Give me a good reason to put the new SIM card in - T-Mobile Samsung Galaxy S II SGH-T989

Is there any reason to put the new SIM card that came with my phone in? I put in the same one that I've been using for years (Dash->G1->G2->SGS2) and it works fine. 4G shows at the top of the screen. I haven't tried a speed test yet, but I'd bet I get 4G speeds the same way I did on my G2.
So, what good reason is there?

Right now, there is no reason. When the wifi calling becomes available it will require the new Sim.
Sent from my SGH-T989 using xda premium

do you have some sort of sentimental connection to that sim? why not just use the new one to make sure yoour up to date?

Where did you guys find the new sim card? Is it in the plastic wrapper with the manual/user guide? I don't see it in the box and I haven't opened up the plastic wrapping the manual/user guide is wrapped in. Fyi I did buy my phone from a T-Mobile.
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Lucas155 said:
Is there any reason to put the new SIM card that came with my phone in? I put in the same one that I've been using for years (Dash->G1->G2->SGS2) and it works fine. 4G shows at the top of the screen. I haven't tried a speed test yet, but I'd bet I get 4G speeds the same way I did on my G2.
So, what good reason is there?
Click to expand...
Click to collapse
I replaced my five yr old sim card with it because my old one seemingly caused some bad 3g data issues. I found this out by swapping sim cards with a friend who just signed with T-Mobile and an SGS2. I replaced my old one with the one that came with the SGS2 and now I'm not only seeing improved 3g speeds but also better call reception.
Sent from my SGH-T989 using Tapatalk

Quick question, my sim is about 3 months old. Will it work with wifi calling when it is released or is the SIM in the box even more "updated" than a 3 month old sim?

mikea3000 said:
Quick question, my sim is about 3 months old. Will it work with wifi calling when it is released or is the SIM in the box even more "updated" than a 3 month old sim?
Click to expand...
Click to collapse
No, the GS2 and Amaze 4G are the first phones to shop with the new sim cards.
Sent from my SGH-T989 using Tapatalk

You need new Sim in order to get ota updates.
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quest4fire said:
You need new Sim in order to get ota updates.
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Click to expand...
Click to collapse
Are you sure about this? where Did you get this information? sounds a bit unrealistic that ota. Uupdates are tied to the sim in the box.

mikea3000 said:
Are you sure about this? where Did you get this information? sounds a bit unrealistic that ota. Uupdates are tied to the sim in the box.
Click to expand...
Click to collapse
They aren't. They are tied to IMEI's. Two things you really need it for; 1. If you want to use WiFi calling after the maintenance update in a couple weeks, you will absolutely have to have this SIM card. No questions. It will not work. 2. After time, the older SIM cards will fail. This could lead to data access, call drop, sms sending/receiving and signal issues. If you have one now to activate, saves you a call and a trip to the local store for a replacement.

In the tmobile system we have 2 classifications of Sims. 2g (your dash) and 3g (hspa+).. make your conclusions
Sent from my SGH-T989

Lucas155 said:
Is there any reason to put the new SIM card that came with my phone in? I put in the same one that I've been using for years (Dash->G1->G2->SGS2) and it works fine. 4G shows at the top of the screen. I haven't tried a speed test yet, but I'd bet I get 4G speeds the same way I did on my G2.
So, what good reason is there?
Click to expand...
Click to collapse
Actually the new Sim is a completely new revision designed for the high speed 4g network. It also has the gold contacts in a different design which is part of it look at old and new Sims if you don't believe me. I forgot the name of the new Sim but its what was taught and explained for tmobile techs (tier 2 and up support). Also most stores do not have this Sim revision in yet so use the one supplied in your box. 90% of most tmobile employees have no idea about the new Sim and only guess when asked.
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mbernusg said:
In the tmobile system we have 2 classifications of Sims. 2g (your dash) and 3g (hspa+).. make your conclusions
Sent from my SGH-T989
Click to expand...
Click to collapse
Your dash? The dash also later came in a 3g version. Also hspa+ is our 4g version and hspa is 3g.
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that 90% is a little exxagerrated.. we have trainings on the subject
Monk4Life said:
Actually the new Sim is a completely new revision designed for the high speed 4g network. It also has the gold contacts in a different design which is part of it look at old and new Sims if you don't believe me. I forgot the name of the new Sim but its what was taught and explained for tmobile techs (tier 2 support). Also most stores do not have this Sim revision in yet so use the one supplied in your box. 90% of most tmobile employees have no idea about the new Sim and only guess when asked.
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Click to expand...
Click to collapse
Sent from my SGH-T989

