try this https://forum.xda-developers.com/galaxy-s8+/how-to/how-to-volte-jio-india-carrier-usa-t3659238
at INS input your carrier n done it should work
I think this can't be done because of bootloader version are not the same.
Mine is 5, but the...
digitalhigh looks like WiFi issues are gone after 20/07 update. I'll report if it doesn't
What I did was
Install stock 5.0 RUU via hboot sd card (it gives some partition error, ignore it.)
Factory Reset via Stock Recovery
Then RUU again (us...