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This is in contrast to a phone (retrospectively called SIM-free or unlocked) that does not impose any SIM restrictions. Generally phones can be locked to accept only SIM cards with certain International Mobile Subscriber Identities (IMSIs); IMSIs may be restricted by: Mobile country code (MCC; e.g., will only work with SIM issued in one country)
When purchased with a cellular plan, the phone will come with a network lock meaning it will not accept a SIM card from another provider. If another SIM card is inserted, it will ask for a "special code"; usually referred to as a Network Unlock Code (NUC). Once this code has been entered, it will accept any SIM card and connect to any network ...
No SIM card due to operator-specific device. The Samsung SCH-u470 , or Juke and Verizon Wireless Juke , is a mobile phone offered exclusively by Verizon Wireless . It was announced on 2 October 2007, and released that same year on Q4 in three colors: red, teal, and navy (blue). [ 1 ]
If your phone is connected through an international data roaming plan or a travel SIM card with a VPN, you’ll still be able to access these apps. When you connect to local Wi-Fi, access will be ...
Other GSM phones, even those that were unlocked from another carrier, could not accept a TracFone SIM card, because these are bound to a specific handset. In 2013, TracFone began to open up its device pool with a ' bring your own device ' program, selling SIM cards that could be inserted into qualifying non-TracFone phones (such as Verizon CDMA ...
A typical SIM card (mini-SIM with micro-SIM cutout) A SIM (Subscriber Identity Module) card is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).
Justin Chan of Carlsbad, California, says a hacker drained $38,000 from his bank account after his phone number was compromised in a SIM swapping scam — and he’s not sure he’ll get the money ...
On some networks, a GSM phone without a SIM card may be used to make emergency calls, and most GSM phones accept a larger list of emergency numbers without SIM card, such as 112, 911, 118, 119, 000, 110, 08, and 999. [27] However, some GSM networks will not accept emergency calls from phones without a SIM card.