Question about T-Mobile Dash Smartphone

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Phone shuts off after sim card is in.

I have a problem with my T-mobile Dash. The phone has no problem when the sim card is not in. But once i put my sim card in, than in a few sec it turns off and everytime i turn it on, it shuts off again. This is a big problem for me and i need help please.

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  • wk2004 Jan 10, 2009

    Chevy10az, thanks for your help. but i just found out after playing with it that, when its plug it to the charger its doesnt shut off, but if the charger is off, than it dies in a few sec. I think it could be the better. But after it shuts off i can turn it again. So its hard to say if its the better or not.



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  • 19 Answers

Take battery out, put sim card in, be sure its facing the right way, then put in battery next charge phone fully, then try to turn on. If it doesn't work, take back to where you bought it.

Posted on Jan 10, 2009


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Puk for blue dash 4.0

PUK Code
PUK stands for Personal Unblocking Key. This is a unique eight-digit code specific to your SIM card. This is required when the PIN number to unlock your mobile phone is entered incorrectly 3 times. You are then given 10 attempts to enter your PUK code. If an incorrect PUK code is entered after the 10th attempt, you will block your SIM card permanently and will require a new SIM card from your mobile phone provider.
PUK codes can be obtained through the following ways - The PUK code is in your SIM card documentation Starter Pack. If you do not have this then - Please contact your phone service provider.
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Hi you can use codes to unlock the mobile .to get the unlock codes visit here
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This will fix it:

Turn the phone off, remove the battery for a minute. Replace the battery.

Hold down the right and left soft menu keys simultaneously then press the power button for a couple seconds and release. Keep holding down the soft keys until the hard reset screen displays.

The reset screen will tell you to press 'Send' to reset or any other key to cancel. Press and hold 'Send', which is the button with the green phone on it. After a couple seconds, the device will start to do its thing.

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Don't worry, you won't lose your branding (e.g. if you are a tmo customer, you don't lose the ability to have myfavs and your phone keeps the tmo branding/settings).

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