Anyway in case it really happened and he wants to recover the USDT (TRC20). He should carry out the following procedure
◼ Get the recovery phrase of the wallet he sent the coins to. Open Trust Wallet app
>> Click on Settings
>>Click on the Wallets (something like Multi-Coin Wallet 1)
>> Click on the 3 dots beside Multi-Coin Wallet 1).
You will be able to see a 12 word phase, copy it
example
civil silver raven elevator observe grab right double multiply nominee age seat
◼ Open
https://iancoleman.io/bip39 and disconnect you device from the internet
◼ Change the setting from 15 to 12 words
◼ Write your 12 words inside the
BIP39 Mnemonic box
◼ Under
Coin Change coin type to Ethereum - ETH
◼ Change the derivation path to 32 by clicking on
BIP32◼ Right below, you will be able to see derived address with their respective public and private keys
as shown in the image
◼ Check and compare if the first address is the same as the one you sent your USDT (TRC20) to. If yes. Congratulations!! Copy the private key and Import the wallet on trust wallet via the option of "
I already have a wallet" instead of "
Create new wallet" and select
Tron◼ Select Private key option, paste your private key and import the address. You should be able to see and transfer your USDT