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Samsung Galaxy Note 4 International Version

Hello,I am currently working in China and would like to purchase a Samsung Note 4 to use while I am here.  I will be returning to the U.S. at the end of the year, and I would also like my new phone to work with my current AT&T contract back in Minnesota.  The specs for the phone are:2G (GSM) GSM850,

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835

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Horrible service in the last couple months.

When I first signed up for AT&T it was becuase it was the only carrier that I could receive service in my home with. However, in the last couple months it has become the worst cell service I've ever had, I can't even receive or send text messages in my home. I've missed very impor

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81

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Help! I've tried every APN setting and still no 4g!

11-14-2017 I bought a new 2013 Sony Xperia ZL C6506 online, and got a new SIM from the local AT&T store. The phone has all of the frequencies (bands 1,2,4,5,17) that AT&T uses for broadband data.  I've tried numerous APN settings but the phone only shows the "H" and speed test results are pitiful.  

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595

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Calls cut out consistently on 2mo old zFold 5 after recent Update

I bought a new zFold 5 in late January 2024 and it is already glitching. The voice calls cut out consistently on both speaker and regular voice. This appears to have started when the 6.1 Update was installed a few days ago. I cannot use my phone for any voice calls unless connected to a headset. Is

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37

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Can't use data

My sim card status reads "unavailable" due to no provisioning website. How do I fix this problem?

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37

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Unlocked Note 4 won't connect to 4G LTE

I have a GSM unlocked Verizon Note 4,model number SM-N910V.  I have changed and verified the APN. I also verified it is compatible with the AT&T 4G LTE signal. However, I cannot get it to connect to any mobile network beyond 3G and H. What can I do to make it connect?

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533

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Disconnected Network

I have bought the Z988 for about 1 month, and my sim card is prepaid card. Recently, I often can't  get network! I found if my phone show 4G and lte, I can use the data; however, often my phone only show 4G, so I can't connect network. I often need several hours to wait for the sign of lte appearing

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219

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Sony Xperia Z3 D6653 on ATT LTE 4G

I just got this phone and Im starting to think I got the wrong model.  I setup the ATT APN manually and I only get H and H+.  I don't ever see 3G or 4G or LTE on the screen.  Looking through several posts it seems that this model (D6653) does not have Band 17 so it will never do 4G LTE?  Can anyone

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1.6K

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Samsung Note 8 migrated from Verizon to AT&T - Won't stay on LTE

I brought my very new Samsung Note 8 phone over to AT&T about three months ago.  For three weeks, everything was working great.  4G LTE all the time. Then it started dropping down to "H" and "H+", out of LTE, and staying there until I restart the phone.  After restart, it returns to LTE for anywhere

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1.9K

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New SIM activation

I'm trying to Activate a new SIM into my phone

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25

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5G Phone/Plan Capabilities

So, my iPhone 12 Pro is 5G capable, I have a 5G unlimited plan. My wife has a iPhone 12 Pro Max, also is 5G capable on the same 5G unlimited plan. My phone signal (on cellular) works in most places, my wife can be standing beside me and her phone will have little or no coverage. I thought mayb

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53

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Samsung Note 4 NEVER ON LTE, only on "H" or "H+"

I have a Note 4 now (which I just got) and coming from a Nexus 6P. Long story on why I made this move...but with the 6P, I was able to get LTE speeds and now with my Note 4, I can only get H or H+ speeds. I got the sim changed to a micro sim (what the note 4 uses), got the IMEI registered and been t

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979

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Concerning ATT error code USIM9991 when trying to manage ATT account for iPad cellular data

I was unable to purchase another 3 months of cellular data. USIM9991 kept appearing.  I called 1-800-288-2020, the ATT customer service number.  I was connected with a tech who worked tirelessly to solve this problem. She was successful.  Here is the answer. Type att.com/ipadlanding

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120

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MR6500 Port forwarding Not working

Despite what it shows in the MR6500 WebUI, neither Port Forwarding nor Upnp opens the port of the device inside the private network. I can access the device's port (in my case 31500 for the HTTP service) from within the private network (10.0.X.X:31500) with no problem. But when I'm trying to reach t

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74

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Billing codes

When reviewing my account I noticed that there is a Charge on 3 of my 5 lines for DATA SOC! What is this for? It’s never been on there before and if it’s normal then why ain’t it on all 5 Lines! Another question is how in the world do I remove all the devices listed under each phone number for e

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351

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How to turn off the Garbage 5g

Trying to turn off 5g completely because when it connects my phone basically goes into airplane mode... can't find where to turn it off on my s21 ultra. Went to settings > connections > mobile networks thed there's no options for it

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72

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Cant activate my Galaxy watch, need some help please!

This is kind of a long post but bare with me as I think the context is needed So today I went to the AT&T store to change around some things. First, we switched the plan from a older family plan with a shared data bucket to both lines having unlimited data because we kept having overages. Second

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28

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Can I use LTE Internationally on my iPhone 5s?

I bought an unlocked iPhone 5s from At&t in US. Now I'm in Shanghai China and LTE will be soon available here. But I was informed by the at&t official website that the iPhone 5s you sell support only 4 LTE bands (2,4,5,17). So I want to know if it will support more LTE bands since it's unlocked. Tha

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8.8K

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Does World Connect feature work the same way when account holder is in France calling/receiving calls FROM the U.S.??

Does the WORLD CONNECT feature on an account holder's AT&T line allow the account holder to contact the U.S. and be contacted from the U.S. while the account owner is physically located and working in another country - specifically France?? Thanks in advance any and all help!

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108

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SIM card not able to connect to network...

I recently bought a replacement phone from amazon, I have my ATT sim card in the phone. I cannot connect to the AT&T network though. I search for and attempt to connect to networks and i get the message "Your SIM card does not allow a connection to this network".I just spent a ton of money on the ph

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