To successfully flash your Nokia 2.3, you need a combination of drivers and software:
To successfully flash your device, you will need the following components: SP Flash Tool nokia 23 flash tool link
Why Do You Need the Nokia 2.3 Flash Tool? To successfully flash your Nokia 2
No Command Error: 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 The safest download mirror is maintained by user
USB Drivers: Download and install the latest Nokia 2.3 USB Drivers to ensure your PC recognizes the phone in fastboot or VCOM mode.
3. Why You Won't Find a 'Safe' Public Tool for Most Nokia Phones
A: Again, there is no "Nokia 23." The tool for Nokia 2.3 is OST LA 6.0.4. The safest download mirror is maintained by user Hikari_Calyx on XDA’s Nokia 2.3 forum. Search: [GUIDE] Unbrick Nokia 2.3 - OST LA Download.