iPhone 4GSM Repair Guide. The Must Have For Any iPhone Tech!
4.8 (61 ratings)
Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately.
3,872 students enrolled

iPhone 4GSM Repair Guide. The Must Have For Any iPhone Tech!

The top 14 iPhone 4 GSM repairs. All who want to save time repairing the iPhone 4 GSM need to start here!
4.8 (61 ratings)
Course Ratings are calculated from individual students’ ratings and a variety of other signals, like age of rating and reliability, to ensure that they reflect course quality fairly and accurately.
3,872 students enrolled
Created by Phone Fix 411
Last updated 12/2014
English [Auto-generated]
Price: Free
This course includes
  • 2 hours on-demand video
  • Full lifetime access
  • Access on mobile and TV
  • Certificate of Completion
What you'll learn
  • Troubleshoot, diagnose and repair a damaged iPhone 4GSM. 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 4GSM with these issues.
  • Some basic tools are required. First, and most obvious, you will need the replacement part for your iPhone 4GSM. 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 4GSM (AT&T Version), 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 4GSM. Our lectures cover all of the major repairs related to the iPhone 4GSM.

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 4GSM 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 4GSM 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 4GSM repairs. This will give all who watch the guidance and knowledge to repair any iPhone 4GSM.

Who this course is for:
  • This iPhone 4GSM repair course is for anyone who wants to learn the skills associated with iPhone 4GSM 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.
Course content
Expand all 15 lectures 02:08:35
+ Troubleshooting, Disassemble and Reassemble
3 lectures 25:57

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.


To repair most things on your iPhone 4gsm you need to take it apart. We show you step by step how to disassemble your iPhone properly and tips to help you along the way. When you need to properly disassemble your iPhone, know that our videos will show you how.

Disassemble, Tools and Battery

Once you have your repair completed, watch this video to see how to put the phone back together and make sure everything fits properly. This video will make sure you don’t forget anything, especially the screws!

+ Most Common Repairs
12 lectures 01:42:38

If the LCD (liquid crystal display) is black or white, the glass is broken or the digitizer (touch) does not function then this video shows you step by step how to replace the assembly. Learn insider tricks to help speed up this repair.

LCD / Glass Assembly

If the main antenna on your iPhone 4GSM is not working or you have low signal strength then this video shows how to replace the antenna and troubleshoot your phone.


Not being able to take pictures can be a pain, to say the least. If you need your cameras working again, then this video will show you how to troubleshoot the cameras and replace them if necessary.


This video covers the repairs associated with your charging cable, microphone, ringtone buzzer, and home key. If you are having any issues charging your phone, no sound or music, the home key not responding or people not being able to hear you then this video will help.

Charging Cable / Microphone

If you are not able to hear anybody talking then this video will help you troubleshoot the issue and show you how to replace the speaker, if necessary.

Ear Speaker

The home key is the life of the iPhone. Without it the assistive touch is your only option, which can be a pain to say the least. If you are having problems with the home key button then watch this video for troubleshooting and replacement directions.

Home Key

The power button can stick and become unresponsive. If this has happened to you then watch this video to replace the cable.

Power Flex Cable

If you can’t hear the phone ringing, the music is low or the other caller sounds muffled then watch this video. It walks you through troubleshooting and replacing the ringtone module if needed.

Ringer / Loudspeaker

If your phone doesn’t vibrate or the vibrate motor seems to be failing, then this video guides you through troubleshooting and replacing the motor.

Vibe Motor

The volume buttons and vibrate switch can fail after repeated use. If this has happened to you then you’ll want to follow the steps on this video. We cover the headset connector, vibe switch and volume buttons. This repair is a bit complicated so watch and follow our detailed and professional instructions with ease.

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