How to adjust screen brightness on Mi Band 2: Complete Guide

The Xiaomi Mi Band 2 fitness bracelet has become a hit among budget wearables, but many users still face a problem: too dim a screen in sunny weather or, conversely, an overly bright backlight at night that puts the battery on. Unlike modern models with touch screens, the Mi Band 2 is controlled through a physical button and a conjugated application - and this often causes confusion.

In this article, we'll look at all the brightness adjustments available on the Mi Band 2, including hidden features that aren't obvious at first glance, how to optimize screen visibility in different conditions, extend battery life, and even return factory settings if something goes wrong, and why brightness sometimes drops on its own and how to avoid it.

Let's warn you right away: the Mi Band 2 doesn't support automatic brightness control (unlike the Mi Band 5/6), so you'll have to make all the changes manually, but that doesn't mean there are not many options - there are at least three, and each has its own nuances.

═══

1. Brightness adjustment via the Mi Fit app

The main way to change the brightness of the Mi Band 2 screen is to use the official Mi Fit app (or its alternatives like Notify & Fitness), which gives you access to all display parameters, including backlight time and contrast.

Here's the step-by-step instruction:

    Important: In some versions of Mi Fit (especially older than 4.6.0), the brightness item may be called β€œLighting” or β€œContrast”. If you don’t find it, update the app via Google Play or the App Store.

    Bracelet connected to phone via Bluetooth

    Mi Fit version not older than 4.0.0

    Mi Band 2 charge level above 20%

    The Internet is on (for synchronization)-->

    Battery saving tip: If you use the bracelet only for notifications, set the minimum brightness and reduce the backlight time to 3 seconds, which will increase the autonomy by 10-15%.

    2. Brightness adjustment through the physical button of the bracelet

    Few people know, but the Mi Band 2 allows you to quickly switch brightness levels right from the bracelet - without a phone.

    1. Press the physical button under the screen once to unlock the bracelet.
    2. Hold the button for 3-4 seconds until the settings menu (cog icon) appears.
    3. With short presses, scroll through the points to the icon β€œSun” (brightness).
    4. Select the desired level (from 1 to 3) and confirm by holding the button.

    This method is convenient when you urgently need to increase the brightness on the street, but there is a caveat: the settings are reset after synchronization with Mi Fit. That is, if you change the brightness through a button, and then opened the application, the bracelet will return to the previous parameters.

    πŸ’‘

    If the settings menu doesn't open, try resetting the bracelet to the factory: hold the button for 10 seconds until the vibration appears, and then you have to re-synchronize it with the phone.

    3. Why does the brightness drop by itself?

    Many users complain that after updating the firmware or reconnecting to the phone, the brightness of the Mi Band 2 screen returns to factory settings.

    • πŸ“± Software version conflict: if the bracelet firmware older than 1.0.1.14, and in Mi Fit – newer than 4.5.0, the settings may not be saved.
    • πŸ”„ Automatic synchronization: When connected to a new phone, the bracelet resets user settings.
    • πŸ”‹ Battery discharge below 10%: in this case, the bracelet goes into energy saving mode and dull the backlight.

    Decision:

    1. Update the bracelet firmware through Mi Fit β†’ Device Profile β†’ Software Update.
    2. Turn off automatic synchronization in the application settings (if any).
    3. Charge the bracelet to 100% before changing the settings.

    Once a week.

    Only when the lights are changed.

    Never change.

    Depends on the level of charge.-->

    4. Alternative applications for brightness adjustment

    If the standard Mi Fit is not satisfied (for example, due to limited features), you can use third-party utilities.

    • πŸ“² Notify & Fitness for Mi Band: allows you to adjust the brightness in increments of 10%, rather than fixed values.
    • πŸ”§ Mi Band Master: supports custom firmware with advanced display settings.
    • πŸ› οΈ Tools & Mi Band: Gives access to hidden settings, including backlighting time up to 10 seconds.

