How to delete all the information in Apple's mobile phone?

Long-term use of a large number of product short messages on Apple iPhone rarely deletes short messages or spam messages immediately. Over time, there are hundreds of short messages to be processed in the inbox, and even thousands of unread short messages can be reached; Are you still deleting dozens of emails at a time, or even selecting emails in batches, because a wrong operation needs to be re-selected, and then you will easily delete all the emails in your inbox with one click after learning this tutorial.

1. Turn on the settings for iPhone and Apple-General-Date and Time, turn off the automatic setting, and change the date to 30 days later (for example, today is September 29th, 20 19, please set the date after October 30th, 20 19);

2. Return to settings to find information;

3. By default, the reserved information found in the information is permanent;

4. Click 30 days in the reservation information, prompting to delete the old information? This will permanently delete all SMS and email attachments on your device that are more than 30 days old.

Warm reminder: Click Delete, wait for a while, and confirm whether to delete all messages. If not, please repeat the above actions;

4. After deletion, please return to the date and time again to turn on the automatic setting to restore the current time;