A post-launch BIOS update will see all the firmware and software improvements of the new version brought to the original Steam Deck.
Steam Deck OLED Announced: Pre-Orders from November 16
Steam Deck OLED review: It's just better
Valve Announces Steam Deck OLED, Says Switch OLED Paved The Way
Steam Deck OLED review: consider me fully converted
Steam Deck OLED review
Steam Deck OLED vs Steam Deck LCD: Is it worth it?
Steam Deck OLED Review: Console-Style Upgrade
Handheld head-to-head: Steam Deck OLED v. Legion Go
Steam Deck OLED: What You Need to Know - Overclockers UK
Should you buy a Steam Deck OLED?
Valve is committed to bringing Steam Deck OLED 'battery life improvements to the LCD models as well
Steam Deck OLED Review