Schedule

Schedule

Thursday, April 24

1398358800 Tech News Today
1398362400 Know How...
1398366000 The Social Hour
1398371400 Coding 101
1398375000 Home Theater Geeks
1398380400 Tech News 2Night
1398384000 OMGcraft

Friday, April 25

1398445200 Tech News Today
1398448800 This Week in Law
1398466800 Tech News 2Night

Saturday, April 26

1398535200 The Tech Guy

Sunday, April 27

1398621600 The Tech Guy
1398636000 This Week in Tech

Monday, April 28

1398704400 Tech News Today
1398708000 Triangulation
1398713400 iPad Today
1398726000 Tech News 2Night

Tuesday, April 29

1398785400 Marketing Mavericks
1398790800 Tech News Today
1398794400 MacBreak Weekly
1398801600 Security Now
1398808800 Before You Buy
1398812400 Tech News 2Night
1398816000 All About Android

Wednesday, April 30

1398871800 FLOSS Weekly
1398877200 Tech News Today
1398880800 Windows Weekly
1398888000 This Week in Google
1398898800 Tech News 2Night
1398900600 The Giz Wiz
1398906000 Ham Nation

Thursday, May 1

1398963600 Tech News Today
1398967200 Know How...
1398970800 The Social Hour
1398976200 Coding 101
1398979800 Home Theater Geeks
1398985200 Tech News 2Night
1398988800 OMGcraft

Friday, May 2

1399050000 Tech News Today
1399053600 This Week in Law
1399071600 Tech News 2Night

Saturday, May 3

1399140000 The Tech Guy

Most Recent Episodes

This Week in Google

Apple and Facebook quarterly results, Google I/O to focus on design, FCC proposes new net neutrality rules and more!

The Giz Wiz

The horseless eCarriage, a crazy concept car from Toyota, a t-shirt with heart rate monitor, and more!

Tech News 2Night

Apple made billions but has it peaked?, Facebook's earnings aren't too shabby either, Amazon Prime adds HBO, Siri might come to Apple TV, Etsy buys Grand St., and is the FCC destroying net neutrality?

Windows Weekly

What comes after Windows 8.1? Office Mix, Microsoft and Nokia to close acquisition deal, and more.

iFive for the iPhone

Look days ahead with Hotel Tonight’s new app, Breeze is Runkeeper’s handy new fitness tool, MLB.com At Bat via Chromecast, Flickr’s better than ever, & more!

Tech News Today

OnePlus One, Dish starts streaming TV to phones and tablets, HBO comes to Amazon Prime, and more.

FLOSS Weekly
Episode #291: OpenStax CNX April 23rd, 2014

OpenStax CNX (previously Connexions) is a shared content repository of educational resources - primarily textbook style content.

All About Android
Episode #158: Peak Flashing April 22nd, 2014

An in-depth interview with ClockworkMod's Koushik Dutta, Amazon phone, a low end Nexus phone, LG G Watch, Google Camera, Hangouts update, and more.

Before You Buy

Lenovo Thinkpad Yoga, Sony Cyber-Shot DSC-QX100, Narrative Clip, and more!

Security Now

Ladar Levinson's appeal ruling, Google could bring end-to-end encryption to the masses, Jailbreaking iOS and more!

Know How... 54

How to Fix a Cracked Touch Screen Phone

August 1 2013

Know How to replace the glass on your touchscreen

Even if you're super-careful with your phone, accidents happen. Sometimes that beautiful touchscreen phone takes a fall and the glass cracks.

Today, we'll show you how to remove the glass from a touchscreen phone (in this case, a Samsung Galaxy S3), then apply a new piece of glass on it. We are not removing the actual display or digitizer. A digitizer is what actually recognizes your inputs. Burke McQuinn came by to show us how he repaired his cracked Galaxy S3. He consulted the forums at XDA Developers to provide a guide.

Materials

You will need a replacement piece of glass, goggles, a heat source, a prying tool, microfiber cloth, some tape, and time.

You can find a replacement piece of glass on Amazon. You can even get kits that include prying tools. Example kits: ProKit for Galaxy S3 | Replacement Glass Kit by NewerStone.

Before You Start

Before you begin taking apart your phone, back up the phone if you can in case you damage the phone. After that, take out the battery and MicroSD card if you have one installed.

Removing the Glass

To remove the glass, we will use a heat gun to melt the glue that affixes the glass to the digitizer and then pry off the glass.

For our heat source, we used a heat gun. You can probably get away with using a hair dryer if you don't have one. We checked on the temperature of the glass periodically using a thermometer and tried to keep the temperature around 200 degrees Fahrenheit (roughly 93 degrees Celsius).

From there we pried the glass away from the digitizer using a prying tool in the corner of the S3. The one we used is called iSesamo, which is a metal prying tool. This can cause more scratching of your device if you're not careful. You can opt to use a plastic prying device like the oOpener.

Burke then heated around the border of the glass prying up each part slowly and keeping the glass away from the digitizer using plastic razor blades.

Use caution when removing the glass from the bottom of the device where the home button is. There is a small ribbon that flanks the home button. It controls the two capacitive buttons on the Galaxy S3. You don't want to damage that.

Replacing the Glass

Once the glass is removed, you'll want to clean off the digitizer of any excess glue. Burke wore latex gloves used painter's tape to remove any dust and remnants of broken glass on the screen. You could use a microfiber cloth to clean off the screen before you replace the glass. You want the screen as clean as possible, but don't damage it with too much pressure.

Burke applied the glass from the bottom of the device, carefully placing the ribbon under the glass. Then he heated the new glass to affix the glass to the device. Then you just have to let the phone cool off before you use it.

Test Your Results

Once your phone is cooled off, reinstall your battery and test out your handiwork. With the new glass, Burke's phone worked flawlessly.

Questions? Comments?

Connect with us
- Google+ Community at gplus.to/twitkh
- Tweet at us using the hashtag #twitkh
- Email us at knowhow@twit.tv

Don't forget to check out our large library of projects on this site. If you want to search for a topic, try this custom search engine.

Runtime: 13:30

People: Burke McQuinn