How to Backup & Restore your iPhone to Windows ...
Whatyouwantistoeraseallcontentandsettingswhichreturnsthedevicetothesetupassistandwiththecurrentfirmwareandsoftware.,UsetheFinderonaMac(thathasbeenupdatedtoCatalinaornewer)torestore,sync,andbackupaniPhone.,PressandquicklyreleasetheVolumeDownbutton...。參考影片的文章的如下: