Change the PIN of your SIM Card. If you use a PIN for your SIM card, you'll need the PUK (PIN unlocking key) every time you insert it into a different phone. Execute from the Emergency dial screen to unlock the PUK code *#*#8350#*#* Disables voice dialing logging mode *#*#8351#*#* Enables voice dialing logging mode *#03# Displays NAND Generally this is the long barcode / string of numbers printed on the card itself. The network generally doesn't care about this value, but operators may use it for logistics like shipping out cards. PIN & PUK. PINs and PUKs are codes to unlock the card. If you get the PIN wrong too many times you need the longer PUK to unlock it. You can get your PUK code by logging into your on-line MyVerizon account (MyDevice, unlock SIM/PUK) or by calling Customer Service: Customer Service: Dial *611 from a cell phone (800) 922-0204. Monday - Sunday 6 am - 11 pm Other Solutions Here: 1-watch?v=C6aVv Fixed dialing can be used on more than one SIM card, but it has to be activated for each. 30 fixed dialing numbers are available for each SIM; Each SIM card can store 250 names and 30 SMS's; The PIN codes for both additional SIM's are set automatically to 0000. The PUK codes are also the same for all SIM cards and can be retrieved from customer Scam Shield: Capable device req'd. Turning on Scam Block might block calls you want; disable any time. Gogo: on U.S.-based airlines; Wi-Fi Calling functionality, valid e911 address, & 1 prior Wi-Fi call w/ current SIM card req'd for messaging. Stateside Int'l Talk: Calls must originate on T-Mobile's U.S. network or in Canada/Mexico. lKe9Z.

universal puk code for sim card