Write this down. That string is the key to finding the correct match.
There are several ways to update the firmware of your Nokia G-2425G-A: Firmware For Nokia G-2425g-a
There are ongoing community efforts to build OpenWrt for the G-2425G-A , though it remains a complex task due to hardware variations and proprietary drivers. Build for Nokia G-2425G-A - For Developers - OpenWrt Forum Write this down
If you have two identical Nokia G-2425G-A units (one working, one bricked), you can clone the firmware. This is for educational purposes only. Firmware For Nokia G-2425g-a