MTZ Tester - Apply MIUI Theme

Contains adsIn-app purchases
3.0
1.2K reviews
5L+
Downloads
Content rating
Everyone
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About this app

-Apply MIUI Theme on xiaomi devices using MIUI ROM.
-MIUI theme editor

Note :
*in some devices it may not work.

*this app can't apply theme permanently, that's why we call it "Tester" because it's just a tester.
Updated on
7 Oct 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Device or other IDs
No data collected
Learn more about how developers declare collection
Data isn’t encrypted

Ratings and reviews

3.0
1.17K reviews
Αναστασία Κοντοστάνου
15 January 2025
Hello dev/s, i just wanted to confirm that the app works on hyperos 1.0.9, on mi 11 lite with android 14. I just had to reboot the device immediatelly after the mtz apply and the theme is ok after 2 days. The only situation is that when i go on heavy gaming , i have to re-apply it afterwards cause of limited ram (7.3 gb). I think it's better on newer brands. Nevertheless, i'm satisfied with the results. Keep it up!
16 people found this review helpful
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Shivjith
11 November 2025
Hey, this is for whoever wants to install a theme for your phone. PLEASE CREATE A BACKUP OF YOUR PHONE I got bricked out of my phone and completely locked unable to switch on my phone. It shows a blank screen and nothing else. I had to do a factory reset to use it so PLEASE be careful.
12 people found this review helpful
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Kurayami Shitoka
11 January 2024
I just hope this application can develop further, because I hope the theme I imported will become permanent :) Because it's a hassle if every day I go back and forth to the application almost 30 - 40 times to re-import files....:(
25 people found this review helpful
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What's new

[Theme Editor] Overwrite theme if it already exists when saving theme