If you are trying to flash Karbonn A90s Stock Firmware (ROM Flash File) [DOWNLOAD] so, I would like to suggest you try the SP flash tool (aka SP Flash Tool).
This application is great for Android and for newbies, SP flash tool is one of the best applications which mainly helps you to flash your smartphone.
Karbonn A90s Flash File
You can easily use these tools to flash almost any MTK (MediaTek IC) based and stock ROM, it also gives custom recovery fixing in some utmost cases alike firmware update and download, unbricks bricked android device smartphone.
Now it is time to try flashing any custom ROM, Stock ROM, on your Karbonn A90s Android smartphone
|Driver Name||Karbonn A90s|
|File Size||417 MB|
|Get link||Download NOW|
|How to flash||Follow Complete Gudieline|
How to Flash or Install Firmware (ROM)
- Download and extract the Karbonn A90s Stock firmware package on your PC and extract.
- After extracting the package, you will be able to see the Firmware file, Flash tool, Driver, and How -to Flash Guide.
- Install the provided USB Driver on your PC if you already have installed then you can also Skip this step
- Follow the How-to Flash Manual to Flash or install teh firmware on Yoru Karbonn A90s device.