Update iphone to IOS 15.8.3 deleted all the data

Hello, thank you for your reply, I am not giving permission to restore only click on update but actually its going automatically, the first problem was start update my device by WiFi then the device going and stack on recovery mode after download it can't instilation, I connect to itune for update cause its frozen in the recovery mode, tray backup giving an error, doing all recommended steps without any result, can't update due to unknown error 1102, finally after many time tray and tray with the same error and only update not restore click, the itune restore the device and I am losing all my data now, tray to backup from I cloud and I found the I cloud download some data from my second device which was use the same account, I have 2 iphone now with same data, i lose 27gb photos and videos media data and 10gb whatsapp data and some other very important notes, its so hard, its fell like crushed in your heart, stuck in your brean, it is the worest horror movie you can see with sad end, thank you apple