    Warning: Third-party applications may disclaim warranties and cause errors in the bracelet. Before using, back up your data via Mi Fit.

    How to return standard settings after third-party software?
    1. Remove the alternative application. 2. Reset the bracelet to the factory (hold the button 10 seconds). 3. Reconnect to Mi Fit and sync. 4. Update the firmware to the latest version through official software.

    Important! When using custom firmware (such as Mi Band 2 Custom Firmware), brightness can be adjusted through the config.ini configuration file, but this requires ADB skills and can cause the bracelet to break if you make a code error.

    Table: Optimal brightness settings for different conditions

    To save time, we have compiled recommended settings for typical Mi Band 2: use cases.

    ConditionsBrightness (level)Lighting time.Expected autonomy
    Night time (sleep)1 (minimum)3 seconds25 days
    Office/house (regular lighting)25 seconds18-20 days
    Street (sunshine)3 (maximum)7 seconds12-15 days
    Sport (high activity)310 seconds10-12 days

    *Requires third-party software (in standard Mi Fit maximum - 7 seconds).

    πŸ’‘

    Maximum brightness and backlight time reduce autonomy by 30-40%. The optimal balance is level 2 with backlighting of 5 seconds.

    6. Frequent mistakes and how to avoid them

    When setting the brightness to the Mi Band 2, users often make the same mistakes.

    ⚠️ Warning: If you turn completely black after the brightness changes, or if you don't respond to the button, it's not a problem! You probably accidentally activate the power saving mode. To get out, plug the bracelet into charging for 10 minutes.

    • πŸ”Œ Low charge setting: If the battery is below 15%, the bracelet may ignore the changes.
    • πŸ“΅ Bluetooth Disconnection During Sync: This Leads to Resetting Settings.
    • πŸ”„ Use of older Mi Fit: versions below 4.0.0 have no brightness slider.

    Another common problem is that the bracelet doesn't respond to the press of the button after the brightness changes, and it's because of a firmware/app conflict.

    1. Remove Mi Fit and install it again.
    2. Reset the bracelet to factory settings.
    3. Update the firmware through official software.

    7. How to extend the life of the Mi Band 2 screen?

    The Mi Band 2 screen is the OLED-A panel that loses its brightness over time because of the pixel burnout, to slow down the process:

    • πŸŒ“ Avoid maximum brightness in everyday use.
    • ⏱️ Reduce the lighting time to a minimally comfortable.
    • πŸ”„ Regularly (once a month) reset your bracelet settings – this helps to reset the β€œstuck” pixels.

    Fun fact: the Mi Band 2 uses the same type of screen as the Apple Watch Series 1, but without the touch layer. So the rules of care are similar – the main thing is to avoid static images (for example, a constantly burning dial with one background).

    πŸ’‘

    If the screen gets dimmed even at maximum brightness, try calibrating: set the minimum brightness, then maximum, and go back to the average again. This sometimes wakes up the backlight.

    FAQ: Answers to Frequent Questions

    Can I turn off the screen light completely?
    No, but you can set the minimum brightness (level 1) and reduce the backlight time to 3 seconds, and completely turning off the backlight will make the screen unreadable even in the dark.
    Why did the brightness drop after the firmware update?
    This is the standard Mi Band 2 behavior, where when you update the software, all user settings are reset to factory settings. After you update the new configure, the brightness is reset via Mi Fit.
    Can you adjust the automatic brightness?
    In standard firmware, no. But some custom firmware (e.g. Mi Band 2 Custom by Alex>) add this feature, and note that installing them requires skill and may void warranty.
    How to check the current brightness level?
    On the bracelet itself, it's not. But in Mi Fit, the current level is displayed in the Display Settings section, and you can also navigate by visual brightness: Level 1 is barely visible in the dark, Level 3 is clearly visible in the sun.
    How many brightness levels are available?
    Standard firmware has 3 levels, and alternative firmware (e.g. Notify & Fitness) can have up to 5.