Screen Repair or Color Conversion at CellSpot Cell Phone Repair (Up to 50% Off). Three Options Available.

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Up to 50% Off
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What You'll Get


Choose from Three Options

  • $79 for glass screen repair for iPhone 5, 5C, or 5S ($150 value)
  • $79 for glass screen repair for Galaxy S3, S4, and Note 2 ($149 value)
  • $35 for front and back color conversion for iPhone 4 or 4S ($69.99 value)

Gorilla Glass: A Screen’s Shining Armor

The glass on a smartphone is engineered to withstand the stresses of your day-to-day life. Read on to learn about the particular brand behind many products—Corning’s Gorilla Glass.

In order for the glass in your smartphone, tablet, or computer to incorporate a touchscreen, it has to be extremely thin. But thin glass doesn’t hold up against the wear and tear of daily use, so manufacturers of these mobile devices started using glass that’s been chemically treated to be both thin and strong. This is the basic concept behind Corning Inc.’s ultra-resilient Gorilla Glass, named after a gorilla’s inherent toughness and beauty.

As with any glass, the process of making Gorilla Glass begins by melting down a mixture of sand and other chemicals in a furnace. After that, however, automated robotic arms form the molten mixture into 0.5-mm-thick sheets, called aluminosilicate because they contain aluminum, silicon, oxygen, and sodium ions. These ultra-thin sheets can’t resist damage quite yet; to become Gorilla Glass, they have to undergo a chemical process called an ion exchange. Each sheet is dipped into a 752-degree Fahrenheit electrolyte solution, which breaks the bonds of all sodium ions and replaces them with larger potassium ions. The larger ions cause the glass to compress, packing larger atoms into the same space to give a boost of strength akin to Popeye’s biceps after a few cans of spinach.

Gorilla Glass is a relatively new product—it’s only been used in mobile devices since 2009—but Corning has been developing the concept for years. The company began experimenting with chemically strengthened glass way back in 1960. Nowadays, Corning is on its third iteration of the product, Gorilla Glass 3, which is said to be up to three times more damage resistant than Gorilla Glass 2. Gorilla Glass in all its iterations can be found in hundreds of devices, including those made by Apple, Dell, and Motorola.

The Fine Print


Promotional value expires 180 days after purchase. Amount paid never expires. Limit 1 per person, may buy 1 additional as gift. Valid only for option purchased. Appointment required. Merchant's standard cancellation policy applies (any fees not to exceed Groupon price). Merchant is solely responsible to purchasers for the care and quality of the advertised goods and services.

About CellSpot Cell Phone Repair


By purchasing this deal you'll unlock points which can be spent on discounts and rewards. Every 5,000 points can be redeemed for $5 Off your next purchase.