The first thing you need to do is to get your hands on a new cell phone, and you'll be able to do it on your own.

At present, ASUS Mall cooperates with Youtube to launch "trade-in service" (brand is not limited), recycling the old machine to exchange for ASUS Mall vouchers and cash, the vouchers are used for ASUS Mall to buy goods services.

The official mall login method is as follows:

In the main menu of the home page of the official website of ASUS, find "ASUS Official Mall" and enter "Trade-in". Enter the product information on the page, and the valuation information will be available.