1, official website. The cell phones on the official website have quality assurance and do well after sales.

2, e-commerce platform. There are many e-commerce platforms on the market, such as Jingdong, Tmall, Gome, etc. These are formal e-commerce platforms, good reputation, after-sales service is also good, the price is also more reasonable, and can also provide installment services, especially when new products are listed, the price will be more affordable, it is very cost-effective a choice.3, physical stores. In the physical store can view the phone in kind, have a better buying experience, but the price is relatively expensive.