The Xiaomi MIX 4 is an Android smartphone launched on 10 August 2021 by Xiaomi.[1][2] As of 2021, it is the latest successor to the Xiaomi Mi MIX product line and follows its immediate predecessor the Xiaomi Mi MIX 3 which launched in 2018. The MIX 4 is the first device from Xiaomi to offer an under-display selfiecamera,[3] following the Axon 20 5G[4] and Axon 30[5] from ZTE; Oppo also previewed the technology a week before the MIX 4's release.[6]
Design
The back panel of the Xiaomi MIX 4 in Ceramic Gray
The camera island design is similar to Xiaomi Mi 11 Ultra's camera island but without second display.
On the bottom, there is a USB-C port, a speaker, a microphone, and a dual SIM tray. On the top, there is an additional microphone, the IR blaster and a second speaker. On the right side, there is the volume rocker and the power button.
The Xiaomi MIX 4 was available in 3 color options: Ceramic Black, Ceramic White and Ceramic Gray.
Specifications
Hardware
The Xiaomi MIX 4 is the first phone to be equipped with the Qualcomm Snapdragon 888+ SoC. It has an overclocked Kryo 680 Prime (Cortex-X1) performance core which runs at 2.99 GHz compared to 2.84 GHz in the Snapdragon 888.[7] The smartphone came in 8/128 GB, 8/256 GB, 12/256 GB, and 12/512 GB memory configurations.
The Xiaomi MIX 4 features a non-removable 5000 mAhlithium polymer battery with the 120W fast wired charging support, 50W fast wireless charging support, and 10W reverse wireless charging support.
Software
The Xiaomi MIX 4 initially came with MIUI 12.5 custom skin, which is based on Android 11. Later, the phone was updated to Xiaomi HyperOS, which is based on Android 14.
Xiaomi MIX 4 BYD
The Xiaomi MIX 4 BYD is a special edition of the Xiaomi MIX 4, co-developed with BYD Electronic — a supplier of ceramic panels and metal frames for the Xiaomi MIX 4 and other Xiaomi phones, including the Mi MIX 2S, Mi MIX 3, or Mi 11 Ultra. A total of 500 units were released, priced at $900 for the 8/256 GB memory configuration.[8]