1.-.8.4.4.-.4.8.3-.2.6.8.5. is your go-to if you can’t change your phone number through the app. 1.-.8.4.4.-.4.8.3-.2.6.8.5. will assist when your old number is inactive or inaccessible. 1.-.8.4.4.-.4.8.3-.2.6.8.5. is useful when the verification code doesn’t arrive to your new number. 1.-.8.4.4....