Here you will find the direct link to download Stock Firmware for your Lava Iris 400S Android Smartphone. The zip package included with Flash File, Flash Tool, USB Driver, and how-to Flash manual instructions. This device running on Android v4.2.2 Jelly Bean version which is manufactured by MediaTek MT6572 CPU. Use SP Flash Tool for flash Firmware on this device.
[*] Chipset: MediaTek MT6572.
[*] Driver: MTK USB Driver.
[*] Flash Tool: Smart Phone Flash Tool.
Download Lava Iris 400S Firmware (Flash File)
Build Number: Lava_iris_400s_S113_20140721
Android Version: v4.2.2 (Jelly Bean)
Download Size: 415 MB
How To Flash
Step 1: After download the zip package then extract the Firmware.
Step 2: This flashing process required to install MTK VCOM Port USB Driver.
Step 3: Open SP Flash Tool and select the scatter file from downloaded flash file.
Step 4: Connect your device to the Computer and start the flashing.
[*] The flashing process can erase the devices full ROM, before starting flash please make a backup for your important data.
[*] After installing Firmware on your Lava Iris 400S device it will startup with a Factory Default condition. Firmware flashing on your device help to recover Software related dead issue, remove security and upgrade the operating system.