I Need the stock rom for my IPhone 7 Plus Clone

specification shown on mobile

MediaTek MT 6580 1.30GHz
Cores 4
Architecture 4x ARM Cortex-A7 @ 1.30 GHz
Clock Speed 604MHz -1.30 GHz
GPU Vendor - ARM
GPU Renderer Mali - 400 MP
Model - MN4A2ZP/A (iPhone8)
Hardware - MT6580
Screen Size :4.59 in
Screen Resolution 540 x 960 pixels
Screen Density 240 dpi
Total Ram 459 MB
Internal Storage 1.70 GB
Android Version 5.1
API Level 22
Bootloader unknown
Build ID LMY47I test - keys
Java VM ART 2.1.0
OpenGL ES 2.0
Kernel Architecture armv7I
Kernel Version 3.10.72(1516183499)
Root Access No