[Q] Question about sim card phone switching? - HTC Inspire 4G

My best friend has a crappy Pantech phone and is thinking of buying HTC Inspire 4G for $50 from a guy I work with. Yes he has at&t, but with switching sim card to a non-4G phone to a 4G phone would that be a issue or would that work just fine??

My friend had switched from an iPhone 3g to a Sony xperia play 4g without updating the similar card. It works he just wont reach the speeds for 4g(3.5g) even though it will say he is on it.
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toxicpaulution said:
My friend had switched from an iPhone 3g to a Sony xperia play 4g without updating the similar card. It works he just wont reach the speeds for 4g(3.5g) even though it will say he is on it.
Sent from my Inspire 4G using xda premium
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Not necessarily true, I know there are some out there using 2+ year sim cards who are claiming they are getting 4G speeds. I think even Ze has stated that he uses an old sim card and still gets 4G speeds..

There's a difference between the old sim cards and the 3G cards but no difference after since its not really "4G"
Sent from my Inspire 4G using XDA App

It could have just been his phone(my friends) we don't live in a 4g area but we go to the capital and they have 4g there so I'm unsure and I apologize for any inconvenience
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toxicpaulution said:
It could have just been his phone(my friends) we don't live in a 4g area but we go to the capital and they have 4g there so I'm unsure and I apologize for any inconvenience
Sent from my Inspire 4G using xda premium
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no need to apologize to anyone man! just saying that I don't think the SIM card plays a huge role, if any, on how the data speeds for the phone are. It's typically based upon the network you can connect to which in turn is dependent on the radio, build.prop and all that stuff and not soo much the sim card.

I am using a cingular card. I had it for a few years before ATT more or less took back control and it became ATT again. I don't even have a 4G plan. Picking certain servers on speedtest.net and I have achieved 6000kbps at times.
Your friends concern should be whether he has a smartphone plan or not with that pantech or ATT will make him upgrade his plan to a 4G plan when he uses that inspire.

Related

Will ATT charge me?

I was looking to buy the inspire unlocked from bestbuy. I already have the old data plan 15$ unlimited (grandfathered) + unlimited family messaging. If I pop my sim into the phone will ATT charge me for using an inspire? Even if my rom is changed and my sim card is the old 3g one not the 4g? Thanks
Yes. 10 char
Really? I am using an unlocked european Desire hd right now and they haven't said anything. But it only gets edge. Does that matter?
n4v1n said:
Really? I am using an unlocked european Desire hd right now and they haven't said anything. But it only gets edge. Does that matter?
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Click to collapse
If you can get ahold of an unlocked Telus DHD you can get away with the data plan you currently have.
If you use the Inspire you will get caught since they have record of the IMEI numbers.
They didn't give me a 4g sim card,its still the same 3g card.
Sent from my Desire HD using XDA App
leemoss84 said:
They didn't give me a 4g sim card,its still the same 3g card.
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The 4G SIM is for the upcoming LTE, all current phones use the standard 3G SIM.
I bought mine off contract and I got to keep my 20$ unlimited plan they just had to switch me to the hspa unlimited. At the worst you should only have to pay five dollars more a month.
Sent from my Desire HD using XDA A

Att?

Hey guys could my sim card affect my speeds on att's data network? I have a sim i got about a year ago on a 3g phone, should i go get a new one?
And also, if i pop my sim into an old phone such as a razr and start a basic phone data unlimited pla., and then pop it back into my inapire, would it work at the same speed?
Please help, and please ask if you dobt understand anything!
Sent from my Inspire 4G using XDA App
invalidefexx187 said:
Hey guys could my sim card affect my speeds on att's data network? I have a sim i got about a year ago on a 3g phone, should i go get a new one?
And also, if i pop my sim into an old phone such as a razr and start a basic phone data unlimited pla., and then pop it back into my inapire, would it work at the same speed?
Please help, and please ask if you dobt understand anything!
Sent from my Inspire 4G using XDA App
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Click to collapse
At&t told me I needed a new sims 4g sims
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yokozuna82 said:
At&t told me I needed a new sims 4g sims
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AT&T lied.
I hear that there are 4g sims, but speeds don't seem to be effected by swapping.
The 4G sim card is only for LTE wince HSPA still uses 3G or 3.5G a new sim card will make no difference.
Sent from my Desire HD using Tapatalk
you dont really need a new sim. i am using my sim card from 2006 and i get 3-4Mbps download and 2Mbps upload on the ATT network. sim card really doesnt play into it from what i can tell.
RogerPodacter said:
you dont really need a new sim. i am using my sim card from 2006 and i get 3-4Mbps download and 2Mbps upload on the ATT network. sim card really doesnt play into it from what i can tell.
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agreed, teh rep on teh phone told me it was completely pointless to activate the new sim...
Just got the new sim and did not change my speeds.
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Okay, well what about the plans guys!?
Sent from my Desire HD using XDA App

