Frustrated voice fades in, "Right, capital L. No, slash, not backslash. The one that's leaning to the right. Bottom-left to top-right. By the shift key. On your phone? I'm not sure where it is on your phone's keyboard. Ohh, you got it? Ok, the rest is lowercase..."

Sometimes an email or text is better for everyone. But I always split up the info between two bands. Most info in an email and a SMS for the password. Or just have them change it after they log in.