Help Need Starmobile FS Evo1 Firmware

[smilegsm]

MODEL: Starmobile FS Evo1
VERSION: Starmobile FS Evo1
BOARD ID: Starmobile FS Evo1
PLATFORM ID: sc8830
OS VERSION: 4.4.4
BUILD ID: KTU84P
BUILD VERSION: Starmobile_FS_Evo1_V09_09292017
PRODUCT: sp9820w_6c20
HARDWARE: sp9820w_6c20
BASEBAND: FM_BASE_15C_W17.26.2_P1|sc9820w_modem|08-30-2017 11:06:42
(GSM)RIL VERSION: android reference-ril 1.0

i need the firmware of this phone also if some one know how to root this phone without firmware
i try all root method but not working