iPhone 16 Plus IMEI Check: Which A-Number Is Yours?
Tell the Plus from the base iPhone 16 by model number, then see how 84 US-build phones read in our lookups.
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Two A-numbers that show up in our checks
The Plus is the larger-screen sibling of the base iPhone 16, released in 2024 in 128, 256 and 512 GB. Apple's "Identify your iPhone model" page (read 10 November 2026) assigns it four model numbers by region. Only two appear in our lookups at volume.
| A-number | Sold in (Apple) | Checked on FullIMEI, 90 days |
|---|---|---|
| A3082 | United States, Puerto Rico | 84 devices |
| A3290 | Other countries and regions | 13 devices |
| A3289 | Bahrain, Canada, Iraq, Guam, Japan, Jordan, Kuwait, Mexico, Oman, Qatar, Saudi Arabia, UAE, US Virgin Islands | under 10 |
| A3291 | Mainland China, Hong Kong, Macao | under 10 |
What the A3082 lookups returned
| A3082 result | Devices |
|---|---|
| Locked to a carrier we can read | 26 |
| Unlocked | under 10 |
| Unknown (lock not readable for free) | 49 |
Roughly one A3082 in three read locked, a slightly higher share than the 29 % we see on the plain iPhone 16. Of the lookups that carried a country, 32 came from the United States. The 13 A3290 phones gave no readable lock at all, which is what you would expect from a build sold outside the two carriers the free check reads.
Why the Plus is easy to get wrong
The Plus and the base model share the same year and look alike in photos, so a listing titled only "iPhone 16" can hide a Plus, or the reverse. The model number settles it: A3081 is the base US phone, A3082 the Plus. Ask for Settings, General, About and read the Model Number line yourself.
- Match the A-number to where the seller says it was bought. A3082 is the US build and has no tray.
- Dial *#06# and compare the IMEI with the one printed on the box.
- Ask whether the phone is paid off; a balance keeps the carrier hold in place.
- Run the carrier lock check and the iCloud lock check before paying.
Model numbers are Apple's. All counts are ours and will move as more phones are checked.
Questions people ask
Which model number is a US iPhone 16 Plus?
Apple lists A3082 for the United States and Puerto Rico. A3289 covers Bahrain, Canada, Iraq, Guam, Japan, Jordan, Kuwait, Mexico, Oman, Qatar, Saudi Arabia, the UAE and the US Virgin Islands, A3291 covers mainland China, Hong Kong and Macao, and A3290 covers other countries and regions.
Is there a SIM tray on the iPhone 16 Plus?
Not in the United States. Elsewhere, Apple says a tray on the left side holds a physical nano-SIM card.
What storage does the iPhone 16 Plus come in?
Apple lists 128 GB, 256 GB and 512 GB.
How many iPhone 16 Plus phones did FullIMEI check?
In the 90 days to 10 November 2026 we saw 84 distinct A3082 phones and 13 A3290 phones. Every A3290 lookup came back unknown for the lock.
Can I trust a "unlocked" claim on a Plus that is still under a plan?
No. A phone on an instalment plan stays tied to its carrier until the balance and the waiting period are done, whatever the listing says.