If you clarify the and why you need a flash tool (e.g., phone stuck in bootloop), I can offer legitimate, safe guidance instead of a risky link.
If you encounter a "No Command" screen, you can skip it by pressing the Power + Volume Up buttons simultaneously to enter the Recovery menu. Hard Reset NOKIA 2.3 nokia 23 flash tool link
I see you're looking for a way to flash your Nokia 2.3 using a flash tool. Here are some general steps and information that might help: If you clarify the and why you need a flash tool (e