Not trying to be rude but your part of the 90% I was referring to.
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Yes but the similar supplied by the company during that time was our 2g sim.. the 3g sim didn't come till ppst-g1 era.. and still inventory of Sims were mixed
Monk4Life said:
Your dash? The dash also later came in a 3g version.
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Click to expand...
Click to collapse
Sent from my SGH-T989

How do you come to that conclusion.. the size and shape of the gold has changed multiple times over the last few years so your point is invalid.. TECHNICALLY the only difference with new Sims for our device and amaze is for the new WIFI calling network. As of Nov 12 wifi calling will not work on our phones with older sim cards
Sent from my SGH-T989

Yes but those were different revisions and also had a different contact design. Please I am not arguing with you but I am correct on this matter.
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Lol OK lets not argue
Monk4Life said:
Yes but those were different revisions and also had a different contact design. Please I am not arguing with you but I am correct on this matter.
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Click to expand...
Click to collapse
Sent from my SGH-T989

mbernusg said:
How do you come to that conclusion.. the size and shape of the gold has changed multiple times over the last few years so your point is invalid.. TECHNICALLY the only difference with new Sims for our device and amaze is for the new WIFI calling network. As of Nov 12 wifi calling will not work on our phones with older sim cards
Sent from my SGH-T989
Click to expand...
Click to collapse
I don't know what idiot told you that is all it was designed for and I doubt that was sent from us at corporate. What's your name T-Mobile associate? You can pm me and I will look it up tommorrow to show you what you should have learned correctly. Also per tmobile policy which you signed when hired you need to remove the tmobile associate title on your xda account credentials if you are a tmobile employee.
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Related

