From
most Yahoo mobile apps:
1.
Tap the Menu icon.
2.
If using the Yahoo Mail app, tap
Manage Accounts.
3.
Tap Account info.
4.
Tap Security settings.
5.
Enter your security code.
6.
Tap Change password.
7.
Tap I would rather change my password.
8.
Enter the new password and its
confirmation and tap Continue.
Or Dial Our Yahoo Mail
Customer Service Number |Yahoo Customer
Service Number