coming from captivate

Ok so im buying it off Craigslist, I don't need to upgrade my plan or anything right? I can just insert 3g sim and it will work? And also the guy im buying it from says the power button is stuck so it doesn't work. Will that interfere with trying to install a custom rom?
Can pop in the SIM from your Cappy, no problem. Personally, I wouldn't buy it due to the power button issue, you will regret it somewhere down the line.
Sent from my HTC Desire HD using xda premium
What power button issue are you talking about ?? Just curious
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MarkPharaoh said:
Can pop in the SIM from your Cappy, no problem. Personally, I wouldn't buy it due to the power button issue, you will regret it somewhere down the line.
Sent from my HTC Desire HD using xda premium
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I agree you might regret the power button not working, but that being said I believe cm7 has a setting that allows you to use the volume rocker to wake the phone in place of the power button. Depending on how good a deal your getting it might be worth it.
You won't be able to turn on you're phone lol
Sent from my Inspire 4G using xda premium
Destroy and kill this post
Motorola Atrix doing the job for me.
Why would you buy a phone that you can't turn on? How is that a good deal?
And you need the power button to select items in recovery...
You could stick your 3G sim card in and it should work fine. I work for AT&T though and can tell you that you will not benefit though as far as download speeds go because you will be using a 3G sim card in a 4G capable phone. Just swing by an AT&T store and have them issue you a new 4G sim card. Its free and you'll benefit from it.
i wouldnt buy it...att 4g sim...r u kidding me..did u get paid to post that bs
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Ridn2Lo said:
You could stick your 3G sim card in and it should work fine. I work for AT&T though and can tell you that you will not benefit though as far as download speeds go because you will be using a 3G sim card in a 4G capable phone. Just swing by an AT&T store and have them issue you a new 4G sim card. Its free and you'll benefit from it.
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This is exactly what you get from someone that works for ATT. My SIM is about 5-6 years old and I still get around 5M download, 1.5M upload. Matter of fact it is a 64K smartchip cingular SIM. Not even ATT.
jmollabi said:
i wouldnt buy it...att 4g sim...r u kidding me..did u get paid to post that bs
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Ok guys take it easy. He/she probably. Posted that as that is what they know. Most ATT employees don't do much research short of what they are taught in training

