Here you can download Kimfly firmware or flash file for the Model Kimfly A15, which has SPD SC6531 CPU and can be flash with SPD Upgrade Tool. The below is the direct link to download Kimfly A15 flash file, download the flash file on your Computer and flash the Kimfly phone.
Download Kimfly A15 Flash File:
File Name: MOCOR_12B_6531.W13.07_Release_20150921_135936_FullFlash.bin
File Size: 8MB
Download From: Google Drive Link
Downloads:
Password for the Zip File = firmwarefiles.blogspot.in