Xiaomi has released MIUI 9 Global Beta ROM for the third batch of supported devices Chinese smartphone and electronics maker Xiaomi has released the Beta version of the MIUI 9 Global ROMs for the third batch of devices. The company posted the details of the roll out in a blog post on MIUI forums. The third batch of devices that are receiving the Beta update includes Mi Note, Mi 4, Mi 3, Mi 2/2S, Mi Pad 3, Mi Pad 2, Mi Pad 1, Redmi Pro, Redmi Note 4X MTK, Redmi Note 4, Redmi 4A, Redmi 4 Prime, Redmi 4, Redmi 3S/3X, Redmi Note 3, Redmi Note 2, Redmi Note 4G, Redmi Note, Redmi 3, Redmi 2A, Redmi 2, Redmi 1S, Redmi 1. The company is testing its MIUI operating system with the included tweaks to ensure that everything is optimised of the vast line-up of devices. Now that the Global Beta ROM has rolled out to the third and final batch of supported devices, software engineers at Xiaomi will iron out any issues that crop up with devices before rolling out the f...