ICYMI: iOS 11 saves your photos in *.heic format which offers 2X better compression than JPG. This saves space but it can be a problem if you transfer photos to a PC. Here's how you can convert *.heic to *.jpg: http://www.soyacincau.com/2017/09/19/iphon...-to-jpg-how-to/ sos from soyacincau.

No wonder my phone space increased to 12gb , before was 2gb left .

Well done 👍🏻