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Home > Cell Phone Forums > Manufacturers Talk > Motorola Talk > Unlocked v600 - Unregistered SIM Problem

Unlocked v600 - Unregistered SIM Problem

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Eyenovation
Antenna Booster Novice
Posts: 4

Phone Model:
Motorola v600

Service Provider:
Cingular
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Sun Dec 12, 2004 4:34 am 
I recently purchased an unlocked AT&T v600 to use on the Cingular Network. I have recently began getting 'Unregistered SIM' messages on my phone. The problem seems to rectify itself if I power cycle the phone.

My question is:

1.) Is this a network problem, a SIM card problem, or a Phone Issue?

2.) Is there a fix for this, through firmware perhaps?

3.) Considering AT&T and Cingular are now merged, would it be crazy to stop by a Cingular store? Or do they frown on unlocked phones from different providers?

Any insight would be greatly appreciated.
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Old_Fool
Moderator
Posts: 2118

Phone Model:
If it's locked, ican unlock it. If you brick it, I can fix it

Service Provider:
Tmobile
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Sun Dec 12, 2004 9:30 am 
Eyenovation wrote:
I recently purchased an unlocked AT&T v600 to use on the Cingular Network. I have recently began getting 'Unregistered SIM' messages on my phone. The problem seems to rectify itself if I power cycle the phone.

My question is:

1.) Is this a network problem, a SIM card problem, or a Phone Issue?

2.) Is there a fix for this, through firmware perhaps?

3.) Considering AT&T and Cingular are now merged, would it be crazy to stop by a Cingular store? Or do they frown on unlocked phones from different providers?

Any insight would be greatly appreciated.


May i ask where did you bought the fone? It's could be that this fone is tolen and now nework are blocking it (barr is the word for this i think)
try to do master reset, if that not work you may have to try to flex it and flash it. Or i would just talk to cingular, tell them what wrong and ask to check see if the fone is hot or not

Eyenovation
Antenna Booster Novice
Posts: 4

Phone Model:
Motorola v600

Service Provider:
Cingular
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Sun Dec 12, 2004 3:40 pm 
I bought it off eBay from a reputable seller. I doubt it's stolen, but I guess you never know. It was brand new in a box, so I'm not sure.

I'm a total novice here, so can someone explain to me what 'flexing' a phone really does. What advantage does new firmware have over the existing one?

coolguy
Radiation Shield Addict
Posts: 82

Phone Model:
v220

Service Provider:
ATTWS
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Sun Dec 12, 2004 5:12 pm 
It sounds to me like it is a sim card problem or someone could have reported it stolen. People do that on ebay. They sell the phone then once they get the money they report it stolen. Thats why you chould never buy phones off of ebay.

Eyenovation
Antenna Booster Novice
Posts: 4

Phone Model:
Motorola v600

Service Provider:
Cingular
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Sun Dec 12, 2004 5:24 pm 
coolguy wrote:
They sell the phone then once they get the money they report it stolen. Thats why you chould never buy phones off of ebay.


I suppose it's possible, but this guy has over 1000 sales, with 98% positive feedback. I sincerely doubt it's a hot phone.

Does anyone know the ongoing effects of the v600 problems and Cingular's network?

coolguy
Radiation Shield Addict
Posts: 82

Phone Model:
v220

Service Provider:
ATTWS
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Sun Dec 12, 2004 5:28 pm 
Try searching google for it or you can probably go to cingulars website and go to faq's or something like that and theyw ill tell you. If I were you I would search google for cingular problems.

Old_Fool
Moderator
Posts: 2118

Phone Model:
If it's locked, ican unlock it. If you brick it, I can fix it

Service Provider:
Tmobile
Reply with quote Report post to Moderator
Sun Dec 12, 2004 7:51 pm 
Eyenovation wrote:
I bought it off eBay from a reputable seller. I doubt it's stolen, but I guess you never know. It was brand new in a box, so I'm not sure.

I'm a total novice here, so can someone explain to me what 'flexing' a phone really does. What advantage does new firmware have over the existing one?


First i would recommending return for another one.
Flash and flex is meanning change firm and softwares just like you upgrade your pc form win 98 to xp instead you upgrade your fone.

Eyenovation
Antenna Booster Novice
Posts: 4

Phone Model:
Motorola v600

Service Provider:
Cingular
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Sun Dec 12, 2004 7:52 pm 
I understand the concept.
I'm just wondering.. how do I check the current firware version, and what does the latest offer the current one does not?

Thank you.

duceduc
Gadget Maniac
Posts: 2122

Phone Model:
iPhone Unlocked

Service Provider:
Cingular - Extended
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Sun Dec 12, 2004 8:32 pm 
Eyenovation wrote:
I understand the concept.
I'm just wondering.. how do I check the current firware version, and what does the latest offer the current one does not?

Thank you.


Check flash/flex version:
Goto menu, settings, phone status, other information.....

coolguy
Radiation Shield Addict
Posts: 82

Phone Model:
v220

Service Provider:
ATTWS
Reply with quote Report post to Moderator
Sun Dec 12, 2004 10:45 pm 
duceduc wrote:
Eyenovation wrote:
I understand the concept.
I'm just wondering.. how do I check the current firware version, and what does the latest offer the current one does not?

Thank you.


Check flash/flex version:
Goto menu, settings, phone status, other information.....

Not all phones have that listed that way btw.
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