During my ground school we took a tour of the control tower. The lead flight controller told us outright that if comm is lost, call the tower and ask for a clearance. All they want to do is get everyone on the ground safely. You will never hear me say anything bad about ATC.
I wouldn't go around texting all of the time. Simple rule: do whatever is the safest thing to do. When you are solo, you are pilot in command and you make the decisions.
No worries, for my multi engine training I'll be in the Piper Seminole with the good ole' 6 Pack. It's not all fancy glass here. but that should be about 50hrs of the 250 i'll finish training with so not too bad.