If you're dealing with issues like no service, FRP lock, or an unresponsive boot screen on your Samsung Galaxy S10 5G (G977N U5), you're not alone. These are typical problems that occur after using unsupported firmware or attempting manual flashing. Thankfully, there’s a clean and effective solution using the right auto patch firmware.
This particular file is customized for the G977N U5 variant and includes all the necessary patches to fix IMEI issues, network errors, and dual SIM malfunction. It’s tested to work with Korean models and ensures the device operates smoothly after flashing—even if previous attempts have caused it to bootloop or get stuck on recovery.
Download G977N U5 Auto Patch Firmware (Dual SIM)
Use Odin or a similar flashing tool, and always back up your data before beginning. This firmware is recommended for users who want to restore full functionality without tripping Knox or facing security patch errors. It’s a solid fix for technicians and advanced users alike.