Koolnee Rainbow Stock ROM Firmware File (DOWNLOAD)

Koolnee Rainbow Stock ROM Firmware is now available for download and You can download it below. by using this firmware you can solve all software Issues within your Koolnee Rainbow such as hang-on Logo, FRP lock, fastboot Mode, display blank or white after flash, dead recovery, dead after flash, etc.

Download Koolnee Rainbow latest flash file from gsmdroid.net and flash your phone for removing all screen locks and fix hang on logo problem. always use latest firmware for flash.Koolnee Rainbow flash tool required login credential to run, if you don’t have then contact me for flash.

All the following Koolnee Stock ROM (zip file) contains the original Koolnee Rainbow USB Driver, Flash Tool, and the Firmware File.

After Downloading the firmware, follow the instruction manual shipped with the firmware to flash or install firmware on Koolnee Rainbow.

Koolnee Rainbow

FREQUENTLY ASKED QUESTIONS

What is Koolnee Rainbow Firmware?

Firmware is an operating system that helps you to navigate through your Koolnee Rainbow. Meanwhile, it includes all the UI/UX with another major functionality. Likely, it has been used to operate your device accomplished with hardware—furthermore, the Firmware for mobile is typically known as Flash ROM that installs on your device memory. A Rom, in this case, is referred to as the firmware of the Koolnee Rainbow phone. It is nothing but an operating system. Users of the phone can install custom ROMs.

A Koolnee Rainbow Stock ROM/Firmware is official software that is designed by the Koolnee for a particular device. A Truly Stock ROM is one type that does not undergo any cosmetic/functional changes in the code by the hardware manufacturer. The “stock ROM” comes installed on the phone or tablet at the time of buying, given by the device manufacturer. Stock Rom has one that doesn’t undergo any modifications that are done in a custom ROM.

What Problem Will Be Solved By Koolnee Rainbow Firmware?

You may also have encountered problems when using the Koolnee Rainbow: Lack of official language, Touch problem, camera failure problem, Bluetooth problem, battery problem, SIM card problem, WiFi problem not working on Koolnee Rainbow, problem not receiving SMS Koolnee Rainbow, baseboard problem Koolnee Rainbow, internet problem Koolnee Rainbow and … for your phone, which can be solved with the official Koolnee Rainbow firmware.

In this post, the Koolnee gsmdroid.net team decided to prepare the official Koolnee Rainbow firmware to fix such errors and other errors that occur for the Koolnee phone. It should be noted that the official Koolnee Rainbow flash file is the latest build Released by Koolnee for the Koolnee Rainbow.

On Koolnee Rainbow, you can go to Settings> About Device> Build Number in the settings section to view the build number and device.

The officialKoolnee Rainbow firmware does not have any manipulation and there are no problems with stopping various processes and services in this firmware. If there is an update, you will be able to receive updates from within your ROM, which you can update without losing your data.

What is Advantages of Koolnee Rainbow Stock ROM?

  • Unbrick the device.
  • Upgrade or downgrade Mobile OS.
  • Fix OTA update issue.
  • Koolnee Rainbow Firmware Provides Official Original File Which Is Provided By Koolnee Company With Timely Updates.
  • Fix a problem with the Koolnee Rainbow startup loop.
  • Fix bugs on your Koolnee Rainbow phone.
  • Fix Lag or Stuttering on the device.
  • Fix battery drain issue. Software performance improvement.
  • Returning a stock ROM entitles the warranty on the phone.
  • Koolnee Rainbow firmware is updated every day so that the firmware of Koolnee Android device is always latest and updated.

Is Koolnee Rainbow Stock ROM Free?

Yes. The Koolnee Rainbow Stock ROM is 100% free since the KoolneeMobile community officially releases it for Koolnee Mobile users.

Is Koolnee Rainbow Stock Firmware (Flash File) Safe?

Yes. The Koolnee Rainbow Stock Firmware (Flash File) is 100% safe for the Computer, laptop, and Koolnee device. Furthermore, since the KoolneeMobile community officially releases the driver, it’s 100% safe & secure to use on the Computer.

Download Koolnee Rainbow SStock ROM (Flash file)

The stock firmware (ROM) helps you to re-install the Mobile Operating System on your Mobile Device. It also allows you to fix the Mobile device if it has any software error, IMEI, bootloop, and a mobile dead issue.

ROM File Name: Koolnee_Rainbow_MT6580_20180410_8.1.0-(GSMdroid.NET).zip
ROM File Size:631 MB
Download Flash Tool:SP Flash Tool for Windows | SP Flash Tool for Linux
How-to Flash (install):Follow Tutorial
Get ROM Link

How-To Flash or Install Koolnee Rainbow Firmware (ROM)

  1. Download and extract the Koolnee Rainbow Stock Firmware package on the computer.
  2. After extracting the package, you will able to get Koolnee Rainbow Firmware, FlashTool, and Driver.
  3. Install the Koolnee Rainbow USB Driver (if in case USB driver is already installed, then SKIP this step).
  4. Follow the How-to (install) Manual to Flash or install the Koolnee Rainbow device.
  5. Follow Complete Guide

Readme Please:

[@] Flash Tool: If you are inclined to have a copy of the latest version of SP Flash Tool, then check out SP Flash Tool for Windows or SP Flash Tool for Linux page.

[@] Backup: We recommend taking a backup of your data from the 4KK44 device, as flashing or installing the ROM using the Flash Tool will permanently delete your data from the device.

From Koolnee you can download the firmware ROM of all the latest models of the Koolnee device.
Do not use this firmware on any other Koolnee devices. this stock Firmware fit only for your Koolnee Rainbow device. The ROM file on this page is the official ROM file published by the company:

Hopefully, We believe that you have now able to Download Koolnee Rainbow Flash File Firmware | Software Update. Thanks for being with us, We would like to know your valuable opinion and feedback if there is any query share with us in the comment section down below. Stay tuned for further updates in the future on the same.

 

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