Zte A139+ User Manual page 22

* key and # key
They have different functions in different modes or function menus.
Note: In this manual press a key means you press a key and then release it; hold
a key means you press a key and hold on for two seconds or more.
Display Indicators
Signal strength
New message; no space for messages when blinking
New MMS; no space for messages when blinking
Missed call
Alarm clock
Battery charge level
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