How to recover lost iPhone address book?

Your situation is very common. The recovery steps are as follows:

Install data recovery software.

Start the data recovery software,

you can see the basic interface of the entire software.

Select the appropriate option to proceed to the next step.

Select the directory where the missing files are located.

Enter the data scanning process.

Scan out lost files waiting for recovery,

Users check the files that need to be recovered and perform recovery.

In the case where some important data or software recovery is ineffective,

Users can try to find Tiandun Data Recovery direct remote data recovery