Touchscreen QWERTY is referring to the QWERTY keyboard on your touchscreen phone. A QWERTY keyboard is the one that is likely in front of your computer. It's not in alphabetical order like some keyboards.
It means that the phone is switched off.
you need to charge it
Probably
yes it says you can in the manual but doesnt say how
Call him. That's what we used to do before "SMS". And yes I like texting myself, but not until I got a phone with a keyboard or later a touchscreen phone.
They are out of service
He wants to plow you
prohibited
yah of course !
it means she wants you to ask her out.
It means that the network is down.
It means it can not connect or find the thing you are looking for