You may not have heard of iQOO, but it is a sub-brand of Vivo, which is part of the BBK Electronics group (the company behind Oppo, OnePlus, and Realme). iQOO 15 Ultra is their flagship model, while iQOO 15 and iQOO 15R are mid-rangers. The most expensive model comes with beautiful blue and orange launch wallpapers, and in this post, we offer them for download to use on your iPhone or other devices. Along with the official wallpapers, we have also included some cool variations that look equally amazing. According to GSMArena , the Vivo iQOO 15 Ultra was announced in February this year and features a 6.85-inch AMOLED display with a 144Hz refresh rate and a 90+% screen-to-body ratio. The phone runs on a 3-nanometer Qualcomm Snapdragon 8 Elite Gen 5 chip, and every model has at least 16GB of RAM, with the top model offering an incredible 24GB of RAM and 1 TB of storage. Not only do most flagship smartphones, but many Windows computers and Macs lack 24GB of memory!…