Tip & How-To about Apple iPhone 3G
These tips are for those of you who have decided to take on the task of replacing your cracked screen on your iPhone 3g or 3gs.
On various videos and sites that explain how to replace the screen and digitizer (the part that recognizes touch) they tend to go a little too fast and skip a few minor details. Here are just a few that may help when taking on this task.
1) When ordering your parts make sure you order the glass screen + digitizer. Some sellers offer the glass by itself but it is just a major headache to separate the two and not worth the few bucks you save.
2) Make sure to be in well lit work space. The brighter the better (you might consider buying one of those magnifying lenses on a stand with a light on it). Get yourself one of those magnetic trays. If you lose one of those tiny screws then you are "screwed" yourself.
3) Save yourself some headache and a new bezel by using a suction cup to lift up the glass screen after removing the sim card holder (I used a paper clip for this) and the 2 screws at the bottom of the phone. Attach the suction cup right above the home button and lift carefully. There are 3 ribbon cables attached inside near the top of the phone.
4) Use some tweezers to handle some of those ribbon cables. It can get frustrating trying to use your fingers to handle those small ribbons in such a tight enclosure. Pay attention to the videos or guides you are using to find out which of ribbon cables connectors you have to flip a tiny latch up to get the cable out and which ones you can just pull out.
5) Keep all protective plastic stickies on the new parts until you are absolutely certain you are ready to install them. Any oils from your skin or dust on either the lcd or the inside of the new screen can greatly diminish the quality of your video and it will always seem like your screen is dirty.
6) I learned this the hard way. In those videos and instructions you find, they use a hair dryer to heat up the glue holding the old screen on the frame. It is much faster to use a heat gun BUT BE CAREFUL....if you heat the glass too much, the HOME button is plastic and WILL WARP. To avoid any headaches just go ahead and order the glass + digitizer assembly as well as the HOME button and ribbon cable assembly.
7) There are a number of tools that you can get much cheaper on your own and probably have laying around the house that can make the job much easier. Some may be a guitar pick, exacto knife set (the one with the various blades), some Deox-it (spell check) to clean metal contacts, some Q tips, rubbing alcohol, glass cleaner, and I also found some nice hard plastic tools, which I believe are called "spudgers" on Stanley Tools website. They basically help you hold cables back and are good for probing and wedging some of the parts open.
I hope these tips help someone that is up to doing this task. It was fun to do and also saved me some cash. Plus you have the joy in feeling that you actually fixed something! Please feel free to share this posting.
Posted by Jimmy... on
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