Log in to your Sinbad wallet
Click on Add money

Select USDT as Deposit method

Copy your Polygon address from Sinbad

Go to Step 2
Log into your Exodus wallet
Ensure you have a USDT balance.
Select USDT

Select Polygon

Click Send

Enter the amount you want to withdraw then Paste the Polygon address you copied in Step 1 above.

Click on Send
