In this case, it is necessary to change the phone number of the credit card of Jiebei, Meituan, and Dongguan Bank. The measures that can be taken are as follows:

1. Contact Jiebei customer service: You can contact Jiebei through its official website Or contact the online customer service on the APP, provide your personal account information and new phone number, and ask customer service to help change the phone information.

2. Contact Meituan customer service: You can contact customer service through Meituan’s official website or online customer service on the APP, provide personal account information and new phone number, and let customer service help change the phone information.

3. Contact the Dongguan Bank credit card customer service: You can call the Dongguan Bank credit card customer service number, provide your personal account information and new phone number, and let the customer service help change the phone information.