Zte Telstra Flip 4 - Error Messages and Solutions; Common Error Message Handling

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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. This device is locked to Telstra.