Oppo R1107S QCN

Oppo R1107S QCN File – Network & Baseband Repair Guide

Flashing the QCN (Qualcomm Calibration Network) file on the Oppo R1107S rebuilds damaged NV (Non-Volatile) memory items, restoring stable cellular reception, fixing "Unknown Baseband" status, and resolving null/corrupted IMEI issues.

File Information

• Target Model: Oppo R1107S

• Platform: Qualcomm MSM8916 Snapdragon

• Purpose: RF Calibration, Baseband Repair, Network Fix

• Download: Oppo R1107S QCN File

Requirements

1. Properly installed Qualcomm HS-USB QDLoader / Diag Drivers.

2. QPST Suite (Qualcomm Product Support Tool) installed on your Windows PC.

3. Enabled USB Debugging on the target handset.

Step-by-Step Restoration Process

1. Activate Diagnostic Mode:

   Connect your Oppo R1107S via USB and enable Qualcomm Diag Port (use service code *#801# / *#9434# or execute adb shell setprop sys.usb.config diag,adb in root shell).

2. Verify COM Connection:

   Launch QPST Configuration. Ensure the active Qualcomm Diagnostics 900E/9008/Diag COM port is recognized under the Active Phones section.

3. Open Restore Tool:

   From the top menu, go to Start Clients ➔ select Software Download ➔ switch to the Restore tab.

4. Load QCN File:

   Click Browse in the QCN File field and load your downloaded Oppo R1107S QCN.

5. Apply Settings & Write:

   Mark the checkbox Allow phone / file ESN mismatch to bypass validation conflicts. Hit Start to begin rewriting the NV data.

6. Finalize:

   Wait for the progress bar to complete 100% and show Restore Completed. Disconnect the USB cable and reboot the phone.