No ---entering that you received your stimulus checks does not make your refund go up. In fact--- if you do NOT enter that you received your stimulus check your refund will appear to be higher---but then the IRS will cross check and see what you received and recalculate your refund. So leaving it out will not get you a bigger refund--it will just delay your refund.
Congress passed the 2nd stimulus bill at the end of 2020. Both stimulus checks were an advance credit for your 2020 tax return, The 2nd stimulus checks started going out at the very end of December 2020 and continued into early January 2021. When you fill out the recovery rebate credit it is important for you to enter the entire total of the amount you have received for yourself, your spouse, and your dependent children so far. Entering the wrong amount might delay your 2020 refund.
It should help you if you bear in mind that the purpose of the question is to determine if you have already received the amounts you should have received.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
