I'm not a who is create this rom, so i'm only give you a link and source from mobilecity.vn
Link download: F8131_41.2.A.2.199-7.1.1G_1304-8417-UK_R3D_MANHIT.ftf
This rom can be use for SOV33, SO-04H, 502SO
This is stock rom removed MODEM, OEM, BOOTLOADER v.v.v
It base on F8131 7.1.1 firmware, make sure you flash it on nougat stock firmware of your devices.
Link download: F8131_41.2.A.2.199-7.1.1G_1304-8417-UK_R3D_MANHIT.ftf
This rom can be use for SOV33, SO-04H, 502SO
This is stock rom removed MODEM, OEM, BOOTLOADER v.v.v
It base on F8131 7.1.1 firmware, make sure you flash it on nougat stock firmware of your devices.