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12 Easy steps to Unlock Bootloader your Koolnee K3

Koolnee K3 comes with 64GB internal memory with 4GB Ram. It is powered by Android 8.0 (Oreo), it has powerful Octa-core 1.5 GHz ARM Cortex-A53 CPU and MediaTek MT6750T chipset. The smartphone comes with 6.1 inches, 92.9 cm2 (~81.2% screen-to-body ratio) with 1080 x 2160 pixels, 18:9 ratio (~403 ppi density) resolution, and Non-removable Li-Ion 3100 mAh battery. Koolnee K3 comes primary camera is Dual: 13 Megapixels + 2 Megapixel Dual LED Flash, and secondary camera is 5 Megapixels, LED Flash. It has different sensors such as Fingerprint (front-mounted), accelerometer, gyro, proximity, compass. The latest Koolnee K3 coming with a lot of different features such as Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot, 4.2, A2DP, LE, A-GPS, GLONASS, microUSB 2.0.

Koolnee was announced their latest K3 is powered by Android 8.0 (Oreo), which is run on GSM / HSPA / LTE / 2G / 3G / 4G technology, this device was announced on 12 April, 2018, and the release date of the device is 14 April, 2018.

How To Unlock The Bootloader on Koolnee K3, full guide step by step

We will guide you on how to unlock the bootloader on Koolnee K3. Unlocking bootloader is a void that will affect your device warranty. So we will not force you, do it on your own risk. Today we will guide you if would you like to install TWRP Recovery and if you want to root your smartphone. You must unlock the bootloader on your Koolnee K3. The following steps will help you to unlock the bootloader.

What Is Bootloader Or Boot Manager?

Bootloader or Boot manager is a small software programming code that is used to initiate your android smartphone, it is stored in the operating system of a device into memory. Bootloader guides your Koolnee K3 that which programs should be load in start-up and how to find system kernel of your device. As we know every smartphone which is powered by OS (Operating System) must contain the Bootloading option. Android is a product of Google which is used in smartphones across worldwide and Android making changes, developing operating systems time to time with latest upgraded features, android makes changes by the manufacturers according to their choice, and manufacturers also make changes in features and specifications in their phones to gain maximum local market interest. So every rooting procedure cannot be the same.

We hope that these methods can help you to unlock bootloader your device. However, we highly recommend you follow the steps very carefully, step by step to avoid any permanent damage caused to your device.

You can void your warranty
There will be issues with official OTA updates
Moreover, you can brick your device or stuck in a boot loop
But, there are certain advantages once, you have unlocked the bootloader on your device

Required Downloads:

Download ADB and Fastboot files. (Windows )
Download And Install K3 USB Drivers.
Download Drivers: Mediatek VCOM Drivers or MTK USB Drivers
Download And Install SP Flash tool on your PC

You can install any custom ROM such as Lineage OS, Resurrection Remix ROM. You can also root your Koolnee K3 smartphone.
You can flash TWRP.

How to Unlock Bootloader Video Tutorial?

Video Tutorial

Basic Requirements

You need a Windows Laptop/PC
Your device must be charged more than 70% or your smartphone must be charged up to 70 percent
Before we begin the unlocking of bootloader, we would strongly recommend you to create a backup of your device
This is the method only for K3 and you can for any other smartphone
Steps to Unlock Bootloader of K3
As you know that we already mentioned above, you need to have an unlocked bootloader and you may install Custom ROMs, restricted apps, on your device
You should follow the below steps to unlock the bootloader of your device

12 Quick Steps to Unlock The Bootloader

1: Firstly, you need to enable the Developer Options on your K3.
Go to Settings>>>>>>>>About Phone>>>>>>>> and press the Build Number 6 to 7 times until you see a pop message that shows you “You are now a developer”.

Into the Developer Options, now you need to Enable USB Debugging, and the OEM Unlock Option.
After that, again head to the Settings>>>>Developer Options>>>>enable USB Debugging and OEM Unlock.

2: Download and setup the ADB and Fastboot tools on your Laptop or Desktop.

3: Now, connect your K3 to Laptop/PC using a USB cable.

4: Now, you should wait until all the USB Drivers installed on your computer.

5: Now open the CMD or command prompt and go to the same folder, where you have extracted the contents of the ADB and Fastboot tools.

6: After that, type the below command into the command prompt area and press the Enter button;
ADB devices

7: You will see a popup message on your smartphone such as “Always allow from this computer”. Now You can press the OK button.

8: You should type the below command to enter the bootloader mode, and press Enter; button on your keyboard.
adb reboot bootloader

9: Now, you must enter the below command so your K3 and you will reboot into Fastboot mode;
fastboot flashing unlock

10: Now, enter again your device into the Fastboot mode using the Volume Down + Power button together.

11: After that, enter the below command;
fastboot flashing unlock_critical

Step 12: That’s It! You have successfully unlocked the bootloader of the Koolnee K3 device.

We hope that you have read all of the above steps carefully, and now you can go ahead, and root your device and install various MODs, custom ROMs or modify the firmware of your device.

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Note: You begin the unlocking of bootloader, we would strongly recommend you create a backup your Koolnee K3.
Unlocking of bootloader will wipe off the entire data on your device. We advised you to follow the above steps very carefully to avoid permanent damage or bricking of your device. is not responsible for anything.

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