For fully updated OxygenOS 12/13 devices, a combination flash or EDL service is required due to Google's FRP hardening.
on your OnePlus Nord via recovery mode, Android automatically triggers FRP. This prevents anyone from using the device unless they sign in with the Google Account previously synced to it. For the AC2003 model, which has seen updates from Android 10 up to Android 12 and beyond, the bypass methods vary based on your current security patch. Common Bypass Methods for 2024-2025 oneplus ac2003 frp bypass
: On a working Android phone, install "Clone Phone" from the Play Store. Open it, select "This is the old device," and scan the QR code on the locked OnePlus. Transfer a Small App For fully updated OxygenOS 12/13 devices, a combination