Need 820N Single Sim A51_UL Stock or Original Twrp Backup. Please Help!

Hello everyone,
I'm in Turkey, could you please help me find Android 6.0.1 Rom for my phone ? Info's below:

version: 0.5
version-bootloader: 3.19.0.0000
version-baseband: 01.01.010_U10305041_08.01.50512
version-cpld: None
version-microp: None
version-main:
version-misc: PVT SHIP S-ON
serialno: CC53BYC01900

meid: 00000000000000
product: a51_ul
platform: hTCBmsm8939
modelid: 0PFJ40000
cidnum: HTC__M27
battery-status: good
battery-voltage: 0mV
partition-layout: Generic
security: on
build-mode: SHIP
boot-mode: FASTBOOT
commitno-bootloader: 1be89947
hbootpreupdate: 11
gencheckpt: 0
mfg-name: 1001