24 hours. According to the query of Leyi Assistant APP, after applying for a loan, Leyi Assistant's machine review takes 48 hours. After the machine review, there is a manual review, which takes 24 hours to complete. After completion, the loan will be issued, and it will take 72 hours of review. time. Leyi Assistant is a formal loan APP developed by Chengdu Leyi Technology Co., Ltd. It has been certified by the state and is a company supervised by the China Banking Regulatory Bureau.