[Q] Considering moving to T-Mobile from AT&T - General Questions and Answers

I have a Galaxy S III from AT&T and am considering moving to T-Mobile, I know several people who have it in my area and have good service, also I can have my phone and wife's phone with unlimited everything for roughly what I am paying for one phone on AT&T with limits, so seems like a good idea.
T-Mobile lets you bring phones from other GSM services and their website says the GS3 is supported, but I am curious to hear from anyone who has done this and if they had any issues when they did it. Also once switched over would I be able to get OTA updates from T-Mobile (like the 4.1.2 update) or would there be some hangup because it was originally an AT&T phone?

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[Q] Using an AT&T Samsung Focus with a non-Focus carrier...

I bought an AT&T Samsung Focus on eBay with no contract and will probably be getting a plan for it in the future, but I am in Canada. Rogers has Samsung Focuses, but I really hate Rogers, so I would rather get a plan with Bell or Telus.
My question is: If I were to put in a SIM card from Bell or Telus and get a smartphone plan, both of which do not have Samsung Focuses, would I be able to fully utilize all of the features that either company would offer with their smartphone plans even though I would not be able to have a ROM for my phone from them?
In particular, I do not know if the ROMs that they have for the Windows Phones that they offer have any special software that enables certain features to be used. For instance, Bell plans are supposed to come with tethering, but there is no built-in way to handle tethering in Windows Phone 7.
My phone came with some preinstalled AT&T apps, but they all required extra subscriptions for them anyway. If those are the only unique things that ROMs from Bell or Telus would provide, I can do without those.
Thanks.
Well, you won't be able to access Bell/Telus exclusive apps (mostly paid services), but nothing else is really missing.
Further advice.
Make sure your Samsung Focus is unlocked. If not, call AT&T and have your phone's IMEI number in hand.
Go to Marketplace > Samsung Zone and install the Network Profile application.

[Q] Will ATT unlimited dumbphone plan work on international smartphones??

I actually already a Meizu M9 (Android device) since I found it really cheap online($180) I knew the 3G wasn't going to work when I bought it which is fine. I only get EDGE speed which is fine for me since I only occasionally lookup stuff on google and EDGE speed is fine to do that. Also I have WiFi at both home and school and so I can use that to get me the faster speeds if I want.
What I really was wondering about was would I be forced to upgrade to the ATT smartphone plan? I have the $15unlmimted Medianet right now and since my phone only gets EDGE anyways I really don't want to have be upgraded. How does ATT detect the IEMI # on phones? The Meizu M9 is a Chinese branded phone and there are only a handful in the USA currently. Will they be able to tell I am using this phone and will they upgrade me?
Another thing I was wondering was that what are the typical APN codes for Android Smartphones? I am not sure if I have the right ones entered or not.
Here's a video showing you how to set up the APN's for unlocked phones.
Also i'm pretty sure you are ok with your data plan. AT&T has a list of IMEI (Identifiers) from all the phones they sell and if one shows up in their system as a smartphone then they change it but they wouldn't have yours
Please use the Q&A Forum for questions Thanks
Moving to Q&A
Good question, but I think you should talk to ATT.
Can you let us know how you like the Meizu phone? I heard that they make decent phones, but I've never used one myself.
Follow up
Following up on this one. I am also considering buying an ebay M9 instead of a new mtk6575 based china clone. Would love to know if AT&T triggered the smartphone plan or not.
If I get no answer, then I'll come back when I get one of the two and let everyone else know my experience.

[Q] Global HTC One - Verizon

Hello, I have been itching to get my hands on the HTC One. I'm currently with Verizon and am considering buying an unlocked phone. Is it possible to get any One phone and have it work on the CDMA network? How do you do it? If I wait to get the Verizon One, will it be usable on any other networks? I thought about just getting it on contract, but I still have the unlimited data and north America texting so don't want to lose that. Plus, I may move to Canada (telus, Rogers, Bell) so would want an easy out from verizon as well as bring my phone with me.
Thanks

Bought a Phone With AT&T Firm on an Unbranded Device - Having Problems

I bought an S7 on Swappa from a seller that had a pretty good reputation. The phone I paid for was an AT&T branded one (SM-G930A) I noticed that the phone was still on February security patch so I had been calling AT&T to ask why I wasn't receiving updates (still don't have wifi calling etc.). Aside from not getting updates, I was having issues with data too. Long story short I found out that the phone I have is not an AT&T phone (No evil globe logo on the back) yet it still has the AT&T firmware - has the AT&T bloat etc.
I don't really understand what that means or why AT&T cannot seem to figure out what APN settings I should be using. What I want is to be able to get the latest updates from AT&T so that I can use Wifi calling...any help appreciated.

The big ATT 5G scam

So it gets out there....
Apparently AT&T (possibly/probably others) are taking advantage of their network upgrades to force phone sales. I'm currently using an LG V30+ which from what I see of it's specifications is fully compatible with 4G LTE and even 5G NSA and I can see that VoLTE is currently configured too. I've been using it on an AT&T MVNO for years without much issue. When I paid my bill this month, bam! No more data! Over 3 hours with technical support and multiple agents to get my data working again and when asked what the issue was I was told "It's nothing sir just a little update." Last week my MMS suddenly stopped working and nobody has been able to fix it it, the best (only) answer I've received is that my "sim card is too old, it's from 2014, you need a new sim card." Mind you I've had service through this MVNO since 2014 but have since changed the sim card. So obviously I'm tired of this mess right? So I'm switching MVNOs right? Wrong! I go to port my number to another MVNO (Straight Talk) and my "IMEI shows that my phone is not compatible with the new AT&T network". Comment and share.
Edit: Screenshot attached.
I'm also interested in hearing of any comparable phones that are rootable and have TWRP available that show they are compatible this year on an AT&T MVNO. I checked a T-Mobile MVNO and it showed compatible with Mint.
Edit: Look what I found:
These phones will still work on our network after we phase out ... - ATT
https://www.att.com/idpassets/images/support/wireless/Devices-Working-on-ATT-Network.pdf
Confirmed? See the only LG V30 listed is the AT&T version.
been getting this on Verizon both with my LG G6 and even my V50 (which also has 5g but they claim it doesn't)
b1n4ry said:
been getting this on Verizon both with my LG G6 and even my V50 (which also has 5g but they claim it doesn't)
Click to expand...
Click to collapse
Verizon uses a different method and they are all CDMA, so I think first they deny anything that can use a sim, I did some research on this once and came across the information...
Basically only two types of phones are compatible with the Verizon Network...
1. iphones
2. Androids that were made for the Verizon Network.
So if it's not an iphone or a Verizon phone it is not compatible for their network because they say so. But you're not missing anything as they seem to have the worst coverage of the big 3.
1. AT&T
2. T-Mobile
3. Verizon
According to their own coverage maps.
But now AT&T is starting to play the same game? My LG V30+ is a US998. Maybe they allow the AT&T versions?
Edit: Typo and additional info as follows...
Allegedly Apple pays for this privilege if you want to call it that.

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