Tbh I wouldn’t clone your LCD Steam Deck on to your OLED Steam Deck that screams like a bad time. The hardware is similar, but might be different enough that it causes your new steam deck to start boot looping. if you’re worried about losing your emulation stuff and EmuDeck has a transfer tool already. All your Steam games can be redownloaded locally if enabled and tons of games support cloudy saving. If you do decide to clone it anyway let us know how it goes.
HL3 clearly