Many, a year after the purchase, want a new smartphone, but there is another way – flashing the device. Our instruction will show How to upgrade CAT S31.
Why do I need to upgrade firmware on CAT S31?
The most basic reasons for flashing devices:
- The mobile device does not turn on;
- The phone often reboots for no apparent reason;
- It is necessary to restore to its previous state. For example, after unsuccessful firmware;
- You are an enthusiast and want to install the latest firmware.
Flashing CAT S31
We will perform the firmware using ZYKUFlasher – This is a free universal program for flashing devices based on the Android operating system. It supports many companies and models of smartphones and tablets. Processors Qualcomm, MTK (Mediatek), Exynos and others. There is protection against “bricking”, I already checked for myself when using the left firmware errors begin to pour in. In general, the utility is useful for both beginners and pros.
Instructions for ZYKUFlasher from official site will give you the opportunity to update the firmware on Android or restore the smartphone from a brick state if it freezes when loading or does not turn on.
Download firmware for CAT S31
On our site you can find and download official firmware versions for free:
- Cyanogenmod – The author recommends as one of the best solutions.
- MIUI from version 8
- Deodex (modified by users)
- AOSP Extended 6.7 and later / earlier versions
- Hydrogen OS
- LineageOS from version 15.1 and higher
- Resurrection remix – offers excellent customization of the appearance of the operating system no worse than Cyanogen
- Flyme OS from version 6 and above
- Odex (factory)
And also update your gadget to:
All archives have a file downloadlist.txt, in which you can see links to everything listed on the firmware page for your device model. Attention, some firmware versions may be different (since the latest version may not always be compatible with your device)
Can only be downloaded downloadlist and checker, look in it for links to the firmware you need and download them.
How to root CAT S31
Perhaps soon I will write detailed instructions for those who need to get root rights, but for now I recommend considering two options for universal and free programs. I used the first of them, following the instructions from the developers site and I was able to get root myself.