which is the company from whom they purchased the SIM card, such as T-Mobile, AT&T, or Verizon. Contacting customer support is the best way to retrieve the PUK code, and they will ask for specific ...

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You can reset the SIM card, using what's called a personal unlock code, or PUK code, which you can usually obtain from your phone carrier. You can set a SIM PIN code to prevent people from ...