Apple’s long-awaited entry into the foldable smartphone market, the iPhone Duo, has drawn immediate attention in China over its eye-watering price tag and exclusive dual-eSIM design, as the American tech giant targets entrenched domestic rivals Huawei Technologies and Xiaomi. Unveiled on Wednesday, the iPhone Duo – Apple’s thinnest and most expensive flagship model yet – captured the attention of Chinese consumers with its smooth transition between inner and outer displays. By Thursday morning,...