Namaste, iam John Garcia, Good luck today!
Will A Cell Phone Work Without A Sim Card? [Solved]
As a general rule, you can use a phone without a SIM card. Smartphones without a SIM chip cannot make calls or send regular text messages on the cellular network. Secure messaging apps can replace this functionality by leveraging WiFi. Phones can call emergency services without a mobile service plan.
Using Phones with No-SIM Cards and Other Privacy Experiments
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Will iPhone Work Without Sim Card?
In this video i answer the question
How Do SIM Cards Work?
SIM cards
