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Cingular Mobile Unlocking Instructions And Guides:

Cingular SYNC (Red) Unlocking Instructions

Warning: Do not enter any wrong unlock unlock codes on your Cingular SYNC (Red) mobile phones. If you enter over a certain amount of wrong unlock codes on your mobile phone, your phone may get hard locked and sometimes become unusable.

1. Switch ON your Cingular SYNC (Red) with a Not ACCEPTED SIM Card.
2. If your Cingular SYNC (Red) asks for a PIN code, then enter your SIM card PIN and press OK.
3. Cingular SYNC (Red) will ask to enter an "unlock code".
4. Enter Unlock Code we send to you.
5. Your Cingular SYNC (Red) is now unlocked.

*NOT ACCEPTED : We mean, to use a Sim card from a network other than the network your Cingular SYNC (Red) is locked to.

Each Cingular SYNC (Red) mobile phone has an unique unlock code. You can buy the unique unlock code for your Cingular SYNC (Red) mobile phone at
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