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The Xiaomi 18 Fold launched in mainland China featuring a custom Xring O3 chip built around Arm's new Mali G2-Ultra NX graphics processor, the product of five years of development. The chip introduces an AI gaming graphics accelerator to Arm's mobile GPU lineup, potentially bringing PC-like gaming graphics to a folding phone form factor. Hands-on impressions from IFA suggest the 18 Fold, Xiaomi's first book-style foldable since the 2024 Mix Fold 4, adopts the same short, wide design now common among Huawei and Samsung foldables, but with specs that reportedly surpass Samsung's Galaxy Z Fold 8, arriving in the same week Apple is expected to unveil its own foldable iPhone.