This is v2.0 official firmware for Cherry Mobile Flare J2s, which is based on Android 6.0 (Marshmallow).
SP Flashtool is required to flash the firmware MTK firmware, and Research Download Tool for SPD variant. So, after downloading either of the flash files from below, follow flashing instructions at post end to learn how to flash the ROM or download the required flashtool.
Mediatek (MTK) Firmware
Spreadtrum (SPD) Firmware
File Name: SP7731GEA_HDR_H750_6.0_Cherry_ Mobile_Flare_J2S_111216_V1.0_Fl are_J2S.rar
Size: 741 MB
Firmware – Download
How to flash Flare J2s ROM
You already know by the now the tool you need to flash the firmware package you download. Click here to download and learn how to use SP Flashtool, for the MTK firmware.
Or click here to follow the flashing instructions for the SPD firmware.