1. Check through the bank APP. Download and register the official bank APP where you apply for a mortgage. After logging in, you can find related modules such as "Loan" or "My Loan" in the app. On the loan module page, you can view the relevant information of the loan contract, such as loan number, loan amount, repayment method, loan interest, etc. If you need to view the details of the loan, such as repayment plan and interest calculation, you can find "repayment plan" or "loan" on the loan module page.

2. Inquire through online banking. Log in to the bank's online banking system and find options related to mortgage under the columns of loan management, customer service or my contract, which generally have the function of viewing or downloading electronic contracts.

3. Inquire through the mobile banking APP. Download the official mobile phone application corresponding to the login bank, and you can also find the corresponding mortgage information in the loan service module. Click to view or download the electronic contract.

4. Inquire through the platform of a third-party organization. If you apply for mortgage through a third-party financial service platform, you need to log in to the personal account of the platform and find the mortgage contract in the loan details or document management.

5. Consult by email or SMS. Banks or financial institutions may send you electronic contracts by email, so you can check whether there are attachments or links in the email records at that time.

6, through customer service consultation. If you can't self-check online, you can call the bank customer service hotline directly, provide personal information and loan number, and the staff will help you check or reissue the electronic contract.