4G Network issue in honor 4x after installing custom ROM

[AC Question]

I installed custom ROM on my Honor 4x now having 4g network issue, my jio is detecting but there is no network and service but 2g & 3g is working fine.
I tried with different ROMs lineageOS, cyanogenmod & MIUI now i am using mokee but still getting same issue can someone help me to solve this issue

 

[belodion]

Have you contacted the ROM's developer?

 

[Neeraj Morwal]

Have you contacted the ROM's developer?

how can i contact to ROM's developer?