Welcome to bdgsmfile.blogspot.com. here you will found TECHNO SPARK 4 AIR KC1J Latest Firmware Flash File Stock Rom With Flash Tools Drivers And Flashing Manual. install this Firmware Will Be Fixed Your Any Kind Of Software Issue. This All Device running MT6761 Processor. So you need To Flash With SP Flash Tools And USB Drivers.
About Techno Ke5 Flash File:
Name: Techno
Model: Spark 4 Air kc1j 32+3
Cpu: MT6761
How To Flash: Use Sp Flash Tools
Boot Key: Volume Up+Volume Down
Google Drive Download Link
VERSION 1: TECNO-SPARK4-AIR-KC1j-H6114BM-P-210705V304