Open Google Play Store → Profile → Play Protect → Turn it
OFF (required for accessibility permission).
Enable Install from Unknown Sources for your browser or file manager.
Install the downloaded APK and open MTZ Installer Pro.
Download your desired .mtz theme file.
Tap on Select MTZ File and choose the theme file.
Click Install / Apply.
Open Themes App → Go to My Themes → Apply the theme.
For permanent apply: Open Recent Apps → Long press app → App Info
(Gear Icon).
Enable "Allow Restricted Settings".
Go to Accessibility → Downloaded Apps → Enable
Hyper Theme Service.
Return to app → Tap Ignore Battery Optimization → Select No
Restrictions.
Open Recent Apps and Pin MTZ Installer Pro.
Note: Theme will remain applied permanently unless the app is closed or
killed.
How to Apply '
Juicy Watermelon' MTZ File Using MTZ Tester
Download MTZ Tester from the Google Play Store and open the app.
Inside MTZ Tester, tap on "Choose MTZ."
When prompted, browse to the directory where your
Juicy Watermelon MTZ file is located.
Select the
Juicy Watermelon MTZ file from your
storage.
Tap the "Apply" button to set the chosen
Juicy Watermelon MTZ theme.
If you are a Global Theme Store user, you might be asked to select the MTZ file again.
How to Permanently Apply '
Juicy Watermelon' MTZ File in HyperOS custom Rom
Download the
Juicy Watermelon theme from our website.
In case you encounter issues with MTZ file downloads, we recommend watching our
tutorial for assistance.
Open the Themes app on your HyperOS custom ROM and select "My Account."
In the "My Account" section, you will find a list of all the themes you've downloaded.
Scroll down to the bottom of the list, where you will find an "Import" button. Click on it.
Select the downloaded
Juicy Watermelon MTZ theme, and
then apply it to customize your device's appearance permanently.
How to Install '
Juicy Watermelon' on HyperOS using Theme Editor
(Temporary)
Download the
Juicy Watermelon MTZ theme file from the
provided link above.
Open the "HyperOS Theme Editor" app on your device.
Select the "Browse" option and locate the
Juicy Watermelon MTZ file you downloaded earlier.
Select the "Start" option to begin the theme installation process.
Next, select the "Next" option to proceed with the installation.
Now, select the "Finish" option to complete the installation process.
A message will appear, prompting you to install the theme. Select the "Install" option to
confirm.
The
Juicy Watermelon theme has been successfully
installed. Go to the Theme Store, and you will see the third-party theme you installed.
Click on it and select "Apply."
How to Apply '
Juicy Watermelon' Using Theme Swap
Note: Your theme will be applied but it will not show as applied in your theme center
Go to the Play Store and install "Theme Swap."
Open Theme Swap and click on the "+" plus button at the bottom of the app interface.
Select the .mtz file of the
Juicy Watermelon theme you
want to install. Click on the Hamburger Menu at the top left corner for the File Manager.
Tap "OK" and wait for the file to be unpacked.
Click on the
Juicy Watermelon theme name and select
"Theme Pack" and then "Apply."
A prompt will appear: "Theme Packed. Apply Now." Click "Yes" to apply the theme.
And there you go! Your
Juicy Watermelon third-party
theme has been successfully installed.