UKgoodbye, learn how to identify your smartphone

UKgoodbye, learn how to identify a smartphone when you want to sale or buy that help to make sure you have the right branch, make and model. It is very important to know the model of what you are selling;
For example of the iPhone XS Max
Capacity: 64, 256, 512 GB
Colors: Silver, space gray, gold
Model number: A1921, A2101, A2102 (Japan), A2104 (China mainland)

View now on Youtube about it: