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Start a Cell Phone Repair Business in 30 Days - Day 5 - Learn to Fix Galaxy Phones

Updated on May 8, 2015


In previous chapters, we talked about purchasing all of the right tools, equipment and parts. Then we talked about applying those purchases to fixing iPhones. By now, you should have mastered the 4 major repairs on iPhones: screen, LCD, battery and charging port. If you have practiced those repairs to the point where you can do them all in under an hour without losing screws or breaking anything, it is time to move on to Galaxy phones. The Samsung Galaxy series is the most popular Android smartphone on the market. Repairs for these devices are in high demand. Unlike the iPhone, each generation is drastically different. They vary in size, shape, internal components and component locations. We will be taking a look at a few different resources to learn how to do the Galaxy S3-S5 as well as the Note 2-3. Let's get started.

Galaxy S3

This is the device you should have purchased for practicing. It is still relevant and is cheaper than the later generations. The concepts you will learn repairing the Galaxy S3 will remain relevant once you start fixing the other Galaxy phones, except with slight deviations. Hopefully you have purchased the digital hot plate, metal spudger, playing cards and UV glue before starting this repair. Another tool that was not mentioned in the tools & equipment module is a laser thermometer. This tool will help you keep an eye on the temperature of your Galaxy S3 while heating it. Also, you may want to purchase a UV lamp. This will help cure the glue once it is set in place. One thing is in common with all Galaxy phones. They display tends to burn when it is exposed to hotter than normal temperatures. That is why it is essential that you monitor it's temperature, not letting it get above 200 degrees Fahrenheit. What's great about the Galaxy phone series is that you don't have to worry about battery replacements. The battery simply comes right out. This is a great opportunity to sell batteries and make profits, without expending any labor. The Galaxy series does, however, have a problem with charging ports. They tend to go out much faster than iPhone charging ports. Let's check out a video on how to replace a Galaxy S3 screen. If you want to learn more repairs, you know how to find those resources.

By the Way

Unlike iPhones, Galaxy phones do not have their LCD attached to the glass. While this is possible to purchase, it is very expensive and not recommended. You can purchase the glass only and do repairs for extremely cheap.

Broken Galaxy Phone
Broken Galaxy Phone

Galaxy S4

The Galaxy S4 is very similar to the S3 except it is larger. One tip that I will add that is true about all Samsung Galaxy phones is that for some reason, the white colored ones are harder to remove than the blue and black ones. The glass does not come up as a single unit, it instead comes up bit by bit. The charging port for the Galaxy S3 has to be soldered on. The Galaxy S4's charging port, however, is attacked to a component that houses the soft touch keys. It can easily be removed by take off the frame, disconnecting a few cables and literally ripping it out. Overall, this is probably the easiest Galaxy phone to service. Let's take a look at a video of how to replace a Galaxy S4 screen.

Galaxy S5

The Galaxy S5 is a whole new beast. It is the first generation that is water-resistant and touch ID home button. This means more work for the cell phone repair guy. All of the components including the charging port, front and rear facing camera and home button are connected to the motherboard behind the LCD. Only repair or replace these components as a last resort because the risk of damaging the LCD while lifting it can be costly. With that in mind, it is absolutely essential that you make sure when gluing down the new glass with UV glue, that none of it leaks into the camera or back of the phone. You will not have a good time trying to clean that out and will probably have to replace components in the process. Do not try to repair the Galaxy S5 without first mastering the S3 and S4! Let's take a look at a video of the glass repair.

Broken Galaxy Phone
Broken Galaxy Phone

Galaxy Note 2/3

I am bundling the Galaxy Note 2 & 3 into one section as they are very similar in the sense that the screen and LCD repair are probably the only viable options for repairing the Note series. These phones are gigantic. The process of laying down the glue requires additional support. You can use tweezers to stabilize the glass while laying it down. Make sure to lay the glass down as slowly as possible to avoid any air bubbles from forming. The Note 2 is a little more forgiving if UV glue enters the phone, but the Note 3 is not. Let's take a look at a video for a Note 3. The same concept as all Galaxy phones applies.

Fixing broken Galaxy phone
Fixing broken Galaxy phone

Galaxy S6, Note 4 and Beyond

At the time of this writing, the Galaxy S6 is just coming out. It offers a standard screen as well as the "Edge" which is curved glass. This will pose a new challenge for phone repair as the phone will be more fragile and more difficult to replace. The S6 also has a unibody construction, making the motherboard a lot more difficult to access. The Note 4 is like a gigantic S5 with a metal frame. It is just as unforgiving. If you are interested in fixing these phones, resources for repair may not be available just yet.


This is just a quick snapshot of Galaxy repairs. Keep in mind that practice makes perfect. This skill is acquired over time. If you mess up a few times, that's okay. That's why your purchased a practice phone. Key takeaways for galaxy phones include:

1. Make sure UV glue does not enter the front facing camera or any sensors.

2. When heating up the phone, monitor the temperature using a laser thermometer.

3. Carefully pry the glass up with a metal spudger and business cards/playing cards.

I wish the best of luck to you. If you have mastered this skill, move on to the next chapter. We will be talking about more business related topics in the future!

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      Crissy 2 years ago

      Awesome information. Thanks