选择自备手机时,需要考虑品牌、性能、外形、价格等因素。在选择时,需要注意以下几点。1.要了解销售商是否经过了当地行业管理单位的批准;2.要了解手机上的商标和机型标志是否完整,配置是否齐全,规格是否相符,是否有电信入网标志;3.要了解销售商提供的保修期限有多长;4.要了解手机的条形码是否完整,条形码的数据与包 Choose your own phone, you need to consider the brand, performance, shape, price and other factors. In the choice, need to pay attention to the following points. 1. To understand whether the seller approved by the local industry management unit; 2. To understand the phone’s trademark and model logo is complete, the configuration is complete, the specifications are consistent, whether there is telecommunications network logo; 3. To understand the sales The warranty period provided by the business how long; 4 to understand the phone’s bar code is complete, bar code data and package