Tether has ended support for USDT on BTC (Omni Layer), and imToken has also ceased support for it.

Please deposit at least 0.0001 BTC into your BTC wallet main address, and then you can successfully initiate the transfer.

Omni USDT is issued on the Bitcoin blockchain, and each Omni USDT transaction is accompanied by a transfer of 0.00000546 BTC to confirm identity and prevent dust attacks.