Here in this page you can download Kimfly Z8 firmware and flash the phone. Kimfly Z8 Spreadtrum SPD SC6820 firmware download link and flashing guide. This flash file zip package includes firmware, flash tool, SPD USB Driver and IMEI Rebuilt Tool. Download Kimfly Firmware from the below link and you can match the flash file details below.
Kimfly Z8 Flash File:
Model: Kimfly Z8
CPU: Spreadtrum SC6820
File Size: 236 MB (After Extract)
Download: From Google Drive Link
Download:
Kimfly Z8 Flash File
Download the above Kimfly flash file or firmware and flash the Kimfly phone with SPD flash tool.