If you are thinking to upgrade your phone or open a new wireless account you might as well do it during Memorial Day 2010. Depending on the phones of your choice, you can get discount that you don’t normally see until Christmas shopping season. Here are some of the hottest phones on sale on Memorial Day 2010 from 4 major carriers in the U.S.

AT&T – Motorola BACKFLIP, Blackberry Bold 9700
Verizon – HTC Incredible (very limited supplies get it right away if you can find one), LG Chocolate Touch
T-Mobile – Nokia Nuron, Motorola CLIQ XT
Sprint – LG Rumor Touch, Blackberry 8530

To find out what else is on sale this Memorial Day Weekend, head to your local wireless stores.