Nokia 2.4 Preloader -

Unlike Recovery Mode or Fastboot Mode, Preloader Mode is often triggered automatically for a short window of time. To enter this mode: Power off your Nokia 2.4 completely.

Its job is simple but critical:

If your Nokia 2.4 is stuck in Preloader mode: nokia 2.4 preloader

file alongside the preloader to bypass the Secure Boot authentication required by HMD Global. Backup First Unlike Recovery Mode or Fastboot Mode, Preloader Mode