Yes the iPhone 12 gets both 5G and 5G+. It should have no issues. I'd contact AT&T and make sure the IMEI is provisioned correctly as sometimes that can cause issues with connecting to 5G. Answer from rja7 on reddit.com
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5GWorldPro
5gworldpro.com › home › 5g news › which iphones support 5g? essential knowledge for telecom professionals
Which iPhones Support 5G? Essential Knowledge for Telecom Professionals - 5G Training and 5G Certification
July 30, 2025 - all current iPhones support 5G including iPhone 14, the iPhone 14, iPhone 14 Plus, iPhone 14 Pro, iPhone 14 Pro Max, as well as many more.
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WhistleOut
whistleout.com › cell phone plans › articles › guides
Which iPhones are 5G Compatible? | WhistleOut
May 26, 2023 - Both iPhone 14 and iPhone 15 series support 5G connectivity, with some major upgrades to camera system including Cinematic video and expanded access to more 5G bands.
Discussions

Does the iPhone 12 Get 5G and 5G+?
Yes the iPhone 12 gets both 5G and 5G+. It should have no issues. I'd contact AT&T and make sure the IMEI is provisioned correctly as sometimes that can cause issues with connecting to 5G. More on reddit.com
🌐 r/ATT
21
5
May 13, 2024
According to Apple, iPhone 15 and above (all model) support 5G Advanced
Interesting… so are the US carriers rolling out a 5GA icon for that? It’s kind of messy how each carrier has their own set of icons for what should be the same network standards. More on reddit.com
🌐 r/cellmapper
18
38
June 25, 2025
what generations of i phone are still able to connect to the 5G network?
5G iphones are only the 12 and 13 and new SE. All others are LTE More on reddit.com
🌐 r/ATT
9
6
January 27, 2022
What’s the oldest 5G iPhone that supports AT&T’s DOD & C-band?
iPhone 14/14pro More on reddit.com
🌐 r/ATT
7
9
May 8, 2023
People also ask

Is the iPhone SE 5G?

The 3rd generation iPhone SE (2022) has 5G capability. Neither the original iPhone SE nor the 2nd generation model (released in 2020) have 5G support.

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whistleout.com
whistleout.com › cell phone plans › articles › guides
Which iPhones are 5G Compatible? | WhistleOut
When did iPhone get 5G?

Apple introduced 5G support with the iPhone 12 series, which was released in 2020.

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whistleout.com
whistleout.com › cell phone plans › articles › guides
Which iPhones are 5G Compatible? | WhistleOut
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Mashable
mashable.com › home › tech › mobile
Which iPhones are 5G? | Mashable
2 weeks ago - So, basically, any iPhone 12 or iPhone 13 model supports 5G. You won't be able to access 5G with any of the previous models, even if you have a network provider that supports 5G.
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Apple
apple.com › iphone › cellular
iPhone - Supported 5G and LTE networks - Apple
See the countries and regions that have certified 5G and LTE networks on iPhone including the U.S., Canada, Japan, Germany, China mainland, and more.
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Red Pocket Mobile
blog.redpocket.com › blog › which-iphones-have-5g
Which iPhones Have 5G? Your Complete Guide - Red Pocket Mobile
The iPhone 13 and the iPhone 13 Mini are the next steps up and both offer 5G support. They offer 19 hours and 17 hours of battery life respectively. Their chipset is better than that of all the iPhone 12 lines, but the camera system is actually ...
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Walmart
walmart.com › cell phones › 5g wireless › 5g iphones
Apple 5G iPhones in 5G Wireless - Walmart.com
$29900current price $299.00AT&T Apple iPhone 13, 128 GB, Midnight - Prepaid Smartphone [Locked to AT&T]
Find elsewhere
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Quora
quora.com › What-iPhones-support-5G
What iPhones support 5G? - Quora
Answer: * iPhone 12, iPhone 12 mini, iPhone 12 Pro, and iPhone 12 Pro Max * iPhone 13, iPhone 13 mini, iPhone 13 Pro, and iPhone 13 Pro Max * iPhone SE 3rd generation * iPhone 14, iPhone 14 Plus, iPhone 14 Pro, and iPhone 14 Pro Max * iPhone ...
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5G
5g.co.uk › home › 5g guides › which iphones support 5g?
Which iPhones support 5G?
As for the older models, none of them support 5G, but the iPhone 11 Pro and iPhone 11 Pro Max do support Gigabit LTE, which is a very fast form of 4G, which in this case uses 4x4 MIMO (meaning a greater number of antennas than standard 4G) and ...
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Amazon
amazon.com › iPhone-5G › s
Amazon.com: IPhone 5G
iphone 5g unlocked · iphone 5 · iphone · iphone se 2022 · iphone 11 · 5g unlocked smartphone · Previous · 1 · 2 · 320 · Next · Visit the help section or contact us · Go back to filtering menu · Skip to main search results · Popular Shopping Ideas ·
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Reddit
reddit.com › r/att › does the iphone 12 get 5g and 5g+?
r/ATT on Reddit: Does the iPhone 12 Get 5G and 5G+?
May 13, 2024 -

