: If your phone shows "Unknown Baseband" or "No Service" after a firmware update, it usually indicates a corrupted EFS partition or modem file. Reflashing the official firmware via tools like Odin (for Samsung) or MSM Download Tool (for Oppo) often resolves the issue by restoring missing radio firmware.
: Use only reputable software. Malicious tools can compromise your personal data or permanently brick your device . : If your phone shows "Unknown Baseband" or
: Factory Reset Protection (FRP) is a security feature that requires the previous owner's Google account after a hard reset. Tools like SafeUnlocks allow you to bypass this using your device's IMEI. You can also manually remove the Google account via the settings menu before resetting to avoid this lock entirely. : If your phone shows "Unknown Baseband" or