Here you will find Stock Firmware ROM (flash file) for Calme S15. The Flash Tool, USB Driver and Flashing Instructions has been included.
[*] Model: Calme Spark S15.
[*] Chipset: Mediatek MT6572.
[*] Flash Tool: Smart Phone Flash Tool.
Download Calme S15 Firmware (Flash File)
Software Version: ALPS.KK1.MP7.V1
Android Version: v4.4.2 (Jelly Bean)
File Size: 377 MB
File Extracting Password: amazefileV1
How To Flash Firmware
Step-1: Download and extract the Calme S15 firmware on your computer.
Step-2: Install Mediatek MTK USB driver (skip if already installed).
Step-3: Open SP Flash Tool and load the MT6572 Scatter file from downloaded software folder.
Step-4: Click on Upgrade / Download button in Flash Tool for begin the flashing.
Step-5: Turn power off your device connect it to Computer using USB.
Step-6: Now wait until during the flashing process after done you will be see Download OK.
[*] The Stock ROM (Firmware) help to recover OS upgrade, dead issue, user security lock, and any software related problems. At flashing process your all user database will be remove. Take a backup before flashing your device.