Cell Phone Repair: iPhone 4CDMA (Verizon and Sprint)
4.6 (31 ratings)
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Cell Phone Repair: iPhone 4CDMA (Verizon and Sprint)

Learn the tips and tricks associated with phone repairs from industry professionals.
4.6 (31 ratings)
Instead of using a simple lifetime average, Udemy calculates a course's star rating by considering a number of different factors such as the number of ratings, the age of ratings, and the likelihood of fraudulent ratings.
2,078 students enrolled
Created by Phone Fix 411
Last updated 12/2014
Price: Free
  • 2.5 hours on-demand video
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What Will I Learn?
  • Troubleshoot, diagnose and repair a damaged iPhone 4CDMA (Verizon or Sprint). This course covers the lcd / glass repair, antennas, cameras, speakers, charging cable, microphones, home key, power and volume cable, vibrate motor and liquid damage. Once completed students will have the knowledge to repair any iPhone 4CDMA with these issues.
View Curriculum
  • Some basic tools are required. First, and most obvious, you will need the replacement part for your iPhone 4CDMA. Second, some tools you will need. One pentalobe (star pointed) screwdriver, one phillips screwdriver ( size 1.5), one slotted screwdriver (size 2.0), tweezers, one to two guitar picks (size .81-.96mm), one sim ejection tool.

Have you wanted to repair a broken iPhone 4CDMA (Verizon or Sprint), but weren't sure where to start? Start here! Let our easy to follow, do-it-yourself course help you accomplish your repair. This course is designed for anyone with the need, desire, or want to repair any iPhone 4CDMA. Our lectures cover all of the major repairs related to the iPhone 4CDMA.

Repairs in this course include:

  • Troubleshooting
  • Disassemble
  • Reassemble
  • Lcd / glass
  • Antennas
  • Cameras
  • Speakers
  • Charging cable
  • Microphones
  • Home key
  • Power / volume cable
  • Vibrate motor
  • Liquid damage

Not only do you get amazing instruction with easy to follow steps, but you get all of these repairs in one place. Now you can have quality repair videos for the iPhone 4CDMA at your fingertips. You will receive knowledge from industry professionals that have been in the repair industry since 1997 and have help thousands of individuals with their own phone repairs. With each lesson you can easily follow along as we show detailed, step by step instruction on each of the repairs listed.

The skills that you will learn with our course give you the ability, if desired, to start your own repair service. What could be better than making money repairing the iPhone 4CDMA for your friends, family and people in your community! With this small investment and minimal time you can be on your way to potentially making huge profits. What better time than now to join the multi-billion dollar cell phone repair industry and start to receive your piece of the pie!

The total instruction for all repairs is 15 videos over 2 hours of jam packed knowledge with everything you need to know about iPhone 4CDMA repairs. This will give all who watch the guidance and knowledge to repair any iPhone 4CDMA.

Who is the target audience?
  • This iPhone 4CDMA repair course is for anyone who wants to learn the skills associated with iPhone 4CDMA repairs. No prior repair experience is needed, although some abilities are a plus. These abilities include; working with small screws and parts, attention to detail, patience and a delicate touch. This course is not designed for someone who is in a hurry, impatient or can't deal with small screws or delicate parts.
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Curriculum For This Course
15 Lectures
Troubleshooting, Disassemble and Reassemble
3 Lectures 26:35

If you’re not quite sure what is wrong with your phone then watch this video first. We cover symptoms and specific issues associated with each repair and guide you to which video will help you out the most. Some problems could be a couple of issues, so watch this video to cover all the bases.


Learn the proper way to disassemble your iPhone 4 CDMA. See what to look for and follow the steps to keep everything in order. This video also shows how to replace the battery, if your having battery issues.

Disassemble, Battery and Tools

If you are stuck trying to figure out which screws go where, don’t fear! Watch and follow along as we show you where everything goes when it’s time to reassemble your iPhone.

Most Common Repairs
12 Lectures 01:49:21

Unresponsive touchscreen, broken glass or a messed up LCD can ruin anybody’s day. Watch this video to see the inside tips and tricks to replace the Glass / LCD assembly and make your phone look and work like new!

LCD / Glass Assembly

This video shows how to replace the antennas on your iPhone 4CDMA. If you have weak or no signal either with the wifi antenna or the radio antenna.


This video shows how to remove and install the cameras on your iPhone. Whether your front-facing camera or your main camera are having problems, replacing either should fix your issue.


This video will show you all about the charging cable and associated issues. If your phone doesn’t charge, people can’t hear you, the home button is not working or your ringer / loudspeaker isn’t working then this repair should help you out.

Charging Cable / Microphone

If you can’t hear anyone or the ear speaker volume is very low then this video will show you how to troubleshoot your problem and if needed, replace the speaker.

Ear Speaker

The home button can become unresponsive or even stop responding over time. If this has happened to you then watch this video and see how to properly replace the home button and get your phone back in working order.

Home Key

If you are having trouble with your power button then this repair is for you. If the button is stuck, not responding or working when it wants to then watch this video to see how to replace the cable.

Power Flex Cable

If the volume on your phone is really low or you can’t hear any music, calls, or anyone on speakerphone, then watch this video. There are a few tricks you can try before replacing the speaker which we show in this video.

Ringer / Loudspeaker

If your phone doesn’t vibrate, it could be a couple of issues. With this video we show you troubleshooting the vibrate motor as well as replacing it, if need be.

Vibe Motor

Tame this monster repair with our help, step-by-step. If your having issues with the volume buttons, vibrate switch, headset connector, or the handsfree microphone then this video will walk you through the necessary steps to properly replace this cable.

Volume Flex Cable

If your phone has any type of liquid damage watch this video. We show the steps to troubleshoot liquid damage and how to initially clean it if it is lightly damaged. This is Pt. 1 of 2 for liquid damage.

Liquid Damage Part 1

If your phone is more severely damaged then watch this video. We show what to do when simply cleaning the phone doesn’t work. This is part 2 of the liquid damage and goes into the heavy artillery of liquid damage repair.

Liquid Damage Part 2
About the Instructor
Phone Fix 411
4.2 Average rating
208 Reviews
4,480 Students
7 Courses
Leaders in DIY Phone Repair

We started out and continue to operate within a family owned business, which specializes in the repair of cellular phones. Not only have we repaired cell phones since 1997, being certified through Nokia and Motorola, but actually started out repairing pagers. Recrystalling, re-tuning and refurbishing them for customers and retailers in our town as well as surrounding cities. We repaired both pagers and cell phones before they were widespread and affordable. We started repairing cell phones when they were simply cellular telephones.

Today we continue to serve as a leading repair facility. The cell phones today have evolved to unimaginable heights and continue to evolve every month. We strive to keep up on the latest technology and to maintain a leading edge in the industry. We do this to know the latest in the market but mainly to provide an environment where people know the knowledge we give is sound and true. We saw a need to bring our extensive knowledge, and repair insight from our shop to a larger and grander scale. We also noticed how the cost of repairs and phones has skyrocketed and continue to increase, and how people are looking to save wherever they can. We want to give quality trainings at affordable prices for every person who has a desire to learn phone repairs.