The bug with alarm times being an hour off is 99% fixed. It still shows a time for the alarm that is +1 when the alarm goes off but the main time is correct, setting it is correct and it goes off when expected.

Your carrier will give you a SIM for free usually or it's easy enough to cut down. LTE is a free upgrade for my carrier, Three UK, not that that matters as it's years still before it reaches outside major cities.