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Home > Cell Phone Forums > Carriers Talk > AT&T Talk > Motorola T721 3G doesn't work - What SIM card?

Motorola T721 3G doesn't work - What SIM card?

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rivarun
Antenna Booster Novice
Posts: 4

Phone Model:
T721

Service Provider:
Cingular/AT&T
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Mon Sep 17, 2007 4:40 pm 
I just got a motorola T721. I bought a 3g sim card. After I registered the sim and placed it in the phone, I could not get service. What I have been told is that the T721 is too old for the 3g sim. What kind of sim card do I need? Can anyone help? I've been without a phone for a month. Thanks
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elmo01
Moderator
Posts: 2206

Phone Model:
Samsung SPH-M510

Service Provider:
Bell Canada
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Fri Sep 21, 2007 4:55 am 
have you considered replacing the device . given the situation it it seems the easier solution

rivarun
Antenna Booster Novice
Posts: 4

Phone Model:
T721

Service Provider:
Cingular/AT&T
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Fri Sep 21, 2007 1:09 pm 
elmo01 wrote:
have you considered replacing the device . given the situation it it seems the easier solution

Yeah, I guess thats the way I should go. Thanks

BigRUSS
Flashing Antenna Designer
Posts: 2126

Phone Model:
two cans ( del monte) and some string,

Service Provider:
RussCo
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Fri Sep 21, 2007 1:33 pm 
it would need a 32k sim but its almost impossible to find those elmo is actualy right icon_surprised.gif icon_surprised.gif icon_surprised.gif . shock i know icon_lol.gif icon_lol.gif icon_lol.gif get a new phone

rivarun
Antenna Booster Novice
Posts: 4

Phone Model:
T721

Service Provider:
Cingular/AT&T
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Fri Sep 21, 2007 7:08 pm 
BigRUSS wrote:
it would need a 32k sim but its almost impossible to find those elmo is actualy right icon_surprised.gif icon_surprised.gif icon_surprised.gif . shock i know icon_lol.gif icon_lol.gif icon_lol.gif get a new phone

I can't believe it. I looked on ebay, amazon, etc. NOTHING in 32k. That's crazy. Thank both of you for the info. Is there an affordable cingular/AT&t phone out there that you would recommend that uses a 3G SIM for around 30-50 dollars off Ebay W/O contract?

Cingular is even telling me they can't get a 32K card for two weeks?!

elmo01
Moderator
Posts: 2206

Phone Model:
Samsung SPH-M510

Service Provider:
Bell Canada
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Tue Sep 25, 2007 4:59 am 
rivarun wrote:
BigRUSS wrote:
it would need a 32k sim but its almost impossible to find those elmo is actualy right icon_surprised.gif icon_surprised.gif icon_surprised.gif . shock i know icon_lol.gif icon_lol.gif icon_lol.gif get a new phone

I can't believe it. I looked on ebay, amazon, etc. NOTHING in 32k. That's crazy. Thank both of you for the info. Is there an affordable cingular/AT&t phone out there that you would recommend that uses a 3G SIM for around 30-50 dollars off Ebay W/O contract?

Cingular is even telling me they can't get a 32K card for two weeks?!



sounds like you are looking for a prepaid service.

rivarun
Antenna Booster Novice
Posts: 4

Phone Model:
T721

Service Provider:
Cingular/AT&T
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Tue Sep 25, 2007 10:25 pm 
No, I don't need prepaid. I have service through Cingular/AT&T. I'm just without a matching phone and SIM. Looking for either the right Sim for my phone or right phone for my SIM for around 50 bucks.

BigRUSS
Flashing Antenna Designer
Posts: 2126

Phone Model:
two cans ( del monte) and some string,

Service Provider:
RussCo
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Wed Sep 26, 2007 2:07 pm 
unde $50 w/o a contract not a chance try looking on ebay you can find a good used one, but dont fall for the "its unlocked" trap just get one that is att/cing branded, make sure you see one or the other logos on the picture,

you can buy a prepaid devcie , (not as nice) and use your sim card in it , >>>>>>>IMPORTANT DISCLAIMER WITH BUYING PREPAD PHONE FOR POST PAID SERVICE<<<<<<<<<<<<<< activat the phoen as a prepaid phone , if you do not your libne will be suspended unde suspiton of fraud/use of stollen equipment .
computerslayer
Radiation Shield Addict
Posts: 121

Phone Model:
Blackberry 8820

Service Provider:
AT&T
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Wed Sep 26, 2007 7:29 pm 
BigRUSS wrote:
you can buy a prepaid devcie , (not as nice) and use your sim card in it , >>>>>>>IMPORTANT DISCLAIMER WITH BUYING PREPAD PHONE FOR POST PAID SERVICE<<<<<<<<<<<<<< activat the phoen as a prepaid phone , if you do not your libne will be suspended unde suspiton of fraud/use of stollen equipment .


I'm a little confused: are you saying that a contracted user will be suspended if a pre-paid phone is used with their service? Would you explain that a little further (especially by what you mean in activating the phone, as opposed to the pre-pay service)?

I ask, in part, because I did just that when my phone was stolen. I went in, bought a pre-paid phone & a new SIM card, activated the new card with my (contracted service) and slipped it into the pre-paid phone. I was quite open about what I was doing and never had any trouble with AT&T then or after.

I also ask because I've advised people to do the same thing if/when their phones are stolen (or anytime they're looking for a quick & cheap replacement) - I'd hate to think that I'm steering them down a bad path.

Respectfully,
Jacob M.

BigRUSS
Flashing Antenna Designer
Posts: 2126

Phone Model:
two cans ( del monte) and some string,

Service Provider:
RussCo
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Thu Sep 27, 2007 2:15 pm 
if the prepaid phone is registred on the network and att does a "sweep" you can be suspended und "fraud" ( suspition of using a stollen phone) all you have to do is activate the prepaid phone with the prepaid sim card , once thats all said and done you can then go back to your post paid sim
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