Android Sim Toolkit Not Working [Verified Source]

Physical dust or grime on the gold plates of your SIM card can cause data transmission errors.

A recent OS update (like the jump to Android 14 or specific manufacturer skins) might have broken the link. Android Sim Toolkit Not Working

The system app managing the toolkit might be stuck in a loop. The "Bring It Back" Playbook Physical dust or grime on the gold plates