I'm facing 3 major issues on cherry Honor 4x mokee latest tomorrow

I’m facing 3 major issues on cherry Honor 4x mokee latest tomorrow
1.as I’m Indian user Jio 4g voice software not detecting sim card
2.no onscreen navigation bar option existing on to Rom
3.no root access contain in the Rom as it is inbuilt on mokee7.1.2 which is way better than 8.1

Install Magisk.