If you actually need to from your own device for backup (e.g., before unlocking bootloader), I can provide the steps using Unisoc flash tools. Let me know your actual goal (repair, MDM lock bypass, modem fix, etc.).
Some technicians misinterpret "link" as the from Nokia’s servers. If you have an MDM lock but want to update first, use: nokia g21 ta1418 mdm dump file security patch link
: Fixes "Dead Boot" issues, "Your Device Is Corrupt" errors, and permanent MDM removal. If you actually need to from your own device for backup (e