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Telstra Flip 4

Proprietary OS
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I can't start my phone

The phone lock code is turned on

Turn use of phone lock code on or off

Press the Navigation key.
Select Settings.
Select Phone Settings.
Select Security.
Select Screen lock.
Select PIN.
Key in the required phone lock code and press the Navigation key.
Repeat the selected phone lock code and press the Navigation key.
Select Screen lock and key in the current phone lock code.
Press the Navigation key.
Select None.
Press the Navigation key.
Press Disconnect to return to the home screen.
  • 1
    Find "Screen lock"
    • Press the Navigation key.
    • Select Settings.
    • Select Phone Settings.
    • Select Security.
    • Select Screen lock.
  • 2
    Create phone lock code using a PIN
    • Select PIN.
    • Key in the required phone lock code and press the Navigation key.
    • Repeat the selected phone lock code and press the Navigation key.
  • 3
    Turn off use of phone lock code
    • Select Screen lock and key in the current phone lock code.
    • Press the Navigation key.
    • Select None.
    • Press the Navigation key.
  • 4
    Return to the home screen
    • Press Disconnect to return to the home screen.

Did this solve your problem?

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Your phone is locked to Telstra
The SIM is faulty
Your SIM has been permanently blocked
The entered PIN is incorrect
Your phone is network locked to another operator
You're asked to key in the PUK

Can you turn on your phone?

It's important to find out if you can turn on your phone. If you can't turn on your phone, you need to solve this problem first. When the problem is solved, you will most likely also be able to start your phone.

No