Maybe because you said you got off the phone with BT and they offered to upgrade you and give you double data. When I go online there is no mention of double data but maybe that's because I already have a sim only deal from them so would be upgrading this which means no reward card or double data. No extra speed 4g either. Can't even find a 5gb essential plan, seems to go 1,3,6gb
Three sim only deals for existing customers are pretty good. I negotiated 100gb for use on mobile or tab for £20 per month. 12 months.
@B_Marvel what does the pictured Samsung have to do with the deal?
https://www.hotukdeals.com/deals/bt-price-increase-opportunity-to-switch-without-penalty-2989269?page=25#thread-comments That thread has what you need. Some got it cheaper than me.
How did you get Infinity 2 for £23.99 pm? I.m paying £31.99 pm for that and thought that was a deal. They wanted another £7 pm for the plus (locks price, provides a free mobile signal booster etc). Can you point me to a webpage or something where you found your £23.99 pm deal please.