The credit card of ABC can be upgraded in the following ways: the temporary credit line is initiated by the customer, and the credit line of the customer is adjusted within a certain period after the approval of ABC. When the time expires, the credit line will be automatically transferred back to the original credit line. At present, the temporary quota of ABC is valid for two months at the longest. You can apply through ABC counter, credit card customer service manual, WeChat bank, pocket bank, self-service voice, online banking, etc. The permanent quota can be handled manually through the customer service and counter of Agricultural Bank of China. Note: account opening time interval: temporary credit card needs to be used 1 month, and permanent credit card needs to be used for 6 months, subject to approval. Adjustment interval: the temporary amount should be one month after the last adjustment, and the permanent amount should be three months, subject to approval. You can refer to the following items: 1. Don't lend the card to others, cash out and other illegal acts, maintain good consumption habits, and use it in shopping malls, supermarkets, restaurants, hotels, tourism, entertainment places and other daily consumption. 2. swipe your card more and let the bank know your quota requirements. 3. Repay on time, not less than the minimum repayment amount, and maintain a good credit record.