The OnePlus One came out in 2014. No: it never got VoLTE on US carriers, so it can't make calls.
The quick answer
- Calls: no
- Software: Android 6 (Cyanogen OS)
- Still works offline for some features
- Worth keeping as a collectible
Why it can't connect
The OnePlus One relied on 3G for calls in the US. With 3G gone, it can't place calls, though LTE data may connect.
What still works
It works as a Wi-Fi device, and custom ROMs extend it, but most modern apps won't run on Android 6.
What it's worth
The "flagship killer" has nostalgic value, but prices are low.
If you're replacing it
A new moto g 2026 or Galaxy A17 costs little, gets years of updates, and several carriers give them away when you switch. Pair it with a low-cost plan such as Mint Mobile ($15 a month for 6GB on a 12-month term) or Visible ($25 for unlimited, taxes included).
Current offers from Metro, T-Mobile, Verizon, AT&T and Xfinity.
See phone deals →Frequently asked questions
Does the OnePlus One still work in 2026? +
What still works on the OnePlus One without service? +
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Jean Gilles has researched personal finance, consumer technology, and wireless pricing for over a decade. He founded ShopCellPlans in 2019 and writes every review on the site.