Buying and selling NFTs can be easily done thru OpenSea. You can connect to their marketplace with Trust Wallet and be able to make transactions. For this guide, you need some ETH on the wallet in order to place NFTs for sale on the marketplace. You can sell NFTs that you have minted or bought from other users.
If you are using an Android device, you can directly access OpenSea via the DApp browser . The steps indicated here is for iOS users. WalletConnect will be used in order to connect your Trust Wallet to the site.
Open your mobile browser and go to https://opensea.io. Tap on Menu button which is the 3 lines on the upper right corner. Then, tap on the button that says Connect Wallet.
Choose the WalletConnect option, then tap on Trust. This will launch the Trust Wallet app, tap on Connect. Sign in with your wallet by tapping on Confirm.
Access your profile and look for the NFT that you want to sell. Tap on Sell to list the item for sale.
Choose from either a Fixed Price or a Timed Auction option. For this guide, we have set a fixed price of 0.1 ETH. Once that is done, tap on Complete listing.
Before you could be able to post the item, you need to initialize the wallet. This will require some ETH to proceed. Confirm the transaction on the Trust Wallet app.
After that, you need to confirm the listing by tapping on Confirm on the Signature Request screen.
You have successfully listed your NFT for sale. Your listing will remain active until someone buys the NFT, you cancel the listing or when the timer expires.