If you are trying to flash Lenovo A5S 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.
Lenovo A5S 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 Lenovo A5S Android smartphone
| Driver Name | Lenovo A5S |
| Package Name | Lenovo_A5S_MT6761_S100_20181015_9.0.zip |
| File Size | 1 GB |
| Get link | Download NOW |
| How to flash | Follow Complete Gudieline |
How to Flash or Install Firmware (ROM)
- Download and extract the Lenovo A5S 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 Lenovo A5S device.