Does the LG Stylo 5 compatible with T-mobile network? I got message "No Signal".

Reading on XDA this is happening to a lot of LG’s after a OS update and then it's rolled back to previous version. The solution was to flash current firmware.

are you able to take screen shots of what you are seeing and post them in here?

avoid posting anything with your personal info on it..or anyone elses for that matter.

I had message - Preferred network mode: 22

I get the same message on my tv. Starting to think this T-Mobile internet experiment was a bad idea 

How to find VoLte?

Also check to see if VoLte is turned on. If it's greyed out then it's not compatible with the Tmobile network.

Enter your imei number in the compatibility section TN the link below.

https://www.t-mobile.com/resources/bring-your-own-phone

Model numbet LM-Q720QM