help please for original firmware

[helmi_zr1]

Dear all
could you please help me to proved me the link for stock firmware for my unit

here the details

MCU version:
2018-07-19 16:02:17 SP_(R68)_26_C26DR68_6026D_CAN(ALL)_NEWLAP
here the details

CPU:ARM cortex-A53 EIGHT-CORE 4+32 GB PX5
GPU: POWERVR G6110
DVD VERSION: 2018-03-26 16:08:56 R-86C-0961-NC-NP-A.0-P12S
BT VERSION: BLINK_8723DS
CAN VERSION: UNKNOWN

WI-FI : 00:E0:4C:3C:8C:49