OnePlus phones are popular in the used market, where a clean appearance does not replace a full identifier and ownership check.
Find the IMEI
Dial *#06# or open About device. Record both identifiers where shown.
Used OnePlus checklist
Verify the seller, box, invoice, accounts, SIM performance and hardware. Reset and activate before payment.
Ownership preparation
Save IMEI, serial number and invoice and enable device finding.
Frequently asked questions
How do I find OnePlus IMEI?
Dial *#06# or open Settings and About device.
Can a OnePlus have two IMEIs?
Yes, on dual-SIM models.
Should I reset before buying?
Yes. The seller should remove accounts and allow setup.
What should I inspect?
Display, battery, cameras, charging, SIM, mobile data and biometrics.
Should I compare the box?
Yes, but also verify the invoice and seller.
Is registration useful?
Yes, it helps preserve identifiers and ownership evidence.