You’ll obtain it from your specific carrier. (Again, too many attempts will render your SIM card useless.)Īs far as getting a PUK code, typically an eight digit number. Note: The PUK code is not your PIN, so don’t try to input your PIN code to unlock it. This is your ticket to unlocking your SIM PIN. There’s no way to undo this, so you’ll need to get a new SIM card from your carrier.Īfter you input three incorrect PIN codes, your iPhone will ask you to type in a PUK code. If you happen to fail 10 further input attempts, your SIM Card will be locked permanently. Stop inputting anything if you can’t remember your SIM PIN after a few tries.If you input the wrong SIM PIN three times, your SIM card will be locked - cutting off access to voice and data. You only have three attempts to unlock your SIM card via PIN.Once you’ve chosen one, you’re stuck with it if you’ve forgotten it. In fact, there’s no way to reset a SIM PIN at all. There’s really no way to reset a SIM PIN on your iPhone.There are a couple of important things to note if you have forgotten your SIM PIN. Here are the New Features Coming to your iPhone with iOS 12.2.How to use Dual SIM with your Apple Watch.

How to Setup eSIM and Dual SIM on your Apple iPhone.

Which brings us to a problem: what if you’ve forgotten your SIM PIN? Of course, if you already have one set up, you’ll need to input it before you set a new one. Sending an email to yourself or using Notes on iCloud are both good options. Make sure you write this SIM PIN down somewhere safe that you can easily access.

If you’re interested, you can set up a SIM PIN by going to Settings > Cellular > SIM PIN. It can prevent people from just popping out your SIM card, placing it into a device that they have on hand, and using your cellular line to make calls and texts. That can come in handy if your iPhone is stolen. Whenever you restart your device or pop your SIM card out and place it in a new device, you’ll need to input the SIM PIN to access cellular functionality. What is a SIM PIN?Įssentially, the SIM PIN - added as an additional feature in iOS 12 - is a security code that you can “lock” your SIM card with. With that in mind, there’s actually a security feature in recent versions of iOS that you may run into problems with. But physical SIM cards are still removable. These days, new iPhones will already have a SIM card in them that is activated remotely. Normally, you may not give your SIM card much thought. To oversimplify a bit, it’s how your device connects to your cellular service. Every cellular device - iPhones included - has a SIM card.

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