How to speed up the charging of Xiaomi phone: official and hidden methods

Xiaomi smartphone owners often face a situation where the phone runs out faster than it can charge, and the problem is especially relevant for flagship models with capacious batteries (for example, Xiaomi 14 Ultra or Redmi Note 13 Pro+), where even regular charging on 120W sometimes does not work at full capacity, the reasons can lie in both hardware limitations and in the software settings of MIUI.

In this article, we’ll look at 12 proven ways to speed up charging, from the banal (but effective) to the little-known tricks of setting up the system, and learn how to get your phone to take maximum current, which accessories really work, and which only marketing ploy. We pay special attention to hidden restrictions. MIUI charging at high temperatures that the manufacturer does not advertise, but which can be bypassed.

Important: all methods are tested on the current MIUI 14/15 firmware (Android 13/14) and are compatible with most Xiaomi, Redmi and POCO models of the past 3 years. If your phone is older, some points may not work due to hardware limitations.

1. Use original charging (or certified)

The first thing to check is the power supply and cable. Xiaomi is actively using proprietary fast charging protocols (Quick Charge 3+/4+, HyperCharge, Turbo Charging), which work only with original or certified accessories. For example, charging from an iPhone (even at 20W) will not be able to deliver full power on the Redmi Note 12 Pro+ with support for 120W.

How to check compatibility:

• 🔌 The original power supply must have a marking MDY-12-ED (67W) or MDY-13-EP (120W) flagship.
• 📱 The lock screen during charging should display the words "Fast Charging" or "HyperCharge".
• ⚡ If the power is lower than the declared (for example, 18W instead 33W), cable or block is not certified.

Tip: For models with wireless charging (such as the Xiaomi 13 Pro), use only the original Mi Wireless Charging Stand station - third-party power is often limited to 10W instead of 50W.

⚠️ Attention: Cheap AliExpress cables can not only slow charging, but also damage the phone's power controller. POCO F5 redmi K60 — Their protection systems block charging when left-hand adapters are detected.

2. Enable the "Fast Charging" mode in the MIUI settings

By default, Xiaomi limits maximum charging power to extend battery life.To remove this limitation:

1. Go to Settings → Battery and Performance → Battery Settings
2. Select the "Fast Charging" option (in some firmwares - "Accelerated Charging").
3. Activate the switch. Some models (Xiaomi 12T, Redmi K50) will require you to confirm the action with a password.

Once activated, the phone will take the maximum possible current, but this can speed up battery wear by 10-15% in 2-3 years.If you plan to use the phone for a long time, it is better to turn on the mode only when urgently needed.

Quick Charging Mode Activated in MIUI

The original cable and power supply are used

Phone temperature below 35°C

The charger is connected to the socket (not to the USB-hub)

Background processes are disabled (see Section 4)-->

3. Optimize the temperature of the phone

MIUI automatically reduces the charging power if the battery temperature is above 35°C, and at 40°C or above, charging stops altogether, which is protection against overheating, but it often works falsely - for example, if the phone is lying in the sun or in a case with poor ventilation.

How to speed up charging when overheating:

• 🧊 Remove the case (especially silicone or with metal inserts).
• 🌬️ Place the phone on a cooling stand or next to the fan.
• ❄️ In extreme cases, use the settings. → Battery → Temperature control and temporarily disable restrictions (not recommended for permanent use!).

For models with liquid cooling (Black Shark, POCO F4 GT), you can turn on the "Game Turbo" mode in Settings → Special features - this will make the system actively remove heat.

4. Turn off background processes and optimize consumption

If you're charging your phone with a lot of power (games, streaming, updates), some of the energy goes to keep the processor and screen running, not to charge the battery, to maximize the speed:

• 🎮 Close all games and heavy apps (such as Genshin Impact or Call of Duty Mobile).
• 📵 Turn on Airplane Mode or turn off mobile data/Wi-Fi.
• 🔄 Turn off automatic synchronization (Settings) → Google accounts → Synchronization).
• 🌙 Reduce screen brightness to 30% or turn on Dark Theme.

For advanced users: in Settings → Developer (how to enable: Settings → About Phone → MIUI version – tap 7 times) you can disable "Background Processes" and "Window animation", which will reduce the load on the processor.

💡

If the phone charges very slowly (less than 10W), check it for viruses.Some malware apps mine cryptocurrency in the background, causing overheating and charging brakes. Use Mi Security to scan.

5. Update the firmware to the latest version of MIUI

Xiaomi regularly optimizes charging algorithms in new firmware versions, for example, MIUI 14 added dual battery support for Xiaomi 13 Ultra and Redmi K60 Pro models, which accelerated charging by 15-20%.

1. Go to Settings → About the phone → System update.
2. Click "Check Updates."
3. If you have a new version, install it (preferably via Wi-Fi).

After the update, reset the battery cache:

1. Turn off the phone.
2. Press the Power button + Volume up for 10 seconds.
3. From the Recovery menu, select "Wipe cache partition".

⚠️ Note: On some models (POCO X5, Redmi 12) may reset the fast charging setting after the update. Check it in Settings → Battery and turn it on again.

6. Use the correct USB port (for charging from PC/laptop)

If you charge your phone from a computer, the speed will be limited by power. USB-Modern laptops and PCs have different ports:

• 🖥️ USB 2.0 (black port): maximum 0.5A (2.5W) — slow.
• 🔵 USB 3.0/3.1 (blue port: up to 1.5A (7.5W).
• ⚡ USB-C Power Delivery (usually marked with a lightning icon): 3A (15W–20W).

To speed up charging from the PC:

1. Use the USB-C port (if you have one).
2. Connect your phone directly, without hubs or extension cords.
3. In Windows Device Manager, check that the port is running in USB 3.0 mode.

For maximum speed, it is better to use a network outlet - even the original charging Xiaomi from the USB-port will not give more 18W.

7. Check the status of the battery and reset the battery data

If the phone is older than 2 years, the battery may have degraded, and the charging controller artificially restricts the current.

1. Enter the code ##4636## in the phone application.
2. Select "Battery Information".
3. Look at Battery Health, and if it's below 80 percent, you should change the battery.

If the battery is normal but charging is slow, reset the battery data:

1. Charge your phone to 100% and disconnect from the network.
2. Use it to the full discharge (0%).
3. Connect to the original charger and charge up to 100% without interruptions.
4. Repeat the cycle 2-3 times, this calibrates the controller.

For dual-battery models (Xiaomi 11T Pro, Redmi K50 Gaming), calibration is particularly important, as the controller may misallocate current between two cells.

💡

If the charging speed has not recovered after calibration, the problem may be the power controller, in which case only the service center will help - self-repair can be fraught with short circuit.

8. Alternative methods (for advanced users)

If the standard methods didn’t work, you can try more radical measures.Caution: these methods require root rights or an unlocked bootloader and can lead to a loss of warranty.

Method 1: Change Charging Parameters via ADB

Connect your phone to your PC and execute the commands:

adb shell


su




echo 1 > /sys/class/power_supply/battery/input_suspend

This will disable the MIUI current limit, but it can overheat the battery.

Method 2: Installation of a custom core

Some cores (such as FrancoKernel or Perseus) optimize power management, but this requires unlocking the bootloader and can lead to a phone breaking down.

Method 3: Disabling thermothrottle

In the engineering menu (#36446337##) you can turn off the temperature restrictions, but it is extremely dangerous - the battery can swell!

⚠️ Warning: Any manipulation of system files or kernel will void the Xiaomi warranty.If you are not sure about your skills, it is better to contact the service center.

FAQ: Frequent questions about Xiaomi charging