ScreenDoctor PRO vs C3 WiFi Controller

PROFESSIONAL SCREEN DIAGNOSTICS FOR YOUR iPHONE Is your iPhone screen acting strange? Dead pixels? Touch not responding? Before visiting an Apple Store, test your display yourself with Screen Tester - the most comprehensive screen diagnostic tool available. WHAT YOU CAN TEST: Solid Color Tests Display pure colors (white, black, red, green, blue, yellow, magenta, cyan) to detect stuck or dead pixels. The most effective method for finding screen defects. Gradient Test Check for color banding, uneven transitions, and display quality issues. Perfect for identifying OLED degradation. Dead Pixel Detection High-contrast checkerboard pattern makes even the smallest dead pixels visible. Test every single pixel on your screen. Burn-in Test Detect OLED burn-in and image retention from status bars, navigation elements, or static content. Essential for used iPhone buyers. Grid Pattern Test Verify screen alignment, uniformity, and detect warping or distortion. Check if your screen sits properly in the frame. Touch & Draw Test Test touch responsiveness, accuracy, and detect dead zones. Draw patterns to verify smooth tracking across the entire display. Screen Authenticity Guide Learn how to check if your screen is an original Apple part. Step-by-step instructions for verifying genuine displays. WHY CHOOSE SCREEN TESTER? Professional Grade: Same tests used by technicians Easy to Use: Simple, intuitive interface No Ads: Clean, distraction-free testing Privacy First: No data collection, works offline Universal: Works on iPhone and iPad 7 Languages: English, Spanish, Italian, German, French, Chinese, Russian Regular Updates: New features added frequently PERFECT FOR: Before buying a used iPhone After screen repair or replacement Checking warranty coverage Documenting screen defects Professional technicians Quality control testing iPhone resellers and refurbishers HOW TO USE: Choose a test mode View in a dark room for best results Look for inconsistencies, dead pixels, or touch issues Document findings for warranty claims IMPORTANT NOTE: This app helps identify screen issues but cannot repair them. For screen repairs, visit an Apple Store or Authorized Service Provider. The app cannot definitively verify if a screen is original Apple hardware due to iOS security restrictions. GET STARTED TODAY Download Screen Tester now and ensure your iPhone or iPad display is working perfectly. Free to download with no hidden costs or subscriptions.

C3 WiFi Controller is a companion app for compatible C3 hardware devices. Use the app to discover nearby supported devices over Bluetooth Low Energy (BLE), connect to a selected device, send Wi-Fi network credentials, and check device status during setup. Key features: Scan for compatible nearby C3 devices over Bluetooth Connect directly to a selected device from your phone Send Wi-Fi network name and password to the device for setup View device status information reported by the hardware Check connection state, Wi-Fi status, battery level, charging state, and related device details How it works: Open the app and scan for nearby compatible C3 devices. Select your device from the list and connect over Bluetooth. Enter the Wi-Fi network name and password you want the device to use. Send the credentials to the device. View live status information from the device to confirm setup. Important: This app is intended for use with compatible C3 hardware devices. A supported physical device is required for the main features of the app. The app does not provide its full functionality without compatible hardware nearby. Privacy: Wi-Fi credentials entered in the app are used to send setup information directly to the selected hardware device. The app is designed to operate locally for device configuration and status display.