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Text Message from AT&T to Replace SIM

Would you trust a message that says "Hi, It's AT&T. This is a courtesy notice to replace your SIM card before our 3G Voice Network shuts down in February 2022" and it provides a link asking for personal information to get a SIM. It says "Your AT&T Prepaid phone will STOP WORKING". (I did NOT

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2.1K

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Sony Xperia Z3 D6653 LTE

A seller on ebay has the new Z3 D6653 and the product page shows the following bands. Is this phone compatible with AT&T LTE?  2G Network GSM 850 / 900 / 1800 / 19003G Network HSDPA 850 / 900 / 1700 / 1900 / 21004G Network LTE 700 / 850 / 900 / 1800 / 2100 / 2600 Thank you

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12.6K

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What should I do for my new Huawei Mate 20?

I used Huawei Mate 8 with AT&T sim card last year, it didn't get LTE but only "H+", and now I will change my phone to Huawei Mate 20. What should I do additionally to make the best use of this phone with AT&T sim card (for example, get LTE speed)? Do I need to go to AT&T store again to adjust someth

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1.5K

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Traveling to California

Hello, I am travelling to California from Norway in the beginning of september, what is the best option for a unlimited data-plan for my mobile hotspot-device? Best, Kurt Naeslund

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86

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iPhone 12 Pro Max with 4G

My iPhone 11 Pro Max had a way to force 4G in the Cellular setting and 4G signal was always strong and stable than LTE in my neighborhood. However, my new iPhone 12 Pro Max doesn't even have 4G in the setting. I can force LTE but 4G. Both LTE and 5G signals are spotty and weak and they are not usabl

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995

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Recent issues with Switching from LTE to 4G and back on iPhone 7 iOS 11.4.1

So both my wife and I, both owning iPhone 7's on iOS 11.4.1 are having issues with switching from LTE to 4G and back. I believe this should be happening automatically but it does not.  This has been happening for the last few months for me. This was also occurring while on a trip to California. I li

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2.2K

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APN settings for my OnePlus One

Just got a OnePlus and it is defintiely LTE compatible based on the device specs (says it is bands 4/17 compatible).    Now, when I spoke w/ ATT on the phone they said the device may not work at LTE speeds. From what I'm reading online, this is because the SIM I'm using has never been registered on

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67.8K

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Samsung Galaxy A72 Compatibility With AT&T

Hello, I was thinking about buying a Samsung Galaxy A72. I'm having a problem with my location where I can only use AT&T, so I have to make sure that it'll work. Before I have bought a Samsung Galaxy A21, and as it was Verizon it didn't have a signal. I was also wondering if it was unlocked it w

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962

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How to Disable Phone's 4G LTE and Use 4G ?

Does anyone know how to disable 4G LTE on a typical Samsung Galaxy smartphone and use just regular 4G? I've looked around online and come across various "hacks", some of which I've tried to no success. I'm seeking a stable solution. I have a Samsung Galaxy S4 Mini, direct from AT&T. Sometimes I don'

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44.1K

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DATAREMOTE 9070 WEB ADMINISTRATION PANEL ACCESS...

I have reset the device to factory settings (I assume as I followed the instructions to do so three or more times, and the led sequences indicated it worked) The username / password for the web interface at 192.168.25.1 is not driadmin/DRIAdmin1 nor is it admin/Password1 nor is it -/attadmin nor

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2.7K

5

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What LTE Bands Does AT&T Use?

Please Tell Me Lte Band.

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5.7K

5

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Network Registration of an IoT Device

Hello We are currently developing an IoT Device, which sends its data through the cellular network into a cloud. It's a battery driven device and therefore needs to be low power. Our idea to save power, is to turn on the cellular communication and register it to the network every time we need it.

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266

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Crooked Company, poor customer service

I was misled and overcharged $60/month since July. I was lured to transfer from T-Mobile to AT&T wireless on July 17, 2023. Since I already have internet account with them, when I transferred to AT&T they just added my wireless service to my current internet account at the time I figured out after t

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119

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Moving to the US- can I get 3G/4G/LTE data?

I will be moving to the US shortly, and so I have been searching up about phone compatibility. Until I decide on a new phone, I will be using my Lumia 920 (unlocked) that I bought overseas. Below is the relevant information about my Lumia 920. Can I connect to AT&T's LTE/4G/3G? LTE network bands: 1,

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The phone network is off

Hello I want help. I bought an iPhone from Saudi Arabia, used and locked from the telecom company. Can I pay the contract and unlock the network? How do I know how much is left on it? I don't know how to use the official websiteI don't have any imei

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351

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AT&T GoPhone LTE Support

Does AT&T GoPhone support LTE for smarphone devices?

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616

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ATT NumberSync won't function

I just bought a brand new Galaxy watch 5 LTE version and got it add to my ATT plan and attempt to use ATT Numbersync to get the full functionality but i go to setting>connections>ATT Numbersync>Get Started and it says to look at my phone(which does nothing) then says getting sync code, but

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230

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Seeking recommendations for unlocked VoLTE phone that AT&T will not support after 3G phase-out

Hi all. I'm sure the 3G/2G phase-out has been discussed a bunch here. My unlocked Samsung Galaxy S10e is an Asian model but fully supports 4G and VoLTE. I've been using it on AT&Ts network for 1.5 years but they did-not or would-not activate VoLTE. The 3G/2G phase out in Feb-2022 now appears t

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2.1K

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Dual SIM Technology – Information From the AT&T Community Team

Have you heard of Dual SIM? Wondering what Dual SIM is? Wondering when it will be available? Already know about it and want to take advantage of this feature? We've got you covered!   What is dual SIM? Dual SIM is a feature that allows you to have 2 active numbers, plans, or accounts on one

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7.2K

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Cell Phone Signal Booster Registration??? AT&T is denying they allow these!?! Amazon says they Do! Who is lying to me???

I have called twice to AT&T and gotten the same answer about my Cell Phone Signal Booster made by Phonetone. They deny they support it and act like I am speaking chinese and they have never heard of signal boosters. They say they stopped offering them years ago and stopped allowing them. Yet on A

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3.8K

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