How to find out SIM card's expiry date

[NFH]

I got an O2 SIM card with an intention of porting my secondary mobile number to it and using it as a second line on a new iPhone in September 2019. I topped it up with £10 for half price at a newsagent using American Express Shop Small in December 2018. I then received £0.50 from O2 Rewards some time in March 2019.

I am aware that I need chargeable usage every 6 months to prevent the SIM card from expiring, or possibly a top-up would suffice (maybe even the 50p credit from O2 Rewards). To achieve this, I yesterday used less than one megabyte of data. The balance dropped from £10.50 to £10.30, and after I restarted the iPhone to end the data session, it went back up to £10.50.

Where do I see the SIM card's expiry date? I can't find this anywhere in the O2 app or while logged into the O2 web site.

[MI5 · Accepted solution]

@NFH Once activated sim cards do not "expire".

If you are looking for somewhere to tell you when the 6 months is ending, you won't find it anywhere.

You need to set yourself a reminder for 6 months from now to use more data, make a chargeable call or send a text. A top up is only required every 999 days.

[NFH]

@MI5, I indeed have a reminder to incur chargeable usage, which is why I did so yesterday. Given that this chargeable usage caused my balance to go down and it then went back up to its previous level, where do I see that the expiry date has been extended as a result of the chargeable usage?

[MI5]

You can't see it as it's not recorded anywhere.
I suppose customer service could tell you if you called but there is no where that is easily accessible directly by the customer.

[NFH]

In that case, where do I see my usage history in order to verify that a charge (possibly a fraction of a penny) was recorded?

[MI5]

Also not possible on O2 PAYG, sorry.

[NFH]

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@MI5 wrote:
Also not possible on O2 PAYG, sorry.

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It's possible on all networks to get access to one's usage history, because it's the network's legal obligation to supply such personal data under Article 15 of Regulation (EU) 2016/679 (General Data Protection Regulation). Furthermore, Recital 63 of the GDPR gives a best practice recommendation that “Where possible, the controller should be able to provide remote access to a secure system which would provide the data subject with direct access to his or her personal data”, which in this case would involve making the usage data available in a web interface and/or smartphone app.

It would cost O2 much less in admin costs to just comply with the best practice recommendation in Recital 63, as it does for postpaid customers.

[MI5]

You can call and ask and you will be given the info, but not available on app or web.