3310-nhm-5-flash-file Here

This is the hardest part. Most links on free forums are dead (RapidShare, MegaUpload are gone). Do not download .exe files claiming to be the flash file.

The "NHM-5" refers to the internal model code for the original Nokia 3310 3310-Nhm-5-Flash-File

A modern alternative for password resets and general flashing. This is the hardest part