S H551C1 bootloader, because there is a possibility of losing all documents from your phone during bootloader unlock process.

Below are the steps using which you can unlock bootloader in Phantom 6S A6S H551C1. Androidbiits.com will not be responsible if your phone got broken during bootloader unlock process. Phantom 6S battery must be above 94 percentage before bootloader unlock process. You must follow these steps at your own risk.

How to Unlock Bootloader in Tecno Phantom 6S A6S Easily [Simple Steps]

1. Tap “Settings” Menu, then you have to tap “About Phone” option.

2. Tap “Software Information” option.

3. Tap “Build number” option several times until you see “You are now a developer” on Tecno Phantom 6S.

4. Tap “Settings” Menu again.

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

6. Download USB driver and install it on PC.

7. Connect Tecno Phantom 6S with PC via USB cable. Tap “ALLOW” option on your phone to allow USB debugging.

8. Download SDK Platform tools Zip File.

9. Open platform-tools folder within the Android SDK folder on your PC after extracting the ZIP file.

10. Inside the platform-tools folder, you have to type “cmd” in the address bar and press “enter” button to open the Command Window.

11. Enter the following command to check the connected device:

adb devices

12. If your device is successfully connected with PC, then you will be able to see a serial number.

13. Enter the following command to put Tecno Phantom 6S into Fastboot mode:

adb reboot bootloader

14. Enter the following command to check Fastboot mode:

fastboot devices

15. If your device is successfully entered into Fastboot mode, then you have to enter the following command:

fastboot flashing unlock

If you are facing any issue using the above command, then you have to enter the following command:

fastboot oem unlock

16. Choose “Yes” option using Tecno Phantom 6S volume up button.

17. Enter the following command after the bootloader unlock process is completed:

fastboot reboot

You have successfully unlocked bootloader in Phantom 6S A6S H551C1. If you are experiencing any difficulty while unlocking Phantom 6S bootloader, then don’t hesitate to share your issue with Androidbiits.com. Please submit your email address and subscribe to get more information regarding Tecno Phantom 6S. You must check your email to activate subscription.