AT&T is giving new and existing customers a $100 credit when they activate a new postpaid line for your smartphone, tablet, wireless home phone, or MiFi device. The offer starts today and ends on March 31.

HTC appears to be struggling to sell its flagship HTC One, despite rave reviews, an expensive marketing campaign, and plenty of praise from pundits and users. So in an effort to shift a few more of them over Christmas, the company is now giving U.S. customers interest-free credit over two years with $0 down to finance an unlocked handset.

I know many of you have been searching high and low for Google Play gift cards with little to no success. Depending on your motive, Google may have a solution for you. If you’re simply looking to gift some Google Play credit to a friend, relative, etc., then you’re still out of luck. If you’re looking to purchase credit for your kids or someone you share an account with, then you’re in luck. Google now allows U.S. users to purchase Play Store credit directly from the Play Store (web only).

Wirefly, my other favorite mobile retailer, has a nice offer for anyone looking to pick up a Verizon 4G LTE smartphone. Now through June 14, anyone who upgrades or activates a Verizon 4G LTE smartphone through Wirefly will receive a $40 bill credit. You can activate and receive the discount on up to five 4G LTE devices for each qualifying line.