HY300 4K Smart Projector Guide
Cristian Andrei Romascu Radu Utilities iPhoneiPadiPod touch
HY300 4K Smart Projector Guide is a free Utilities app for iPhone and iPad by Cristian Andrei Romascu Radu. Rated 1.3/5 from 3 ratings. Requires iOS 16.6.
- Rating
- 1.3
- 3 ratings
- Price
- Free
- on the App Store
- Size
- 7 MB
- Age 4+
- Updated
- Sep 11
- 2026 · v1.2
Screenshots
About HY300 4K Smart Projector Guide
HY300 4K Smart Projector Guide is a quick, step-by-step helper designed for one thing: getting your projector set up and working with your iPhone without wasting time. Pick your issue, follow a short checklist, and apply the fixes that solve most common setup problems. What this guide helps you do • Complete first-time HY300 projector setup • Connect the projector to WiFi • Mirror an iPhone using AirPlay, Screen Mirroring, iOS Cast, or similar options • Fix blurry images using the available focus controls • Correct tilted or trapezoid-shaped images with keystone settings • Fix HDMI “no signal” problems • Solve Bluetooth, audio, remote-control, and app issues • Understand black-screen and streaming compatibility problems • Use factory reset safely when simpler fixes do not work Built for speed • Clear steps with no long paragraphs • Simple screens you can follow while setting up the projector • Helpful checks so you don’t miss the obvious: power, focus, input source, WiFi, Bluetooth, and projection settings • Troubleshooting guidance for common HY300 problems Important note HY300 projectors are sold by many different sellers and may use different firmware, menu names, focus controls, and built-in apps. Follow the manual supplied with your exact projector when its instructions differ from this guide. Independent guide / disclaimer This app is an independent guide/helper for HY300-family portable smart projectors. It is not affiliated with or endorsed by any projector manufacturer, seller, streaming service, or official projector application. This app does not control, connect to, cast to, or remotely operate your projector. It provides setup and troubleshooting information only.
What’s new
Version 1.2 · Updated September 11, 2026
Performance improvements and bug fixes.
App privacy
The developer, Cristian Andrei Romascu Radu, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Identifiers: Device ID
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Performance Data
Used for: Third-Party Advertising
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Diagnostics: Crash Data
Used for: Third-Party Advertising, App Functionality
Alternatives to HY300 4K Smart Projector Guide
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| HY300 4K Smart Projector Guide | 1.3 / 5 (3 ratings) | Free | September 11, 2026 | |
| Mobile Mouse Bluetooth Remote | 4.0 / 5 (4) | Free | Oct 14, 2026 | Compare |
| DP Smart Control | – | Free | Jan 6, 2026 | Compare |
| tranScreen | 2.1 / 5 (63) | Free | Jul 10, 2026 | Compare |
| ProjLink | – | Free | Apr 23, 2026 | Compare |
| SmartRemote: TV Controller | 3.0 / 5 (2) | Free | Aug 12, 2026 | Compare |
| Universal Remote — TV Control | 3.9 / 5 (54) | Free | Sep 22, 2026 | Compare |