Replacement of charger on Xiaomi: full instructions with photos and tips

The charger is one of the most vulnerable components in the smartphone ecosystem. Even reliable Xiaomi devices, power supplies and cables fail due to mechanical damage, voltage changes or trivial wear. If your Redmi, POCO or Xiaomi 13 flagship stopped charging, slowly gaining interest or does not respond to the connection to the network, the problem may lie in the charger.

In this article, we will discuss how to correctly diagnose a malfunction, choose a compatible power supply (including original and certified analogues), and safely replace charging without risking damage to the smartphone. Particular attention will be paid to models with support for Quick Charge, HyperCharge and wireless charging – here an error in choosing an adapter can lead to a decrease in charging speed or even damage to the power controller.

Important: If problems persist after the charge is replaced (for example, the phone does not recognize the cable or issues an error "No Charging is supported"), this may indicate a faulty USB-C port or battery.

Signs of malfunction of Xiaomi charger

Before you run to the store for a new power supply, make sure that the problem is in it. Here are the key symptoms that will help distinguish a charging failure from other malfunctions:

• ⚡ The smartphone charges very slowly (for example, from 0% to 100% in 5).+ hours when using the original cable).
• 🔌 Charging is interrupted at the slightest movement of the cable or block – this may indicate damage to the contacts inside the adapter.
• 🔥 The power supply or cable is heated to high temperatures (hotter than normal).
• ⚠️ The screen will display a notification “Use the original charger” or “Not supported charging".
• 📵 Phone does not respond to network connection, although the indicator on the power supply is on.

If you see any of these signs, try connecting your smartphone to another charger that you know is working, and if the problem is gone, your power supply is faulty, and if it isn't, it could be a USB-C cable, a charging port, or a battery.

⚠️ Note: Some Xiaomi models (e.g. Xiaomi) 12T Pro or Redmi Note 12 Pro+) They block charging from uncertified adapters at the software level. If you use a cheap no-name unit, the phone can limit the current to 500 mA, which greatly slows down the process.

How to choose a charger for Xiaomi: original vs analogues

The Xiaomi charger market is full of fakes and low-end analogues, so you don’t run into a marriage or a phone-threatening adapter, follow these rules:

1. Original Xiaomi chargers

The best choice is Xiaomi’s branded power supplies, which come bundled with the phone or sold separately, and are certified and guaranteed to support all fast charging technologies (Quick Charge 3.0/4+, HyperCharge, Turbo Charging).

• 🏷️ Hologram on the package with a unique code (you can check on the website Xiaomi).
• 🔍 Clear markings indicating the model (e.g, MDY-12-EU for 33W-charging).
• 🔌 High-quality contacts without backlash and signs of oxidation.

2. Certified analogues

If the original unit is too expensive, choose an adapter from proven brands:

• 🔋 Anker (PowerPort or Nano Series) – Quick Charge and Power Delivery.
• ⚡ Baseus (GaN-certified models) – compact and powerful (up to the top) 65W).
• 🔌 Ugreen – budget option with good protection against overheating.

Avoid no-name charges without markings! they can not only slowly charge the phone, but also damage the battery due to unstable voltage.

Step-by-step instructions for replacing the charger

If you are convinced that the problem is in the power supply, follow this instructions for safe replacement:

1. Turn off the old charger from the socket and phone. Let it cool if it was hot.
2. Check the new power supply for packaging integrity and labeling. Xiaomi's original adapters have a hologram and serial number.
3. Connect the cable to the new unit. Use the original cable or certified analogue with the right power support (for example, for the purpose of using the new unit). 67W-Charging requires a cable with support USB-C 2.1 or USB 3.2).
4. Plug the unit into the socket and connect it to the phone. The charging icon with the speed indication should appear on the screen (for example, "Fast Charging").

Make sure the power of the unit matches the phone model |

Use a cable that supports the right protocol (USB-C 2.0 is not suitable for 67W+)|

Check the temperature of the unit after 10 minutes of operation (should be warm but not hot)|

Set up a charging limit in MIUI (Settings → Battery → Charging modes)-->

If the phone is not charged after connection:

• 🔄 Try another cable.
• 🔌 Connect the block to another outlet (possibly a problem on the network).
• 📱 Reboot your smartphone – sometimes MIUI resets the power settings.

⚠️ Warning: If a new power supply starts hissing, sparkling or heating up very much immediately after being connected, turn it off immediately.

What to do if the new charging does not work

You bought a new adapter, but the phone is still not charging or is doing it too slowly?

If neither solution worked, the problem could be the power controller or the battery, in which case you should contact Xiaomi’s service center.

How to extend the life of a Xiaomi charger

Even Xiaomi's original power supplies fail over time, to extend their lifespan as much as possible:

• 🔌 Do not pull the cable from the block by the cord - take the connector.
• 🌡️ Avoid overheating: Do not cover the power supply during operation and do not use it in hot rooms.
• ⚡ Do not use low quality extension cords – they can cause voltage surges.
• 🔋 Turn off charging at 100% (or set the limit in the MIUI), to reduce the load on the adapter.

The average lifespan of Xiaomi’s original power supply is 2-3 years with heavy use, and if you notice that charging has become slower or more unstable, you might want to consider replacing it.

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If you travel frequently, buy a compact GaN charger (like the Baseus 65W) that is lighter, less warm and supports multiple fast charging protocols.

Wireless charging: features for Xiaomi

Many flagship Xiaomi models (for example, Xiaomi 13 Pro, Mix Fold 2) support wireless charging up to 50W. If you decide to switch to this method, consider the following nuances:

• 🔄 The charging speed depends on the standard: Qi (10W) vs Mi Wireless Charging (30–50W).
• 📱 Positioning: The phone should lie strictly in the center of the charging pad.
• 🔋 Heating: Wireless charging heats your phone more than wired charging.

For maximum efficiency, use Xiaomi’s original wireless charging (such as the Mi Wireless Charging Pad 50W) which is optimized for fast charging and has built-in overheat protection.

FAQ: Frequent questions about replacing charging with Xiaomi

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Using non-original chargers can lead not only to slow charging, but also to damage to the smartphone power controller. Always check compatibility by power and protocols (Quick Charge, PD, HyperCharge).