You can find the necessary files through community archives and enthusiast sites:
A modern project called Reborn is highly recommended for 2026. It is based on Belle but includes updated HTTPS certificates for modern web browsing, a working app store, and removed app-signing restrictions. nokia n8 proshivka belle skachat
Look for version v111.040.1511 (RM-596). Archives like N8 Fan Club or specialized Reddit threads host links for these files. You can find the necessary files through community