You can get them from the Pound shop, not sure how muchAnd it's nice to have a working phone again, which doesn't scream "out of memory or storage" every single hour. The iPhone6S is nice - but because it was boxed up for so long and whatever the the charging cable didn't work. Solved by a £1.99 cable from a local shop.
And apps actually work! I couldn't even get most of the basics like Uber etc. barely work on my 2012 dodgy back up one!