Android Circuit: Mysterious New Pixel 7 Ultra, Samsung Launches Z Fold 4 And Z Flip 4, Oppo And OnePlus German Sales Halted This week’s Android headlines; the Galaxy Unpacked launch, first thoughts on the Z Fold 4 and Z Flip 4, the mysterious Pixel 7 Ultra, design awards for ColorOS, patent issues hit Oppo and OnePlus, Apple’s iMessage lock-in called out, and more...