Only connecting to 2G

been using my phone for a few months now...but suddently this evening... I lost my 4g and only connects to my t-mobile via 2g. I try going to the settings....and when I select the WCDMA/GSM auto mode...I lose service (no bars)...but when I set to GSM only (2g), then I get good 2g signal....
Any thoughts?
I tried hard reset...nothing working
I have the same issue. True calling T-Mobile, they sent me a new sum card for free.
Sent from my MyTouch 4G Slide using XDA App
gtny930 said:
I have the same issue. True calling T-Mobile, they sent me a new sum card for free.
Sent from my MyTouch 4G Slide using XDA App
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is the sim the problem?
Maybe you went over your data cap and got throttled down to 2G?
giangdude said:
Maybe you went over your data cap and got throttled down to 2G?
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Click to collapse
I check my usage.. I'm only at 105mb...my cap is 2GB with 2g after the 2gb
Tmobile is most likely having network issues where u are. Try doing a battery pull and sim card pull. Wait 2 mins then put both back in. if that fails its a network issue.
Sent from my HTC Doubleshot using xda premium
Yeah, I had that happen when I first got the phone. It turned out to be something funky going on with my account on the corporate level. So that makes me think it's not the phone and you're due for a call with Big Magenta.
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I thought it was big pink.
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So I called T-moblie
They said they will send someone out by wednesday to take a look at what's wrong with the signal...i'm like????
no internet for 5 days?
kreizyidiot said:
So I called T-moblie
They said they will send someone out by wednesday to take a look at what's wrong with the signal...i'm like????
no internet for 5 days?
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Click to collapse
That's BS. Bring it to a T-Mobile store.
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Just have the store put a sim card in and see if that clears up the problem.
Sent from my MyTouch 4G Slide using xda premium
its a good idea to just have an extra SIM in your desk in case you need to swap it out.
Update radios?
A sales rep at Tmobile told me something about updating the radios
Ripcn said:
A sales rep at Tmobile told me something about updating the radios
Click to expand...
Click to collapse
Try a different T-Mo SIM first to be sure. There are RUU's out there, just easier to work out the easy solutions first...
Same Issue (No solution)
Hey guys im having the same issue as OP and just wanted to piggy back ride for this thread. I recently bought the mytouch 4g slide for a wopping $25 by the person that i am and rooting i quickly rooted the mytouch and installed cyanogenmod. To my dismay i only receive Edge network before and after rooting i was wondering is it the phone it self as in APN settings or is it just plan old phone ?
Death818 said:
Hey guys im having the same issue as OP and just wanted to piggy back ride for this thread. I recently bought the mytouch 4g slide for a wopping $25 by the person that i am and rooting i quickly rooted the mytouch and installed cyanogenmod. To my dismay i only receive Edge network before and after rooting i was wondering is it the phone it self as in APN settings or is it just plan old phone ?
Click to expand...
Click to collapse
Maybe T-Mobile finally moved on from the 3G bands designed for that phone.
Unless you are not getting data at all, then you have some APN's to set. Or... some older CM (IIRC) didn't have 3G.
Sent from my ASUS_Z00AD
Face this issue with the HTC Glacier months back. They have removed the 3G & 4G basebands from their towers. The only way possible is by unlocking the other bands with the "Qualcomm band unlock" mod/hack here on XDA

Samsung Infuse on Simple Mobile Network. Can't get 3G.

Okay guys, on the day I got my Infuse I thought I give it a try and put it on the Simple Mobile 3G network. So what ticks me is that I'm always stuck on a 2G network with a big "E" on my status bar. I even called Simple Mobile customer service and they said they can't fix that. Dammit, there has got to be some way to bypass AT&T. Help me out guys. Thanks.
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kmeng9 said:
Okay guys, on the day I got my Infuse I thought I give it a try and put it on the Simple Mobile 3G network. So what ticks me is that I'm always stuck on a 2G network with a big "E" on my status bar. I even called Simple Mobile customer service and they said they can't fix that. Dammit, there has got to be some way to bypass AT&T. Help me out guys. Thanks.
Sent from my SAMSUNG-SGH-I997 using xda premium
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Click to collapse
that's just a prepay plan on t-mobile. the infuse will need an att or similar sim card. t-mobile has unique frequencies and features on there network. it is not att's fault. edge only is typical with att phones. try strait talk, they sell sims now and you can specify att compatible.
Yeah...nothing you can do except switch carriers...go to straight talk, its $45 a month for unlimited everything, just go to there website and order an att compatible sim.
Your pretty much guaranteed to get edge when using an att phone on t mobile, simply because they run in differnt cell frequencies or whatever you wanna call it
Sent from my HTC PH39100 using Tapatalk 2
mg2195 said:
Yeah...nothing you can do except switch carriers...go to straight talk, its $45 a month for unlimited everything, just go to there website and order an att compatible sim.
Your pretty much guaranteed to get edge when using an att phone on t mobile, simply because they run in differnt cell frequencies or whatever you wanna call it
Sent from my HTC PH39100 using Tapatalk 2
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Hey thanks guys, I appreciate the info. Now that I know, yeah I guess that sounds like a best solution is to just switch carriers. Then again I feel that I made a mistake by buying an Infuse. Dammit, should of gotten the Galax Epic 4G and flashed it to Cricket. But yup thanks guys.
I've been told you cant get 3g because the Infuse is a 4g phone. That could also be an issue as well. I ran into that problem when att had to replace my captivate with my infuse. This is what they told me.
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oxendine9381 said:
I've been told you cant get 3g because the Infuse is a 4g phone. That could also be an issue as well.
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That's not the issue at all...for one thing, the infuse isn't even real 4g...it runs on hspa+, hspa is 3g...so when you have "H+" you have 4g...when you have "H" you have 3g...when you have "E" you have edge/2g
These phones are backwards compatible...if they wernt then you would constantly lose data signal
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