Motorola G24 用户手册

When the phone or SIM card is locked or blocked, the only accessory operations allowed are 
those found in the list of Core AT commands (allowed while phone/SIM card is locked), shown 
in 

. All other AT commands are not executed, for example, 

accessing phone book entries. However, the phone is still capable of sending asynchronous 
message events via AT responses, for example, incoming call notification.

This command repeats the last command. It is not necessary to press <Enter> after this command.

This command only returns OK.

Repeats last command