How to Unlock Bootloader on Oppo K9x

Bootloader for Oppo K9x

Oppo K9x Review

Body and Launching

Oppo has announced its latest K9x Smartphone. This device was announced in December 23, 2021, and the current status is Available in the USA, the release date of the device is December 27, 2021. Dimensions is 162.2 x 74.8 x 8.8 mm (6.39 x 2.94 x 0.35 in) with 194 g (6.84 oz) weight, the latest device consists on Dual SIM (Nano-SIM, dual stand-by). The Smartphone comes with several colors like Black, Blue.


Display

Oppo K9x comes with 6.49 inches, 102.2 cm2 (~84.2% screen-to-body ratio) with IPS LCD, 90Hz, 480 nits (typ), 600 nits (HBM) and resolution of the device is 1080 x 2400 pixels, 20:9 ratio (~405 ppi density).


Memory

The built-in memory is 128GB you can increase your device memory using Micro SD card microSDXC, and 8GB RAM.


Price

Oppo K9x Smartphone has a listing price starting from $229 in the USA, Chicago, Los Angeles, Philadelphia.



Platform

The latest device is powered by MediaTek MT6833P Dimensity 810 (6 nm) which runs on Android 11, ColorOS 11.1 OS. The device has powerful CPU like Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), with GPU Mali-G57 MC2 is also awesome for navigation.


Camera

The primary camera of the device is 64 Megapixel, f/1.7, 26mm (wide), 1/1.97”, 0.7µm, PDAF 2 Megapixel, f/2.4, (macro) 2 Megapixel, f/2.4, (depth), while the secondary camera is 16 Megapixel, f/2.0, 26mm (wide), 1/3.0”, 1.0µm for selfie pictures. The K9x camera features are LED flash, HDR, panorama and video quality of the phone is [email protected], gyro-EIS


Connectivity

The Oppo K9x has Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot with 5.2, A2DP, LE, aptX and Yes, with A-GPS, GLONASS, GALILEO, BDS for best navigation. K9x comes with USB Type-C 2.0, USB On-The-Go USB to connect your device with PC, and it has several sensors such as Fingerprint (side-mounted), accelerometer, gyro, proximity, compass.


Battery

The K9x is equipped with the biggest Li-Po 5000 mAh, non-removable Fast charging 33W, 1-50% in 27 min (advertised) Reverse charging.


On this page, you will learn how to unlock bootloader on your Oppo K9x. Using the bootloader you can install custom ROM, custom recovery, custom kernel, and flash the factory images, etc. The bootloader will help you to unlock your device legally binding, but it will affect the device warranty. Oppo doesn’t allow you to unlock the bootloader. Mostly Android OEM manufacturers lock the bootloader, if you want to install any CUSTOM ROM, you must need to Unlock Bootloader of your K9x. It will void the warranty.


Bootloader Introduction

The Bootloader is a code that always runs when someone power on its device. Some hardware start automatically and gets the boot process then loads the kernel and ramdisk. That is the Bootloader. It allows you to Root your Android smartphone, Flash TWRP and Custom ROM in a simple easy method.

Bootloader Advantages

  • You can install any custom ROM like Lineage OS, Resurrection ROM, etc.
  • You can also root your device.
  • Install a custom recovery like TWRP.

Bootloader Disadvantages

  • After unlocking the bootloader, it voids the warranty of your device.
  • You will no longer receive the official OTA updates.
  • You can brick your device if you do not follow the steps carefully.

Common Things

  • You need a PC/laptop
  • Make sure that your Oppo K9x is charged more upto 70%
  • You need a Micro USB cable to connect your phone with PC
  • Now download ADB and Fastboot Tools and Extract it in your PC
  • Download Oppo USB Drivers

Follow the below steps to unlock the bootloader on K9x

  • First of all, download and extract the latest ADB and fastboot tool in your C:// Drive.
  • Then you need to enable the Developer Options on your Android device.
  • Now Go to Settings –>> System –>> About Phone and press on Build Number 7 – 8 times until you see a toast message “You are now a developer”.

  • how to enable developer option

  • In this step, now open the developer option and enable the OEM Unlock toggle. See the below image:

  • enable the OEM Unlock toggle

  • Under the Developer Options, you need to enable USB Debugging. See the below image:

  • enable USB Debugging

  • If the command show device is unauthorized on your Oppo K9x. Then, you will see a popup message to allow USB Debugging. Please
  • "Always allow from this computer" and press on the OK button.


  • ABD command window

  • Now connect your phone with PC using the original Type C USB cable, and install all required drivers on your Computer.
  • Once it connected, open the ADB folder inside the C:/Drive
  • On your ADB Folder, Open the command window / PowerShell: To open Press the Shift key and Right Mouse click anywhere inside the folder. See the below image:


  • ABD command window

  • First of all, please open window command, now Type the below commands in the CMD and press Enter;
  • adb reboot bootloader

  • The next step is; you can enter the bootloader or Fastboot Method mode on your Oppo K9x device, using the command below.

  • adb reboot bootloader

  • Now your K9x Smartphone is now boot into bootloader mode, if the device is connected properly to Fastboot Method mode, then you need to enter the following command:

  • fastboot flashing unlock

  • If the above-given command does not work then you can try to use the below command:.

  • fastboot oem unlock
  • Now, you will get a confirmation message on your phone screen. You need to navigate to yes and hit the Power button to unlock the bootloader. See the below image:


  • ABD command window

  • If you will not get confirmation message then make sure to download the latest USB Drivers, and follow the above-given steps again.
  • Finally, click on the enter button, and the Oppo K9x Smartphone will show you a warning message about the risks of the bootloader unlocking.
  • If want to unlock bootloader, then you need to confirm with the Volume Key then enjoy unlocked your K9x Smartphone. using the bootloader method.
    Your device will produce a factory reset, and once you must reboot. The device will look the same interface just like the out of box setup.
  • Once you have done, you can reboot your device using the command:

  • fastboot reboot

  • That’s It! Finally reboot your phone and during this, all data will be erased.
  • Using the above-given steps you can unlock the bootloader on your Oppo K9x. You can root your device, and install various MODs, custom ROMs or modify the firmware of your device.
  • Note: The Bootloader unlocking process will affect your Oppo K9x phone data like images, videos, and files. We advise you before start unlocking bootloader you need to create a backup and save it in a safe location.

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