Huawei’s 2018 flagship, the Mate 20 Pro is still a hot-selling model and an awesome device in all aspect. The company has been consistent in pushing update to the phone and that isn’t expected to stop soon. The Mate 20 Pro started receiving the much-touted EMUI 9.1 update at the end of June. EMUI 9.1 was announced with lots of fanfare, projected as packing several stunning features such as the new EROFS file system, GPU Turbo 3.0, and Moon mode for the camera.
DC dimming wasn’t one of the features the new update brought but right now, the Huawei Mate 20 Pro has started getting another update that brings this feature. DC dimming is gaining widespread popularity with each passing month especially among the Chinese smartphone makers. Most of them have already pushed updates or included DC dimming on their models sporting an OLED screens. The Huawei P30 Pro had earlier gotten its update ushering DC dimming earlier in June. The Mate 30 Pro update delivers the firmware version EMUI 9.1.0.135 and is currently on the China ROM. When it starts rolling out globally, you can enable it on your Mate 20 Pro by going to Settings > Display > Eye comfort > Enable Flicker reduction.
DC dimming essentially controls the brightness of the display by varying the power supplied to the circuit. There are two methods to control the screen’s brightness — Pulse Width Modulation (PWM) Dimming and DC Dimming. In PWM, the width of the light pulse is varied to control the brightness of the display panel while in DC dimming, the power supplied to the circuit is varied to control the brightness. You can read more about DC dimming from our article here.
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