Open the WIFIPLUG app and press 'Forgotten password?'.
Enter the email address for your WIFIPLUG account and press 'Submit'. A verification code will then be sent to your email.
Type the verification code from the email into the app and enter a new password for your account. Your password must contain at least 8 characters and consist of a mixture of upper case and lower case characters and at least 1 number. Press 'Reset password' when you're happy.