Question about Samsung SGH-U600

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The off line mode is on top of screen,

Cannot make calls or do anything
says limited service when i now put in new sim card from o2.
the sign is blue handset with red slash throuth it.
i was abroad for 3 months and could not use this phone.
please can u advice
thanks

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All samsung no sarvise

Posted on Feb 03, 2009

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My O2 Atom on normal mode binks in blue colour and there is a missed call or sms blinks in orange (or red). from yesterday it blinks in green on normal mode. Can you please tell me why? Anything wrong?


The notification lights indicate:
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Continuous Red - Charging

Blinking green when your GSM (phone) is on is the expected behavior.

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When I put my sim card in the phone is says invalid sim card. What do i do to fix this?


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Can you please provide me with the PUK code for my phone please?


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NO Service


The only thing I can really think of is that ATT might be going through a transition right now from Edge to 3G.

The other option is to have a new sim card burned for your number. Call ATT, if need be put your sim card in another phone and call them, and have them burn you a new one. Does your sim card work in another persons phone?

Blackjack 2 is a windows mobile device 6 and it might need reflashed (set it back up). If there is no physical damage (you know no water damage, just has a few scratches, take it back to the store. you have 30 days to take it back, upgrade or new, its 30 days

I know this is not a fixya, but the only thing i could think of. try your sim in another device before u do anything

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You need to contact Orange, is the only way to get the PUK.
Here is general Orange website.
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Once you get the number phone them, they will ask phone number and model number and give out your puk code.
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