LCD or Screen Repair for Iphone 4, 4S, 5C or 5S, IPads, or Galaxy S2, S3, and S4 at IRepairPlus (Up to 50% Off)

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Touchscreens eliminate the need for buttons, just like zippers or TVs powered by yelling. Touch the future with this Groupon.

Choose Between Two Options

  • $25 for $50 towards iPhone 4, 4S, 5 and Samsung Galaxy S2, S3, and S4 screen replacement or Galaxy S2 or S3 LCD replacement
  • $50 for $100 towards iPhone 5C or 5S or iPad 2, 3, and 4 screen replacement, or Samsung Galaxy S4 LCD replacement

Touchscreens: Power at Your Fingertips

To learn what's behind the face your smartphone shows to the world, read on.

Most electronic touchscreens—such as the kind on your smartphone, perhaps—rely on electricity. Not just the obvious electricity provided by their power supply, but your electricity, as in the tiny amount that runs through your body or the large amount that runs through your body if you're a Frankenstein. Capacitive touchscreens are set up to detect any change in the electromagnetic field they produce, such as that created by a bare fingertip. Beneath the glass screen, a network of electrodes stands ready to relay information about the location of the touch to the device’s microcontrollers and translate it into a command.

Another Path: Resistance

There is another, slightly older form of touchscreen technology, which requires the hand to apply not electricity but pressure. This type is known as a resistive screen and is frequently still found at checkout counters and on PDAs. Beneath its surface are two layers of conductive material. Pressure forces the two layers to connect, completing a circuit; different points on the screen will produce a current with different voltage, which allows the system to pinpoint the precise location of the touch. Although these screens are lower-resolution and can't respond to multiple simultaneous touches, they do have one advantage over capacitive screens: they'll work even if you're wearing gloves or oven mitts.

Bonus Points

  • There are plenty of other, less common ways to create a touchscreen. Some devices send ultrasonic waves continually across the screen, which are interrupted upon contact; others, including Microsoft's Surface tabletop screen, sense changes not in pressure or electric charge but in light.
  • Capacitive screens have also been developed that can register how hard you're pressing. When you press down harder on anything you'll notice your fingertip spread out to contact more of the surface. Newer screens take advantage of this fact and track whether you're contacting an increasing number of capacitors.
  • In a Nutshell

    Certified technicians offer same-day service on screen and LCD replacements for most iPhone and iPad models and Galaxy phones

    The Fine Print

    Expires 90 days after purchase. Limit 1 per person, may buy 1 additional as a gift. Limit 1 per visit. Valid only for option purchased. Appointment required. 24hr cancellation notice required. Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

    High-tech products, such as smart phones and GPS receivers