If you are using an iPhone and you are tired of seeing a lot of unwanted contacts on your iPhone and are looking for “How to delete all contacts at once on iPhone”, then there are 2 methods by which you can delete all your contacts from your iphone:-
Delete all contacts on iPhone using settings.
Delete all contacts on iPhone using iCloud.
These 2 methods are very useful in deleting all the contacts from your iPhone. If you want to know more about contact deletion, then you can visit our blogs.