Credit: Android HeadlinesTL;DRSamsung has opened reservations for its upcoming Galaxy devices ahead of the July 22 Galaxy Unpacked event.Customers who reserve now can receive a $30 Samsung credit when they pre-order, down from the $50 credit offered last year.Samsung is also running a sweepstakes with ten $500 Samsung.com gift cards, replacing last year’s single $5,000 grand prize.Samsung has opened reservations for the Galaxy Z Fold 8 series and other devices ahead of the July 22 Galaxy Unpacked event. As usual, this is a chance for prospective buyers to secure pre-order perks before the company’s latest foldables and wearables are officially announced.