This is imei repair for lava iris 65 on android version 8.1
1. Root using Magisk..........follow this guide to root
https://romprovider.com/2018/10/lava.../#Must_Require
2. After rooting download and install shortcut master app
https://shortcut-master-lite.en.uptodown.com/android
now in shortcut master app hit the three dots on the upper right corner, then hit search and type imei, then hit phone services and hit launch, now write imei and restart.