Are deleted numbers stored somewhere in the smartphone?

Question

Android

Please tell me, one phone number was deleted from the phone, it can no longer be found? he couldn't save somewhere? in the bins of the phone, maybe ..
There was also correspondence in Whats app, the info was also deleted, there is no option to somehow return the phone number? (in Whats app) backup is not included.
Android phone.

What can I do, please help.

Thank you!

Answer 1

Android has a system log where you can find notification events about incoming messages, try rummaging there, for example, using the desktop adb utility or the android syslog application, for example, but in order to read logs older from the moment of installation, you need
root ps logs are cleaned with a reboot