ZTE T84/Telstra Tough Max - Manual (Page 63)

63
Symptom Solution
My data usage is
excessive
Check Settings > Data usage to determine
which apps are consuming your data. Google+
can use large amounts of backup data. Review
under Google+ > Options > Settings
ERROR MESSAGES
Message Solution
No SIM Card
Check a valid SIM card is inserted.
See the Getting Started section
Enter PIN code
You have set a SIM PIN. Please enter your SIM
PIN code.
Enter PUK code
Contact your Service Provider to get the PUK
code
Enter Unlock Code
Contact your Service Provider to obtain the
network unlocking code.