Experience ScarletiOS & Themes
Test-drive the full interactive smartphone simulator. Drag & drop or import any .mtz theme file directly into the browser, test Flow Glass, use the working dialer, notes, and camera.
💡 Tip: Tap to unlock, pull down from the top for quick toggles, or open Themes to import your own MTZ.
Live MTZ Theme Import
Open the in-phone Themes app to upload any MIUI or HyperOS .mtz theme file and preview it instantly in the browser.
Functional Phone Apps
Working dialer keypad, interactive messaging chat threads, device camera viewfinder, and browser notes pad.
PWA Installable
Add ScarletiOS directly to your device home screen as an offline progressive web application.
iPhone 16 Pro Dynamic Island Simulator
Want to simulate sideloading with the official Scarlet iOS IPA installer? Test the Dynamic Island below:
Welcome to Scarlet
Tap GET to test on-device IPA installation!
Interactive Simulator: Tap Scarlet to install tweaks, or tap bottom bar for Home!