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
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.
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
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
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
What’s the oldest 5G iPhone that supports AT&T’s DOD & C-band?
iPhone 14/14pro More on reddit.com
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.
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.
whistleout.com
whistleout.com › cell phone plans › articles › guides
Which iPhones are 5G Compatible? | WhistleOut
Is the iPhone 11 5G-compatible?
No, the iPhone 11 doesn't have 5G support.
whistleout.com
whistleout.com › cell phone plans › articles › guides
Which iPhones are 5G Compatible? | WhistleOut
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Amazon
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Amazon.com: IPhone 5G
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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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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.
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3.7 GHz and mmWave 5G, yes, as well as the typical lower bands (n2, n5, n12, n66). No 3.45 GHz support though (you need the iPhone 14 or later for that). Also no n30 support, which is a band AT&T will probably use for 5G down the road.
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 ...
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.
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).
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.