In recent times, a high screen refresh rate has become an important component of flagship models. We have seen OEMs bump up the refresh rates of their smartphone models from the usual 60 Hertz to 90 Hertz and even up to 120 Hertz especially on gaming smartphones. This has brought improvement to the gaming experience. In this same vein, we have seen developers unlock hidden refresh rate options from the software kernel.

The Redmi K20 Pro is the latest recipient of such software tweak. The first flagship model under the Redmi brand was launched last year with support for 60 Hz refresh rate. A developer in China has now rooted the smartphone to increase the refresh rate to 75 Hz. A refresh rate is the number of times the display updates with new images each second. For example, a 60 Hz refresh rate means the display updates 60 times per second. In the same manner, a 75 Hz refresh rate updates 75 times per second. A higher refresh rate results in a smoother picture. Going from 60 Hz screen to a 75 Hz screen will show a slight, noticeable improvement. But it won’t be a huge difference compared to a 120 Hz refresh rate.

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Recently, the Galaxy S20 was revealed to have an unofficial 96 Hz refresh rate option that wasn’t made available by Samsung. The guys at XDA Developers were able to force the device to load the 96 Hz refresh rate which will offer a better battery consumption than 120 Hz. The Redmi K30 Pro was also revealed to have got a higher refresh rate via software tweak which involved rooting the phone. The Redmi K20 Pro refresh rate increase also involves rooting the phone which voids the warranty. Do note, though, that rooting and bumping up the screen refresh rate could damage the screen or even brick the smartphone. So, do it on your own risk.

In addition to the K20 Pro, Xiaomi Mi 9 software was also tweaked to increase the refresh rate to 84 Hz.

Perhaps, some developers will come up with something similar for the Global ROM soon.

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