Tutorial Change Mi Band 4 Theme!

Joined
May 10, 2019
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#1
Hi guys,

After some research with the help of @Irfan902, I've succeeded in changing Mi Band 4 Theme.

The original link in Chinese: click here

OK let's begin.

First download all files in the link below


We are going to use AmazfitBipTools, which is open-source and modified by Chinese Dev.

  1. First, download and extract those files
  2. Drag template.bin into WatchFace.exe
  3. Modify any pictures you want, in this case the Background Picture is 0000.png
    I used Photoshop for this
  4. Make sure all parameters are the same as mine
  5. In Photoshop, choose Save for Web, then choose PNG-8 like the picture below
  6. Save as 0000.png or replace the original file
  7. Drag the .json file into WatchFace.exe, a new file called template_packed.bin should appear in template folder.
  8. Open Mi Fit and download any theme. Here I use the pig with a yellow star
  9. I am using Android so plug your phone in your PC, use File Explorer head to Android/data/com.xiaomi.hm.health/files/watch_skin_local
    Jump in to your earlier downloaded theme folder (you can find it by the thumbnail image inside)
  10. Copy that theme folder's name and rename the _packed.bin file with that (ex. 4lIYUjzg3Vwqt8tJU9sYLeOSqUSAreJNzUxJhxgM.bin)
  11. Replace the original file with the modified file
  12. Open Mi Fit and sync the watch face with the band
For advanced users: you can edit the .json files to change position of elements!

That's it. Feel free to ask any questions below. All credit goes to BandBBS.
65076871_1478189998989469_6326086115149217792_n.jpg?_nc_cat=108&_nc_oc=AQl-kjDAAOm8OLq9_jV76Q6z97MivcJq-RV2Ywl3f8U-C3lmSXz4BtK23iwvgMPST2I&_nc_ht=scontent.fhan5-5.fna&oh=e2bcfb2ff6a286fc84460c0e89d3b345&oe=5D904385


I hope browser based tools like the one for Amazfit will be available soon, that'll be much easier

p/s: if anyone using iOS please try and comment below since I don't have any iOS devices
 

Kirill

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#2
Can we use images with more than 256 colors? Background images with such a small palette don't look good on the device.
 
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#3
Can we use images with more than 256 colors? Background images with such a small palette don't look good on the device.
in theory, yes.
But in this time, the tool is in beta so applying images with more than 256 colors will not be shown in mi band. I tried, it just shows a black background
 

Kirill

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#5
in theory, yes.
But in this time, the tool is in beta so applying images with more than 256 colors will not be shown in mi band. I tried, it just shows a black background
Who is working on programming of tool?
 
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#14
Is it just possible to change not just the position of the elements but maybe include some custom progress bars or custom fonts and colors?
 

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