on 08-08-2020 18:31
on 08-08-2020 18:34
A local sim or wifi would be the cheapest option.
For other options, see help here Guide: Roaming MegaGuide
and here https://community.o2.co.uk/t5/How-to-Guides/Roaming-in-Turkey-and-Cyprus-On-PAYG/bc-p/1105917