How to purchase any coin/token from usdt ecp20?

Continuing the discussion from I lost 268.544 usdt from trust wallet:

I’m unable to purchase any token from usdt erc20 on trust wallet what I do.? ``

You can send out the USDT token to swap on an exchange or use a dApp like Uniswap to make a swap.
Please note that you’ll require gas fees in ETH to be paid