On this page, you will find the official link to download Lenovo S880i 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 S880i Stock Firmware (flash file)
File Name: Lenovo_S880i_MT6577_4.0.4.zip
File Size: 776 MB
How to Flash: Follow Tutorial