Where do you usually store the invoices for Apple mobile phones?

The invoice downloaded by this brand of mobile phone is kept in the wallet.

The specific steps are as follows: 1. Open the wallet application. The wallet application has not been installed. Please search and download in the App Store.

2. Click the "+"button in the lower left corner of the main interface of "Wallet" application, and select the "Invoice" option.

3. In the invoice page, you can choose to download electronic or paper invoices or add new invoices.