Hello sir even after update I am not able to see that RIL in volte settings in engineering mode, please help me on this .

Hi Rudraksh,

After doing setting changes in engneering mode for volte enabling it worked but after restart all setting gone , I have updated to new version Flyme 5.1.11.0G , I dont no why volte settings done in engneering mode will go away after restart, please guide me

why we have to do it again and again , it has to save the setting once we do  , but again and again means it annoyes. so please suggest any other method