Gionee A1 Plus Firmware, Flash Rom, Upgrade file, or Flash Rom is download from here, free of cost:
This firmware is 100% tested and working, but use at your own risk.
Upon this page, you will see the official connect to download Gionee A1 Plus Stock Firmware ROM (flash file) on your pc. The Firmware will come in a zip bundle, which contains Flash Document, Flash Tool, USB Drivers, How-to and Flash Manual.