Redmi K40 Pension Guide

Original link: https://www.baifan97.cn/archives/1242/

01 System optimization

Principle: smooth daily use, high performance when playing games, and long battery life when not playing games

Magisk module

1. Zygisk-LSPosed: a necessary module for LSPosed manager

2. Automatic fairy save bricks: a necessary module to prevent bricks

3. MIUI temperature control

To solve the problem of lowering brightness and locking low frame rate caused by heat generation, install the module and adjust the mode in [Gan! MIUI Temperature Control] APP, most people are more suitable for均衡模式

4.Uperf (YC scheduling)

Dynamically set parameters to control performance release according to the current scene type (operating APP), which can be configured usingYC scheduling management or Scene5

auto: Dynamically respond according to the App being used
balance: balanced mode, slightly smoother than the original factory and slightly less power
powersave: Caton mode, ensuring basic smoothness while reducing power consumption as much as possible
performance: power consumption mode, to ensure a little more fluency while consuming power
fast: performance mode, more aggressive than balanced mode

Open source address: https://github.com/yc9559/uperf
Download address: https://yc9559.lanzoum.com/idMHe0b1pbxc

5. Dfps (dynamic refresh rate used with YC scheduling)

Configure different refresh rates for different APPs, and use different refresh rates when touching and not touching to achieve the effect of power saving. Open source address: https://github.com/yc9559/dfps
Download address: https://yc9559.lanzoum.com/iakvC0l2ly9i

6.DarkP (MIUI dark mode completion)

Let the dark mode of MIUI14 adapt to all APPs

7. Turn on DC dimming & full-screen display with a hole in the center & enhanced vibration

Software (including LSPosed module)

1. YC scheduling management

Upperf Upperf
Select动态as the global performance mode, and you can set the off-screen/default schedule separately, and enable the separately configured APP performance mode to take effect

The effect of different modes:

动态:根据正在使用的App进行动态响应省电模式:卡顿,保证基本流畅的同时尽可能降低功耗均衡模式:比原厂略流畅的同时略省电极速模式:保证性能,相对于均衡模式更加激进性能模式:费电,保证费电的同时多一点流畅度

Configuration principles:
Most apps use balanced mode. Apps that do not require performance release are configured as power-saving mode, such as: novels, comics…
If an app that needs performance release can run smoothly in extreme speed mode, do not set it to performance mode

The configuration principle of dynamic resolution:
The off-screen state and idle state are set to 60Hz
Apps such as novels and comics that do not require high frame rates are set to 60Hz
Games or videos or apps that are frequently used and can clearly perceive the difference in frame rate are set to 120Hz

2. Cemiuiler/StarVoyager

Functions that are recommended to be opened by the hodgepodge module that makes MIUI more powerful: ①Enhancement of the small window ②Unlocking of camera and album functions ③Disable Joyose cloud control, and enable other functions as needed (the more apps in the scope may consume more power)

3. MIUI Free Window

It can implement Flyme’s small window operation logic, so that the blacklist APP also supports small windows, jump/share between apps and use small windows, and remove the limit on the number of small windows

4. Gan! MIUI temperature control

Use with Magisk module

5. Kona Bess

GPU overclocking and step-down software, reasonable overclocking and step-down parameters can allow the GPU to achieve the same performance with lower power consumption, and at the same time release higher performance in the limit state After testing, 865/870 overclocked to 888 with similar performance and power consumption lower

Open source address: https://github.com/libxzr/KonaBess
Download address: KonaBess

Share a few parameters that I have used myself. Those with strong hands-on ability can learn to adjust the parameters that are most suitable for their processors.

1. Highest performance 936-280
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2. The relatively stable (currently I am using) 888-305

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3. Power saving (suitable for not playing games) 630-250

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Overclocking parameters: https://mubucm.com/doc/42mK7wufR3v

For K40 shipped after March 20, the maximum frequency of the GPU can only be 683. If it is adjusted higher, it will be jammed. It is best to check the date of manufacture before adjusting the parameters, and install超频防砖模块to back up the data.

Copy configuration-import export-import from clipboard-paste-confirm-package and flash into the image
import configuration import configuration

02 Hardware modification

Replace the high-capacity battery


I bought it for the first time, the original battery has been used for 2 years, and the actual capacity is estimated to be only 2800mah

I bought a 5000mah battery from CLP and replaced it with the capacity

It has been used for 3 months now, and the measured capacity is 5900mah, which is much more durable than before

Cooling magic change

The heat dissipation of the K40 is poor, there is only a small copper tube in the middle frame aru-66.png
Even if the 870 itself is not serious, it is really hot in summer

So while changing the battery, just change the cooling…

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