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So if you’ve cracked your screen on a brand, new Galaxy S4 and feel miserable perhaps because you don’t even have insurance, there’s actually a way to replace the screen glass only.
Now, for this to work, you must have a broken screen ONLY, if your digitizer is not working, this method will not work! To test this out, see if you notice any cracks in the digitizer layer under the glass layer. Also, check to see if your touchscreen is working. If you only notice cracks on the outer glass layer and also your touchscreen is working fine, you can use this method to replace the glass only and revive your Galaxy S4 for just about $20 USD.
Step 1. You will need to order a replacement glass kit. I ordered this one on Amazon which was nice as it also comes with tools you may need along the way.
The replacement glass kit comes with a bunch of plastic tools, guitar picks, and a suction cup.
Place the suction cup anywhere on the screen where it’s not cracked.
Step 2. Get a free standing hair dryer (so you can work on the phone while heating the glass) or heat gun and start applying heat to the screen of your Galaxy S4.