Asus AST21 Basic Manual page 55

• Do not insert an au Nano IC Card (LTE) with a conversion
adapter attached into the product. Doing so might cause a
fault.
◎ If the au Micro IC Card (LTE) is installed incorrectly or if there is
some problem with the au Micro IC Card (LTE), an error
message will be displayed.
◎ Do not lose the au Micro IC Card (LTE) after it has been
removed.
Installing the au Micro IC Card (LTE)
Turn off the product before installing the au Micro IC
Card (LTE).
a
Insert the SIM eject pin (sample) into the
hole on au Micro IC Card (LTE) tray until
the tray ejects slightly, and then slowly
pull the tray straight out
Getting ready 53