Hello everyone! I have a question. I have a family member of mine, on the same phone plan with AT&T, who uses an iPhone 12 pro, and they get 5G and 5G+. They had switched to an eSIM, so I thought if i switched to an eSIM also, it would give me access to 5G and 5G+, instead of 5GE. Do I have access to 5G, but it says 5GE, or is there something else I would need to do?

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Best Buy
bestbuy.com › best buy › category directories › cell phones directory › all iphone directory
5G Capable IPhone - Best Buy
"This phone came in great condition and is perfect for the needs of my 13 year old son...I thought the second-hand items were of poor quality but these iPhones are amazing! The battery lasts all day and the quality to take pictures is spectacular! " ... iPhone 12 has it all. 5G on iPhone is ...
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AT&T
att.com › home › wireless
Shop 5G-Compatible iPhones: iPhone 16, 16e, 15 & More
5G capable · Any condition trade-in · Cosmic Orange · Quick view · Apple · Rated4.1out of 5 stars with10610reviews · 4.110K · Price was $33.34 per month, now As low as $2.78 per month · As low as$2.78/mo. $33.34/mo. with eligible trade-in · Req's elig. unlimited & trade-in.
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Tech4Cash
tech4cash.com › blogs › news › which-iphones-support-5g
Which iPhones Support 5G? Find Out Here
May 21, 2024 - The first benefit of 5G is the speed with which it delivers data to both mobile devices and notebook computers. You must have noticed that when streaming HD videos or downloading files, the iPhones 12, 13, 14 series with 5G are great to make a fuss.
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Business Insider
businessinsider.com › reviews › tech › there are now 6 iphones that support 5g, but you won't notice the speed difference
There are now 6 iPhones that support 5G, but you won't notice the speed difference
September 24, 2021 - 5G today doesn't feel much different than LTE, even on the six iPhones that support it. The fastest 5G network, called "mmWave," isn't readily available, and there's no killer app to make use of fast 5G speeds. Super-fast 5G that's widely available will come some day, and it will change the world when it does. There are now six Apple iPhones with 5G that are all technically capable of reaching incredible data speeds, with some carriers claiming up to 2 Gbps (gigabits-per-second).
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Reddit
reddit.com › r/cellmapper › according to apple, iphone 15 and above (all model) support 5g advanced
r/cellmapper on Reddit: According to Apple, iPhone 15 and above (all model) support 5G Advanced
June 25, 2025 - Somewhere , someone said the x71 is the x70 but with the UL 5G mimo and PC 1.5 Continue this thread Continue this thread · Any new update on 5G standalone being enabled on iPhone 15
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Ookla
ookla.com › articles › iphone-16-5g-performance-2024
iPhone 16 5G Performance: How Does Apple's Latest and Greatest Compare to Previous iPhones and Samsung Galaxy Flagships? | Ookla®
November 17, 2024 - iPhone 16 base model and 16 Plus use the Apple A18 system on a chip (SoC), while the Pro and Pro Max models feature the A18 Pro, with all iPhone 16 devices incorporating the Snapdragon X75 5G modem. iPhone 15 base models use the A16 Bionic chipset ...
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CNET
cnet.com › tech › mobile › phones › iphone 12 and 5g: all the answers to your questions about the super-fast connectivity
iPhone 12 and 5G: All the answers to your questions about the super-fast connectivity - CNET
Virtually all new Android phones ... Now that Apple is jumping into the fray with its 5G-enabled iPhone 12 models, the buzz about 5G is only getting louder -- even if consumers in places like the US aren't exactly clamoring for 5G devices....
Published   December 3, 2020
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T-Mobile
t-mobile.com › 5g › phones
Our Best 5G-Compatible Cell Phones (2025) | T-Mobile
And we've expanded our 5G network ... map. Apple released the first iPhone with 5G in October 2020 with iPhone 12, 12 mini, 12 Pro, and 12 Pro Max....
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Apple Support
support.apple.com › en-us › 108383
Use 5G with your iPhone - Apple Support
3 days ago - iPhone 12 models or later work with the 5G cellular networks of certain carriers. Learn how to use 5G cellular service.