Which mobile brand do you llike?
I phone's is most good brands  
That's expensive.  Why do you like iphone?
yes my childhood time use i phone
Which iphone series do you have?
7 7s i pad series all series i will use
Which year do you bought that phone?
I phone 11 max pro currently used 
Why do you choose to use that phone?
what you question correct mean type please
why do you choose to use iphone?