SIM cards are always used on GSM phones for CDMA phones, they are needed only for LTE-capable handsets. It is also possible to store contact information on many SIM cards. SIM Card And All You Need To Know ?Ī SIM card, also known as subscriber identity module or subscriber identification module (SIM), is an integrated circuit running a card operating system (COS) that is intended to securely store the international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephony devices (such as mobile phones and computers). How to unlock sim card without puk code is another trending topic on Google search engines which we will provide solutions and steps you can follow to unblock your sim card without puk code.
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