If you skip the step to enter recover email ID when setting verification passcode, and unfortunately fail to get WhatsApp password back,you still have the chance to retrieve WhatsApp messages, contacts, photos and other files from Android and iPhone without entering WhatsApp password.
The method is to make use of
Jihosoft WhatsMate, a feature-rich WhatsApp Manager for Android and iOS devices. This program can work like a WhatsApp recovery tool and recover deleted/lost WhatsApp chats together with attachments on iPhone, Samsung, Sony, HTC, LG, Huawei, OnePlus and etc.
You can follow this tutorial guide to retrieve deleted WhatsApp messages on Android/iPhone in a few minutes.
1. Once you run the software on your computer, choose Recover WhatsApp mode.
2. Then the program will direct you to the next page, asking you to connect phone to the computer via USB cable.
3. Then program then will analyze your phone automatically, when it finishes, you can preview and select the files listed in the scan result.
4. Tap the Recover button on the bottom right corner to retrieve deleted WhatsApp messages to your computer.
Note: The recovered files will be saved together in a folder on your computer, then you can use the Restore mode of this program to restore the files inside the folder back to your phone.