Download and install the Coincheck wallet app from the App Store, Google Play Store, etc.
Install the wallet app from the store on your smartphone.
(In the image, Coin check As explained in, it doesn’t matter which other app you use, as long as it is a Bitcoin wallet app. Also, as a cross-link formula, Coin check Is not recommended. )
* The following images are from iPhone.
*Image is as of January 4, 2023.