After I asked the question I DuckDuckGoed the question and found this:
https://www.imore.com/how-protect-your-sim-card-pin
> How to set up your SIM PIN
> • Go to Settings on your iPhone or iPad.
> • Tap on Cellular.
> • Locate SIM PIN and tap it.
> • Toggle the SIM PIN to ON.
> • Input your current SIM PIN if it was enabled before.
Before you try it read on:
My SIM PIN switch was off. When I turned it on I had to enter my code (I
thought it wanted the code to unlock the screen on my phone) Well I tried that
three times ( I thought I was typing too quickly and misentering the code) and
poof I lost cell service and was told to contact my provider to get my PUK
code.
Apparently the SIM PIN has a code which you have to know before you can turn on
the switch.
I went to AT&T on line and started a chat session with Nadia. Nadia sent a
verification code to my wife’s phone (she could have sent it to my email on
file but i’m not sure what email they have on file). I typed that verification
code into the chat window and Nadia sent me an 8 digit code. I had to turn off
my cell phone and then turn it back on and at that point I was asked for my SIM
PIN (i.e., PUK code). I entered the 8 digit number Nadia gave me and then was
told to enter a new code of my choice, which I did and cell service was
restored.
Apparently you SIM CARD comes with a code you have to know before you turn the
switch on and then you have to enter your own code to keep the switch on.
Also, if you turn the SIM PIN switch on, whenever you shut down your phone and
restart it you will have to enter the SIM PIN code to get cell service.
> On Nov 17, 2019, at 10:09 PM, Richard D. Meadows <[email protected]> wrote:
>
> I was going to ask the same question… have no idea
> Richard
>
>
>> On Nov 17, 2019, at 6:55 PM, Harry Jacobson-Beyer <[email protected]> wrote:
>>
>> Interesting article. One of the recommendations was to put a PIN in you SIM
>> card. How is that done?
>>
>>> On Nov 17, 2019, at 4:14 PM, Richard D. Meadows <[email protected]> wrote:
>>>
>>> I came across this article and thought it might be of interest to the group/
>>>
>>> How To Secure Your iPhone: 12 Experts Reveal 26 Essential Security Tips
>>> https://www.forbes.com/sites/daveywinder/2019/11/01/how-to-secure-your-iphone-12-experts-reveal-26-essential-security-tips/#1204b1cb3b10
>>>
>>> Some things I had not thought of doing. Hope it helps
>>>
>>> Richard
>>>
>>>
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>>
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>
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