Xiaomi 15 Ultra is expected to go official early next year. There’s no word from Xiaomi about the arrival of the Xiaomi 14 Ultra successor yet, but a prominent Chinese tipster has suggested key details about the device. The Xiaomi 15 Ultra is tipped to be available in three different backplate materials. Qualcomm’s unannounced Snapdragon 8 Gen 4 chipset is expected t… mobiles Xiaomi 15 Ultra is expected to go official early next year. There’s no word from Xiaomi about the arrival of the Xiaomi 14 Ultra successor yet, but a prominent Chinese tipster has suggested key details about the device. The Xiaomi 15 Ultra is tipped to be available in three different backplate materials. Qualcomm’s unannounced Snapdragon 8 Gen 4 chipset is expected t…