On this page, you will find the official link to download Lenovo A858 Stock Firmware ROM (flash file) on your Computer. Firmware comes in a zip package, which contains Flash File, Flash Tool, Driver and How-to Manual.
Download Lenovo A858 Stock Firmware (flash file)
File Name: Lenovo_A858_MT6752_S211_141210.zip
File Size: 865 MB
How to Flash: Follow Tutorial