on 25-06-2017 10:15
Select the latest back up and press ok.
Leave it connected until the restore is complete.
OnePlus 6 (O2 & Sfr), Z3 Tablet (Three UK), iPhone7 (EE)
on 30-06-2017 10:32
hello @rathi2406, welcome to the O2 community!
Please follow @MI5 advice or read the info from http://support.apple.com about iCloud How To Restore or set up your iOS device from iCloud.
We hope it helps you. See you soon