How to Check Battery Health on Xiaomi Phones (Hidden MIUI Battery Menu Guide)

 

🔋 Why Checking Battery Health Matters

Your Xiaomi phone’s battery is its heartbeat — every function depends on it. Over time, lithium-ion batteries degrade as they complete charging cycles.
Each full charge from 0% to 100% counts as one cycle, and after hundreds of cycles, capacity naturally declines.

Monitoring your battery health and charge cycle count helps you decide whether it’s still efficient or due for replacement.

Did you know? For a complete guide on this topic, check out the Xiaomi Learning Hub and explore related tips in the Battery & Power Topic Hub.

🔹 How to Access Xiaomi’s Hidden Battery Health Menu

Most users don’t know that MIUI includes a hidden diagnostic screen that displays your battery’s real condition — no apps or root required.

Follow these exact steps:

Step 1: Open the Dialer

Go to your Home screen › Phone app (the default dialer on MIUI).

Step 2: Enter the Diagnostic Code

Type the following code exactly as shown, then press the call button:

*#*#6485#*#*

After entering the code, your screen will instantly switch to the MIUI Battery Information Menu, which displays several technical readings.

🔹 Understanding the Battery Menu Codes

CodeDescription
MB_06Shows the current health status of your battery. If it says “Good”, your battery is still in healthy condition.
MF_02Displays the total number of charge cycles since your phone’s first use. Higher numbers mean more wear.
MF_00Indicates the real capacity percentage of the battery compared to its original design capacity.

🔹 How to Interpret the Battery Health Data

Here’s how to make sense of the values you see:

  • MB_06 = Good → Battery health is fine.

  • MF_02 > 600–800 cycles → Your battery is aging; expect shorter battery life soon.

  • MF_00 < 80% → Actual capacity has dropped significantly; consider replacing the battery.

  • If your phone shuts down suddenly or drains too quickly even when MB_06 says “Good,” it usually means the battery is physically worn out.

🔹 Optional: Cross-Check Using MIUI Settings

You can also view general battery stats through:
Settings › Battery › Battery usage stats › More settings › Battery saver.

However, these built-in stats only show usage — not true health or cycle count.
That’s why the ##6485## method is the most accurate for Xiaomi, Redmi, and POCO phones.

🔹 Summary: Quick Steps to Check Xiaomi Battery Health

  1. Open Phone app.

  2. Dial *#*#6485#*#*.

  3. Review:

    • MB_06 → Health status

    • MF_02 → Charge cycles

    • MF_00 → Capacity

  4. Replace the battery if:

    • MB_06 ≠ “Good”, or

    • MF_02 exceeds 800 cycles, or

    • MF_00 drops below 80%.

This simple method lets you check Xiaomi battery health without any third-party apps, ensuring your phone runs smoothly and efficiently for years.

💡 Pro Tip:

For long-term battery health, avoid full 0–100% cycles. Instead, charge between 20% and 80%, and keep your phone away from heat during charging.

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