I have had an ID pay monthly contract for a few years. I am moving to an ID SIM only contract. I have been sent a new SIM but no instructions on if/when to put it in the phone and what that will do to my mobile phone number (if anything). There are 2 things that are important to me: (1) I must keep my old number; and (2) I do not want my phone not to be working whilst any kind of switch over happens.
So, can anyone tell me whether or not I really need to use the new SIM? The phone is still working fine with the old SIM (and old number), but I worry that come 12/3/21 (when the old contract would have come to an end) something will go wrong and I will not be able to use the phone with the old SIM and old number.
Thank you.
Best answer by Mohammed
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