The english phrase "did you change your mobile phone" translates into French as "avez-vous changé votre téléphone portable"
'on the phone' is 'au téléphone' in French.
"Allo" in French is a casual way to answer the phone, similar to saying "hello" in English. It is commonly used to start a conversation on the phone.
The word "change" in French can be translated as "changement."
Cell phone charger in french is chargeur de téléphone cellulaire.
But on the phone you say 'Allô'
banana phone
Pas de téléphone.
vidange
it doent change
Tracey french does not change your name you are Tracey
Je suis au téléphone.
nous parlons au telephone