***T-Mobile GAB Sim Card***

So ive been doing researches cuz i would like to get my "WIFI Calling" to work...
So i called T-mobile to see they had a solution for me...
And this is what they said:
They told me that the Normal Sim Card i have is not supported to use WIFI Calling.....
So the guy said that i need to buy a "GAB SIM CARD" that supports WIFI Calling and its price is $20
I even Google it to see how they look but didn't find it...
What do you guys think?
Should i buy it or is there another way to do it without buying this SIM CARD
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I had to get a new one for it to work as well.
Sent from my SGH-T989 using XDA
That's bull****, they should have updated your SIM card when you bought the phone off of them unless of course you didn't buy it from them
jwalker279 said:
I had to get a new one for it to work as well.
Sent from my SGH-T989 using XDA
Click to expand...
Click to collapse
Hey but how much did you pay for yours?
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romny19 said:
Hey but how much did you pay for yours?
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Click to expand...
Click to collapse
That's funny. Both of mine came with their new SIM card. I don't know why they're charging you for one.
Beefvvl said:
That's funny. Both of mine came with their new SIM card. I don't know why they're charging you for one.
Click to expand...
Click to collapse
I called... But tomorrow ima go to the store and ask for one acting like if they were free to see if they give me one lol
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sim cards are and should be free from t-mobile. go to your local store.
BUT, when you got your phone (if you bought it from t-mobile) it should have come with a sim card, that supports wifi calling. That's what I had to do, had them activate the sim that came with my galaxy s2, and then started using it instead. and bam wifi calling
It sounds like you went to a dealer.
Not every t-mobile store is operated by t-mobile. Many of them are dealer stores that charge whatever they want.
Dealer stores are usually pre pay only, but there are some authorized to collect commission off contracts and that have access to t-mobiles "quickview" account software. (Quickview is the system the infamous SOC codes are set up in.)
A lot of dealers incorporate sleazy practices and do not conform to the standards set by t-mobile. They do things like charge egregious amounts of money on SIM cards, and may not honor the return polices set by t-mobile. They also sell lots of "out of production" phones they get at good deals ex. Lg-g2x for under 240 dollars wholesale and resell for over 550.
Call t-mobile and ask for a corporate store, not a dealer store.
T-mobile seems to allows this since "money is money"
As for the SIM card I don't think it has anything more than you're IMSI and your half of the encryption cypher, (for establishing a network connection) and some limited memory regarding contacts and previous network connection frequencies . . . The fact that your SIM card did not support wifi calling is most likely because t-mobile identified it a a card not to allow access to for whatever reason. I don't believe there is a technical deficiency in you're old SIM preventing such a technology, or support in you're new one for that matter.
But then again, I am no expert. If anyone knows more please share.
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They give you free sim cards at the tmo store. I've already went and got 2 of them for free
Thanks guys!!!!
Thats good info and ima go today
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I got it for free at the store.
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jwalker279 said:
I got it for free at the store.
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Click to expand...
Click to collapse
I had to pay $20 :/
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romny19 said:
So ive been doing researches cuz i would like to get my "WIFI Calling" to work...
So i called T-mobile to see they had a solution for me...
And this is what they said:
They told me that the Normal Sim Card i have is not supported to use WIFI Calling.....
So the guy said that i need to buy a "GAB SIM CARD" that supports WIFI Calling and its price is $20
I even Google it to see how they look but didn't find it...
What do you guys think?
Should i buy it or is there another way to do it without buying this SIM CARD
Sent from my SGH-T989 using xda premium
Click to expand...
Click to collapse
I just went into the store and told them I needed a new sim card because mine wouldn't work with wifi calling. 5 minutes and no money later I had a new SIM
casper200519 said:
I just went into the store and told them I needed a new sim card because mine wouldn't work with wifi calling. 5 minutes and no money later I had a new SIM
Click to expand...
Click to collapse
Nice dude. same thing happened to me few months back. Customer service wanted to charge me, along with the website. But the local store just gave me one like it was Christmas.
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romny19 said:
I had to pay $20 :/
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Click to expand...
Click to collapse
Why would you pay for it? They are free
Because TMobile likes to get every dime they can. Usually they are free in the corporate owned stores.....franchises have the option to charge
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tjbiker031 said:
Because TMobile likes to get every dime they can. Usually they are free in the corporate owned stores.....franchises have the option to charge
Sent from my SGH-T989 using XDA Premium; powered by the Darkside.
Click to expand...
Click to collapse
Oh, you went to one of those...that sucks
romny19 said:
I had to pay $20 :/
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Click to expand...
Click to collapse
Initially they told me $20 too...but I explained to them in a very gruff voice that I give them over $200 a month and I am completely done with my contract and would be happy to switch carriers. Manager came out and gave me the SIM. Since that day I always go to that store and the Manager normally sweetens my purchase with a discount on what I buy.
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romny19 said:
I had to pay $20 :/
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Click to expand...
Click to collapse
Wow dude you got burned I've gotten so many sim cards for free from tmobile is crazy.
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shnn2011 said:
As for the SIM card I don't think it has anything more than you're IMSI and your half of the encryption cypher, (for establishing a network connection) and some limited memory regarding contacts and previous network connection frequencies . . . The fact that your SIM card did not support wifi calling is most likely because t-mobile identified it a a card not to allow access to for whatever reason. I don't believe there is a technical deficiency in you're old SIM preventing such a technology, or support in you're new one for that matter.
But then again, I am no expert. If anyone knows more please share.
Sent from my SGH-T989 using Tapatalk 2
Click to expand...
Click to collapse
T-Mobile is actually using new type of SIM cards - GBA cards that allow WiFi calling via the SIM, and the device must support it as well - you must have a GBA SIM and a compatible device for this type of WiFi calling to work.
If I remember correctly, only the Galaxy S2 and the HTC Amaze support WiFi Calling through the SIM, rest of the devices have it using the app.

No Data

I took my sim card out of my iphone 4s and put it in an ATT SG3 and im not getting a data signal. Any Ideas?
akatypes said:
I took my sim card out of my iphone 4s and put it in an ATT SG3 and im not getting a data signal. Any Ideas?
Click to expand...
Click to collapse
Are both boxes for data checked? Have you rebooted? Did you flash a kernel?
Sent from my SGSIII
Did not flash yet, trying to set up a stock ATT SG3. Tried a factory reset and still nothng
daddymatt said:
Are both boxes for data checked? Have you rebooted? Did you flash a kernel?
Sent from my SGSIII
Click to expand...
Click to collapse
I have no idea. But a guess would be due to the fact the iPhone SIM is not an LTE SIM. AKA, not compatible with your phone.
Yes need a new sim card. If not in LTE area you can use the HSDPA APN and get 3g speeds.
Sim won't matter, if your coming from an iPhone and didn't change your plan changes are if you look on your s3 its trying to use PTA but you aren't setup for it yet. If you change it to WAP or PHONE it should work or call att change your plan then PTA will work
Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
The answer to this question is simple...and you could have easily searched to find the answer....iphone needs iphone data plan gs3 needs lte data plan...the mini sim is standard...there isnt a special iphone sim etc....next time try searching.....
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Call at&t and tell them to switch you to a lte plan. Done.
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Ah, makes sense. I thought it would at least get 3G service but i guess not. No worries. Ill call them today.
You should be getting at least 3g. Check your apn settings.
Sent from my SGH-I747M
How about even simpler .. if phones are locked.. ATT locks phones to sim card and it won't work with a different one unless you unlock it.
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You DO need a new sim card. This happened to my friend a few days ago.
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IPhone and androids use a different data plan. You need to get switched to an android data plan.
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If your sim is blue and white, you need a new one. If it's orange, your fine. Just call and have them switch you from the I phone data to the lte data plan.
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Imei tracking

My question is simply, can att track my phones Imei even if I don't give it to them? Like, say I put a different SIM card in my phone. Would att know it was my phone being used with that SIM?
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family682guy said:
My question is simply, can att track my phones Imei even if I don't give it to them? Like, say I put a different SIM card in my phone. Would att know it was my phone being used with that SIM?
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Click to expand...
Click to collapse
I am pretty sure the imei is the phone i.d. of itself, and putting a sim card into it....ATT will still be able to track. What are you trying to do?
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Then why do they always ask for the Imei of the phone when you set it up? I'm just curious as to if they can look up a phones imei just by it being on the network.. because I had a blackberry and then an inspire and when I put my SIM into the inspire, I realised I had no data. I called att and the lady told me it was because they used different data plans and then promptly asked for my imei. A few minutes later I had data on my inspire but I slapped the same SIM into another phone and the data worked just fine without att needing the phones imei.. curious.
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family682guy said:
Then why do they always ask for the Imei of the phone when you set it up? I'm just curious as to if they can look up a phones imei just by it being on the network.. because I had a blackberry and then an inspire and when I put my SIM into the inspire, I realised I had no data. I called att and the lady told me it was because they used different data plans and then promptly asked for my imei. A few minutes later I had data on my inspire but I slapped the same SIM into another phone and the data worked just fine without att needing the phones imei.. curious.
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Click to expand...
Click to collapse
There are different data plans for different types of smartphones. When I worked in phones iphone data, blackberry data, and Android data were all different, but iPhone data would work with other iphones and so forth.
They can track it on their network and block it. Just happened to a guy who bought one from CList and got hosed.
Yes, they can track the IMEI just by putting your sim card in and connecting to the network.
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thacounty said:
There are different data plans for different types of smartphones. When I worked in phones iphone data, blackberry data, and Android data were all different, but iPhone data would work with other iphones and so forth.
They can track it on their network and block it. Just happened to a guy who bought one from CList and got hosed.
Click to expand...
Click to collapse
But I placed the SIM from the inspire into an iPhone 3g I was working on and it was pulling data?
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family682guy said:
But I placed the SIM from the inspire into an iPhone 3g I was working on and it was pulling data?
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Click to expand...
Click to collapse
It isn't supposed to, maybe it has changed. It has been a little over a year since I worked with them. Either way, they can track their phones imeis.
Alright, well thank you to all who answered. I appreciate yalls help.
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BlackBerry phones use a data plan called BIS. Which is needed for them to use cell data.
Androids and iPhones use regular data. You can switch sims between them if they're the same sims.
Now, withe different phones running on different networks, I believe you have to switch sims. Like if you have an LTE phone you can't use it on a UMTS phone.
And yes, your IMEI gets tracked whenever you use data.
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IMEI gets tracked even when your phone connects to network, not just when you make calls or use data... its like a unique identifier of your phone over the network.

moving from verizon to sprint

I'm wanting to join my fiance's plan on sprint. I have a verison galaxy s3 currently. Am I able to just flash a sprint rom and have them activate it on the sprint network, or will I need to get a new phone when the time comes? I really don't want to have to get a new one with that expense if I don't have to.
udrunner said:
I'm wanting to join my fiance's plan on sprint. I have a verison galaxy s3 currently. Am I able to just flash a sprint rom and have them activate it on the sprint network, or will I need to get a new phone when the time comes? I really don't want to have to get a new one with that expense if I don't have to.
Click to expand...
Click to collapse
This thread will likely be moved over to the Q&A section.
As far as I'm aware, it will not work like that. You most likely will have to get a new phone.
udrunner said:
I'm wanting to join my fiance's plan on sprint. I have a verison galaxy s3 currently. Am I able to just flash a sprint rom and have them activate it on the sprint network, or will I need to get a new phone when the time comes? I really don't want to have to get a new one with that expense if I don't have to.
Click to expand...
Click to collapse
Have to get a new phone. Verizon uses sim cards for their LTE phones while sprint doesn't.
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udrunner said:
I'm wanting to join my fiance's plan on sprint. I have a verison galaxy s3 currently. Am I able to just flash a sprint rom and have them activate it on the sprint network, or will I need to get a new phone when the time comes? I really don't want to have to get a new one with that expense if I don't have to.
Click to expand...
Click to collapse
You will need to get a new phone and welcome to the Sprint family
Sent from my SPH-L900 using xda app-developers app
Yeah? Everyone already answered. I would say to sell your phone on Craigslist and buy a sprint gs3. Welcome!
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daniel4653 said:
Yeah? Everyone already answered. I would say to sell your phone on Craigslist and buy a sprint gs3. Welcome!
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Click to expand...
Click to collapse
True could go on craigslist and ask for trades
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evo4gnoob said:
Have to get a new phone. Verizon uses sim cards for their LTE phones while sprint doesn't.
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Click to expand...
Click to collapse
Incorrect. Sprint uses a SIM for their LTE as well (all the carriers do). It's just embedded and not visible. Doesn't really matter to O.P, as he/she would need to get a Sprint phone anyway.
LordLugard said:
Incorrect. Sprint uses a SIM for their LTE as well (all the carriers do). It's just embedded and not visible. Doesn't really matter to O.P, as he/she would need to get a Sprint phone anyway.
Click to expand...
Click to collapse
Come on that's splitting hairs..a SIM card is recognized as removable to allow portability of a device from one account to another (or even carrier to another) just by swapping the SIM card. Let's not confuse the guy. Sprint SGS3 does not have a SIM card, it has an imbedded chip. Otherwise it would be no issue but having the right sized screwdriver to remove and swap a Sprint 'SIM card' with a Verizon one. The hardware is different, thus you cannot do this.
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luna_c666 said:
Come on that's splitting hairs..a SIM card is recognized as removable to allow portability of a device from one account to another (or even carrier to another) just by swapping the SIM card. Let's not confuse the guy. Sprint SGS3 does not have a SIM card, it has an imbedded chip. Otherwise it would be no issue but having the right sized screwdriver to remove and swap a Sprint 'SIM card' with a Verizon one. The hardware is different, thus you cannot do this.
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Click to expand...
Click to collapse
No it has a sim card
Just unremovable
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---------- Post added at 10:02 PM ---------- Previous post was at 09:59 PM ----------
daniel4653 said:
No it has a sim card
Just unremovable
Sent from my SPH-L710 using Tapatalk 2
Click to expand...
Click to collapse
Its like saying samsungs battery and htcs are different. One is embedded and the other is removable. Same ****.
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daniel4653 said:
No it has a sim card
Just unremovable
Sent from my SPH-L710 using Tapatalk 2
---------- Post added at 10:02 PM ---------- Previous post was at 09:59 PM ----------
Its like saying samsungs battery and htcs are different. One is embedded and the other is removable. Same ****.
Sent from my SPH-L710 using Tapatalk 2
Click to expand...
Click to collapse
Technically it's not the same, they have the same function but an embedded sim looks more like a chip soldered to the board and not an SD cardish shaped card. They serve the same function but do it slightly different. Kind of like a car and a truck, they both have 4 wheels and serve the same purpose (transportation) but they technically aren't the same thing. The main difference is removable sims are easily reprogrammed, while an embedded sim isn't(has to be detached from the board and put in a special reader that unlocks the programming function). I guess embedded sims would be considered more secure than a removable from several standpoints. User standpoint its not easily swapped out with another in the event of theft, and the data stored on it isn't as easily accessible to a thief. From the carrier standpoint its not as easy to reprogram and impossible to swap so the device can be unlocked to work on another carrier.
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luna_c666 said:
Come on that's splitting hairs..a SIM card is recognized as removable to allow portability of a device from one account to another (or even carrier to another) just by swapping the SIM card. Let's not confuse the guy. Sprint SGS3 does not have a SIM card, it has an imbedded chip. Otherwise it would be no issue but having the right sized screwdriver to remove and swap a Sprint 'SIM card' with a Verizon one. The hardware is different, thus you cannot do this.
Sent from my SPH-L710 using xda app-developers app
Click to expand...
Click to collapse
Sorry, you're wrong.
Whether hairs are being split or not, this statement "Verizon uses sim cards for their LTE phones while sprint doesn't." is factually wrong. Sprint does use a SIM for their LTE.
Like someone else pointed out, would you say that one phone with a non-removable battery DOES NOT TECHNICALLY use a battery versus a phone with a removable battery, just because etc etc...?
...and what would swapping a Sprint SIM with Verizon achieve? Sprint's LTE is on 1900mhz and Verizon is on 700mhz? You do realize that...
LordLugard said:
Incorrect. Sprint uses a SIM for their LTE as well (all the carriers do). It's just embedded and not visible. Doesn't really matter to O.P, as he/she would need to get a Sprint phone anyway.
Click to expand...
Click to collapse
I know it has a built in sim card which cannot be removed so I basically consider it not having a sim card if I can't remove it and swap it out with another
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Hey wait, before you transfer, stop. Sprint is the WORST connection in the country currently. Verizon is much better connection wise all around. I would personally stick with it and have your gf join yours.
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Can i switch to a Japanese carrier?

I see this as unlikely, but would i be able to bring my phone to japan and place it on one of their carriers? Ive read they use cdma, but how much does that matter when it comes to radios or bands? I just bought this phone and found out a week later i will be moving there in november. Not too happy about this since i paid retail for this beast.
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tamathdb said:
I see this as unlikely, but would i be able to bring my phone to japan and place it on one of their carriers? Ive read they use cdma, but how much does that matter when it comes to radios or bands? I just bought this phone and found out a week later i will be moving there in november. Not too happy about this since i paid retail for this beast.
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It's called unlocking and basically unlocks your phone so it can use any carrier. Now it's illegal in the US but call up your provider ask and for the unlock code anyway. Say you have to go there in a couple of day and you need to use the phone. Normally they'll give it to you via email and the instructions are included in the email. All you would have to do after you unlock the phone is replace the sim card and you'll all good to go. Now don't go online and buy the unlock codes from websites because most of them are scams and even though some might work, its not worth giving them your credit card number and then be in deep yogurt. Hoped this helped
soccerfan6789 said:
It's called unlocking and basically unlocks your phone so it can use any carrier. Now it's illegal in the US but call up your provider ask and for the unlock code anyway. Say you have to go there in a couple of day and you need to use the phone. Normally they'll give it to you via email and the instructions are included in the email. All you would have to do after you unlock the phone is replace the sim card and you'll all good to go. Now don't go online and buy the unlock codes from websites because most of them are scams and even though some might work, its not worth giving them your credit card number and then be in deep yogurt. Hoped this helped
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Sounds great except these don't have removable sim cards.
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tamathdb said:
Sounds great except these don't have removable sim cards.
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If they don't have removable some cards then....I have no idea, sorry. Maybe call them up anyway and ask. But wait, what phone are you using? It can't be the nexus 10.
I will assume he has a sprint galaxy note 2 because he posted in this section.
sent from MY BAD A$$ ET4G
patrao_n said:
I will assume he has a sprint galaxy note 2 because he posted in this section.
sent from MY BAD A$$ ET4G
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Right
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You can probably get kddi mobile in japan to add your esn for you. I'm almost positive they use the same 3g frequency as sprint, however I doubt you'll be able to get lte.
I like to break stuff!
-EViL-KoNCEPTz- said:
You can probably get kddi mobile in japan to add your esn for you. I'm almost positive they use the same 3g frequency as sprint, however I doubt you'll be able to get lte.
I like to break stuff!
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I sure hope so! Thanks for the answer, I'll look in to it.
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tamathdb said:
I sure hope so! Thanks for the answer, I'll look in to it.
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If kddi won't add the esn, you could get a cheap phone thru them and flash your note with cdma ws or find another mvno that will add it. Now that sprint and softbank are looking at a partnership I think softbanks carrier's will accept sprint phones for Americans that come over without too much hassle. Japan has a large cdma network (largest outside of US) and use the same frequencys and sprint as vzw so 3g should be no problem and neither should finding someone to add your esn over there. They're pretty good about letting Americans use their own devices when they come over.
I like to break stuff!

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