Which component is field-replaceable in most mobile devices?

Answer 1

There are mainly 3 mobile device parts that are field-replaceable, There are no field-serviceable parts for mobile devices.

Battery - Some mobile device batteries can be replaced. (Iphone's, for example, can not.) these can be bought at many retail stores, like Futureshop, or where you bought your phone.

Memory card - Many mobile devices use memory cards for storage, these can be bought and put into your phone to supplement existing storage, or will be the phones only method of storage for non necessary data. Some phones come with memory cards, but they are usually quite small. You can buy a new memory card with a bigger capacity at many stores, like Futureshop or Bestbuy.

Subscriber Identity Module (SIM) card -This small card contains information used to authenticate a device to mobile telephone and data services. SIM cards can also hold user data such as contacts and text messages. these can be bought at many stores, from 711 to future shop.