In our previous blog, we introduced the plug-and-play LED Poster—a next-generation digital signage display that requires no complicated installation. Simply connect it to a power source, and you’re ready to showcase your visuals.
But here’s the next question: How do you update the media content on your LED Poster?
Today, we’ll walk you through the step-by-step process of updating your LED digital signage using nothing more than your smartphone.
Step-by-Step Guide to Updating Content on LED Poster
- Download the App
Start by downloading the Pingzhangkong App from your app store. This app is specifically designed for digital signage control. - Connect to Wi-Fi
On the LED Poster base, locate the Wi-Fi network name. Use your smartphone to connect directly to this network. - Automatic Device Connection
Once connected, open the app. It will automatically detect and connect to your advertising screen. - Upload Your Media
Tap “Add Media,” select your videos or images, and simply click One-Click Send. Your content will instantly appear on the LED digital signage display.

That’s it! 🎉 You can update your portable advertising display anytime, anywhere, directly from your smartphone. No technical knowledge needed—if you can use a smartphone, you can manage this screen.
Why LED Poster Is the Smartest Choice for Digital Signage
Our LED Poster isn’t just another retail digital signage solution. It’s the world’s first truly user-friendly advertising display designed for convenience and durability:
- ✅ Outdoor-ready: Waterproof and dustproof versions available.
- ✅ Battery-powered options: Perfect for locations without power supply.
- ✅ Foldable and portable: Easy to transport, install, and move.
- ✅ No after-sales headache: Built with long-lasting components, low maintenance.
Compared to traditional LCD panels or even outdated CRT monitors, the LED Poster offers higher durability, brighter visuals, and easier setup—making it the preferred choice for signage companies worldwide.
Stay Connected
Want to see the LED Poster in action? Follow us on Instagram where we share daily demos, videos, and real-world use cases.
👉 Whether you’re in the digital signage industry, an entrepreneur, or a business owner searching for the most effective advertising screen, the LED Poster is your best option.
📩 Interested in learning more? Contact us today and discover how this game-changing plug and play signage solution can grow your business.

