: If you have a glass protector over your rear camera lenses, try removing it. Several users reported this as a permanent fix for recurring crackling in cold weather.

If the crackling persists despite these steps, it may be a genuine hardware failure, such as a burst internal component, and you should contact Samsung Support or a certified repair center. If you'd like, let me know: Did this start after a or a change in weather ?

: Use a SIM tool to pop the tray out slightly for a few seconds. This breaks the seal, allowing the internal and external pressure to balance instantly, which often fixes the sound immediately.