After downloading, scan the file with VirusTotal. Many fake "firmware" sites distribute malware designed to steal your contacts or lock your phone for ransom.
The firmware is often used by users to resolve specific software-related issues through flashing: Fixing Boot Loops x663-gl firmware
Third-party developers sometimes build custom ROMs for the Nord N100. After downloading, scan the file with VirusTotal
Download the X663-GL zip and extract it to a folder on your desktop. You should see a "Scatter" text file inside. Launch SP Flash Tool: Run flash_tool.exe as Administrator. x663-gl firmware
