If your Samsung Galaxy Note 9 model N960N with binary U3 is showing Dual SIM issues, IMEI null, or network errors after flashing, this auto-patch firmware is exactly what you need. This tested and patched firmware removes common problems such as no service, SIM card not recognized, or patch certificate errors after flashing Android 9 or 10.
This firmware comes pre-modified to bypass security blocks related to SIM and network configuration. It supports full Dual SIM functionality without rooting the device or installing Magisk. Ideal for mobile technicians and repair centers dealing with Korean N960N variants in other regions. Use the link below to get instant access to the patched ROM.
📥 Download Samsung N960N U3 Auto Patch Dual SIM Firmware
Flash the firmware using Odin and select only the AP file provided. Before flashing, install Samsung USB drivers and back up your data. After flashing, both SIMs should work, IMEI should be restored, and the phone will no longer show ‘emergency calls only.’ This is a safe, effective solution for repair shops and software fixers worldwide.