If someday your Koolnee Rainbow appears suffering issues, tend not to overreact! Just before you start searching for fussy glitches in the Android operating system, you should try to do a Soft and Hard Reset of your Koolnee Rainbow. This modification can be generally simple and will often resolve issues that can affect your Koolnee Rainbow.
Just before performing any of the operation below, bear in mind that it is important to create a backup of your Koolnee Rainbow. Albeit the soft reset of the Koolnee Rainbow is not going to be responsible for data loss, the hard reset is going to erase all of the data. Generate a total backup of the Koolnee Rainbow with its application or perhaps on the Cloud (Google Drive, DropBox, …)
We are going to commence with the soft reset of your Koolnee Rainbow, the most simple solution.
How to Soft Reset your Koolnee Rainbow
The soft reset of the Koolnee Rainbow will let you to correct simple complications such as a clogged apps, a battery that heats, a display that stop, the Koolnee Rainbow that becomes slow…
The approach is going to be very simple:
- Concurrently press the Volume Down and Power button until the Koolnee Rainbow restarts (about 20 seconds)
How to Hard Reset your Koolnee Rainbow (Factory Settings)
The factory settings reset or hard reset is without question a more radical option. This procedure is going to clear off all the information of the Koolnee Rainbow and you are going to obtain a mobile phone as it is when it is manufactured. You will need to save your principal data such as your pics, emails, chat, movies, … on your pc or on a hosting site such as Google Drive, DropBox, … before starting the hard reset procedure of your Koolnee Rainbow.
To retrieve all your data after the reset, you can actually backup your documents to your Google Account. To do that , go to:
- Settings -> System -> Advanced -> Backup
- Activate the backup
Once you generated the backup, all you need to do is:
- System -> Advanced -> Reset options.
- Erase all data (factory reset) -> Reset phone
You have to enter your security code (or PIN) and soon after it is made, choose Erase Everything.
The Koolnee Rainbow is going to remove all the data. It is going to take a short time. Immediately after the operation is completed, the Koolnee Rainbow is likely to reboot with factory setup.
More ressources for the Koolnee brand and Koolnee Rainbow model:
- How to block calls on Koolnee Rainbow
- How to take screenshot on the Koolnee Rainbow
- How to root Koolnee Rainbow
About the Koolnee Rainbow
The dimensions of the Koolnee Rainbow is 69.8 mm x 140.0 mm x 8.5 mm (width x height x depth) for a net weight of 150 g. The screen offers a resolution of 720 x 1280px (HD) for a usable surface of 70%.
The Koolnee Rainbow mobile phone makes use of one Mediatek MT6580A processor and one ARM Cortex-A7 (Quad-Core) with a 1.5 GHz clock speed. This smartphone doesn’t include a 64-bit architecture processor.
Concerning the graphic part, the Koolnee Rainbow takes advantage of ARM Mali-400 MP1 graphics card with 1 GB. You can actually make use of 8 GB of memory.
The Koolnee Rainbow battery is Li-Polymer type with a full charge capacity of 2400 mAh amperes. The Koolnee Rainbow was unveiled on March 2018 with Android 8.0 Oreo
A problem with the Koolnee Rainbow? Contact the support: