Develop Bugs

***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
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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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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.
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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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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
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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
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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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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
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Oh, you went to one of those...that sucks

romny19 said:
I had to pay $20 :/
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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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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
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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.

Lg Nitro on GoPhone

Is there a way to get data on the LG Nitro using a gophone plan I kno they have the $65 plan now and it comes with 1gb of data but before I spend my money I wanna see if its a way I can get data enabled and working well I gotta the icon to come in by changing my apn but the guy who activated my sim says this phone can only get talk and text. Anyone here using a GoPhone plan if so are you getting data? Any help greatly appreciated
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The guy who activated your sim is retarded. If you get the $65/month smartphone unlimited w/1gb data plan your data will certainly work on the Nitro HD since it's an AT&T phone. I personally think that's a monumental waste of money each month, but whatever, it's your decision.

Why do you say that its a waste of money is there a better plan out there
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StraightTalk SIM for $45/mo with a guaranteed 2GB of Data and Unlimited Talk/Text.
It's what I'm running and I love it.

Yea but since I bought the phone off craigslist I can't get the unlock code from at&t doesn't the phone have to be unlocked to use straight talk
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snoopy1e11 said:
Yea but since I bought the phone off craigslist I can't get the unlock code from at&t doesn't the phone have to be unlocked to use straight talk
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AT&T won't give you the unlock code, but you can still acquire the unlock code for your device for under $10 from sites like this one: http://www.cellunlocker.net/lg-unlock.php

Will it still get 4g
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StraightTalk works on AT&T so no unlock. Mine isn't unlocked and works just fine. Also, 4G is there.

So it doesn't have to be unlocked to use a straight talk sim? That's great
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You won't get LTE on Straight Talk, but HSPA+ is still better than nothing. To me LTE is essentially worthless when you only have 1GB.

Lte will blow thru 1gb in one day I'm just trying to make the right decision the ppl at straight talk said I had to unlock the phone 1st then here I hear something different. The guy I bought this phone from got the unlock code from at&t but it doesn't work so I'm kinda sceptical about trying one of those unlock sites but $45 sounds better than $65
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If it's an AT&T Nitro? Then you're fine, just make sure you buy the right sim for AT&T. The person you spoke to didn't give you the correct information. I took a locked AT&T Nitro I bought from Craigslist, stuck the ST Sim in and it works perfect.

I'm going to try that
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Unlock codes for LG's are 99 cents on eBay with misterunlock
I'm sure there are others, but I used that service with both of mine.

Do they sell straight talk sims at wal mart or something
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Unlocked s3 and wanting to switch to prepaid

hey everyone i'm new to this so please bare with me..I have a T-Mobile Samsung galaxy s3 and I got the unlock code off eBay for a pretty cheap price, so far it looks liked it accepted it . I wanted to switch over to net10 or simple mobile. I heard about if not paying my T-Mobile bill they will block the imei number. If so will I be able to use it at all on those carriers I stated, or will I just have to use it on H2o or Att.
Also as far as the apn settings is there an application that will help? Thanks in advance
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Just means u cant use the phone back on t-mobile other company's dont care if the phone has bad record I had and s3 before I got the one I have now it could not work with tmobile because the person that sold it to me did not pay bill but u can use it on att simple mobile net 10 any (gsm) cell phone carriers
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OK thanks a lot. Also I did hear that simple mobile is run by T-Mobile so will it work on simple mobile if Imei is blocked?
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Yeah it will work. Simple mobile doesn't even ask for imei. Only if you want to put it there is the option but its not required
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Ok thanks alot for the info
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To be fair, they're going to know your IMEI even if you don't disclose it to them during the sign-up process. Just by using the phone it will send that information out when you communicate with their cell towers - so I'd imagine if T-Mobile shares its block list with Simple Mobile, it won't matter if you disclosed the IMEI at signup - they're going to know it anyway.
That, and the Big Four is actively working with the FCC on a cross-carrier database - so unless that falls through at the 11th hour, that's on the horizon in the next year or so.
Just sayin'.

What do you mean by the big four carriers is working with the fcc in the next year? Please explain, thanks
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it should work on simple mobile
I've used phones blacklisted by T-Mobile on Simple
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I wonder if it would work with Wal-Marts mobile service since it is just rebranded T-mobile...hmm

Android_Monsters said:
it should work on simple mobile
I've used phones blacklisted by T-Mobile on Simple
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Yeah your right. I just called simple mobile and they said even if it is blacklisted for not paying my bill, it will still work because its an unlocked gsm phone so it wouldnt matter, just pop in my sim card and I would just honestly get edge network which is slower than 3g speed.
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It will work if they don't use T-Mobile IMEI blacklist and continue not to do so.
It seems like that's the case, at least for now.
Just saying, it doesn't have anything to do with if the phone being carrier unlocked or not - IMEI is tied to the phone's hardware, not the SIM card.
I went through something similar with T-Mobile, and most of the reps don't know what the block list is let alone how it works.
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Pennycake said:
It will work if they don't use T-Mobile IMEI blacklist and continue not to do so.
It seems like that's the case, at least for now.
Just saying, it doesn't have anything to do with if the phone being carrier unlocked or not - IMEI is tied to the phone's hardware, not the SIM card.
I went through something similar with T-Mobile, and most of the reps don't know what the block list is let alone how it works.
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Yeah i see that def now.
But wow thats crazy they have this whole imei number blocked thing going around and the workers dont even know whats going on smh. Im so confused as to how this works. Im reading like so many diff things about it.
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Check out Solavei for a mobile plan. Www.howcanisignup.org/10-31
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killj0y said:
I wonder if it would work with Wal-Marts mobile service since it is just rebranded T-mobile...hmm
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Walmart Family Mobile use T-Mobile IMEI blacklist. I had customers that tried to used blacklisted phones on Walmart Family Mobile and they did not work.

Getting my Note 2 running with Straight Talk

Hey team, I have a problem and hope someone can point me in the right direction. I have a T-Mobile Note 2 with Jedi ROM installed. I have just become a Straight Talk customer and cut a Sim card to size and put it in my phone. This is the first SIM to ever be in the phone. When my phone boots up I get an error message saying "Invalid SIM CARD!". The SIM is good as it works in the crappy flip phone Straight Talk sent me.
I go through the steps of entering the Straight Talk APN but when I try to save nothing seems to stick. Help! What am I doing wrong? Since I was on Sprint I never had to deal with SIM cards as this is my first GSM phone ...I feel I am missing something obvious.
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ibleedbloo said:
I feel I am missing something obvious.
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Is your Straight Talk SIM an AT&T or T-Mobile one? Is your Note 2 unlocked? (If not, flash it to the original, pre-LTE update T-Mobile ROM and unlock it using instructions posted on here.)

Boy I just left straight talk because of throttling me with my gs3.
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Thanks for the replys team. I have not 100% solved it yet but I think I'm on the right trail. It looks as if you buy a phone directly from Straight Talk (which i did just to have a cheap backup) they lock the SIM to that particular phone.
I'm heading to walmart to grab a BYOP SIM...hopefully that is my issue.
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Quick update. I picked up one of Straight Talks Bring Your Own Phone SIMs and everything is good now. Thanks for those who helped.
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Live in U.S. going to Ireland

Traveling to Ireland with the wife for three weeks, wondering if there is a easy and cheap way to get my phone to work in Ireland? Buy a burner while I'm there, or unlock my phone and buy mins? What converter for charging can i use without putting a hurt on my phone or battery, Not sure that's why I'm asking, any suggestions are welcomed, thanks.
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blaker13 said:
Traveling to Ireland with the wife for three weeks, wondering if there is a easy and cheap way to get my phone to work in Ireland? Buy a burner while I'm there, or unlock my phone and buy mins? What converter for charging can i use without putting a hurt on my phone or battery, Not sure that's why I'm asking, any suggestions are welcomed, thanks.
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I'd say the easiest way would be to unlock and buy some mins over there (along with one of their carrier's sim card, usually about 10$). That way you don't get charged for roaming.
You might have to flash another modem once you're there but you'll see by yourself if yours is fine or not.

BWolf56 said:
I'd say the easiest way would be to unlock and buy some mins over there (along with one of their carrier's sim card, usually about 10$). That way you don't get charged for roaming.
You might have to flash another modem once you're there but you'll see by yourself if yours is fine or not.
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Do I just goto a phone store there
And ask to buy a sim?
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blaker13 said:
Do I just goto a phone store there
And ask to buy a sim?
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Pretty much. I duno the carriers over there but usually that's what you'd do. Go in, explain you're staying for a couple weeks and wanna use their service. They should sell you a pay as you go sim with some mins.
You can always check with the carriers before hand.

I was in Uk couple a month ago I unlocked my sim card and use 3mobile service it give me unlimeted Data 300 min and 500 text for 15 pound no setup fee just put your sim in the phone and you are ok ( whatsapp & viber and vonage worked perfectly )

Did you use the unlock method in the dialpad? Can I but a sim card online so I'm setup when I arrive? And when I get back I just put my att Sim back in and wallah?
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blaker13 said:
Do I just goto a phone store there
And ask to buy a sim?
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am pretty sure there is a software that unlock your phone for free or send it to a store and they will unlock it with easy costs before going to ireland
its easier to unlock or get service for your phone here in US compared to Ireland..................

winosxbuntu said:
am pretty sure there is a software that unlock your phone for free or send it to a store and they will unlock it with easy costs before going to ireland
its easier to unlock or get service for your phone here in US compared to Ireland..................
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Yea att won't unlock unless my 2yr contact is up, even though I've been a customer for ten yrs(kinda bs in my opinion) I can just unlock through dialpad... was going to get a Sim online, but I guess it's Vodafone, looks like you have to goto a store there.
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Soft unlock works. It's much cheaper to buy a local sim.
blaker13 said:
Yea att won't unlock unless my 2yr contact is up, even though I've been a customer for ten yrs(kinda bs in my opinion) I can just unlock through dialpad... was going to get a Sim online, but I guess it's Vodafone, looks like you have to goto a store there.
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I bought a "3" Ireland sum from someone on eBay for my daughter.. check around.. they are one if the few carriers you can get like 1gb of internet for like 49 bucks.
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