Oppo Mirror 3 R3001 QCN File – Network Calibration & Baseband Fix
Flashing the QCN file on the Oppo Mirror 3 (R3001) restores damaged NV (Non-Volatile) memory items, resolves "No Service" / "Searching for Signal" errors, and fixes corrupted, missing, or null IMEI and baseband configurations.
Device Model: Oppo Mirror 3 / R3001
Chipset: Qualcomm Snapdragon 410 (MSM8916)
Function: RF NVRAM repair, Baseband restoration, Cellular network fix
Download Link: Oppo Mirror 3 R3001 QCN File
Windows PC with installed Qualcomm HS-USB / Diag Drivers.
QPST Tool (Qualcomm Product Support Tool).
Target handset with USB Debugging enabled.
Enable Diag Port: Connect your device to the computer and activate Qualcomm Diagnostic mode (dial *#801# / *#9434# or execute adb shell setprop sys.usb.config diag,adb via root shell).
Verify COM Connection: Open QPST Configuration and ensure the active Qualcomm Diagnostics COM port appears under the Active Phones section.
Open Restore Tool: Click Start Clients from the top menu, choose Software Download, and switch to the Restore tab.
Load QCN File: Click Browse next to the QCN File field and select your downloaded Oppo Mirror 3 R3001 QCN File.
Flash Network Data: Check the box for Allow phone / file ESN mismatch, click Start, and wait for the restoration process to reach 100%.
Reboot: Disconnect the USB cable and restart your phone.