In Gu'an County, you can go to some large e-commerce platforms, mobile phone stores, credit card installment payment and some telecom operator stores to purchase mobile phones in installments. These channels usually provide some credit assessment and installment services to help consumers purchase mobile phones more conveniently and repay on schedule. The specific installment purchase method may vary according to different channels. You can go to the relevant store or website for consultation to learn the specific situation.