iPhone battery replacement cost in Kolkata

How To Do iPhone 4 Screen Replacement?

iPhone 4 (GSM/AT&T) Screen Replacement


Introduction: The iPhone Service Center in Kolkata is a trustworthy online place where you can repair any kind of iPhone model. If you are facing any iPhone models regarding issues like screen damage, battery issues, power button, volume button, earpiece replacement, speaker replacement, microphone, camera, etc. then it’s the time to repair your device or replace the spare parts if required. We also provide some information regarding any damage issues that occur on your iPhone and you can fix these issues at home. So, here the question is How to do iPhone 4 screen replacement? Here we provide some steps that are the best way to replace your iPhone screen.

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Tools you can use:


  • Spudger
  • P2 Pentalobe Screwdriver iPhone
  • Philips #000 Screwdriver
  • Anti- Static Project Tray

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The following steps of How to do iPhone 4 (GSM/AT&T) Screen



Step – 1

Rear Panel

 iPhone 4 Screen

  • First power off your iPhone then removes the two 3.6 mm Pentalobe or Phillips #000 screws next to the dock connector with the help of a correct screwdriver.
  • Then gently push the rear panel toward the top edge about 2 mm of the iPhone.
  • With the help of fingers just pinch the rear panel and lift it away from the iPhone.


Step – 2


Replace iPhone 4 Screen Glass Only

  • Then remove the single 2.5 mm Phillips screw that connects the battery with the logic board.
  • Gently pry the battery connector up from its socket and remove the cover of the antenna connector, the metal clip.


Step – 3

Logic Board

iPhone 4 Screen Replacement near me

  • Gently remove the battery and SIM card and its holder.
  • Also remove the One 1.2 mm Phillips, One 1.6 mm Phillips screws as well as thin steel dock connector cable cover from the iPhone.
  • Then just detach the dock ribbon cable off the logic board and the lower speaker enclosure.
  • Then inquire too closely the lower antenna connector up off its socket on the logic board and remove the 1.9 mm Phillips screw that connects the logic board to the inner case.

Step – 4

iPhone 4 Screen And Digitizer Replacement

  • Remove these screws from the logic board
  1. One 2.3 mm Phillips
  2. Two 1.6 mm Phillips
  3. One 1.4 mm Phillips
  4. One 4.8 mm Phillips
  • Gently remove the rear camera with the help of the iPod opening tool.


Step – 5

iPhone 4 Display Replacement

  • Gently pry the following connectors up on the logic board:
  1. Digitizer cable (pry from bottom)
  2. LCD cable (pry from bottom)
  3. Headphone jack/volume button cable (pry from top)
  4. Top Microphone/sleep button cable (pry from top)
  5. Front camera cable (pry from top)
  • Gently remove the logic board from iPhone after removal of a 4.8 mm standoff screw near the headphone jack.

Step – 6

Speaker enclosure assembly

 iPhone 4 Screen issues

  • Remove the single 2.4 mm Phillips screw securing the speaker enclosure to the side of the inner frame.
  • Remove the speaker enclosure by removing the single 2.4 mm Phillips screw.
  • For removing the vibrator from the inner frame by removing One 6 mm Phillips, One 1.4 mm Phillips screws.


Step – 7

Display assembly

Blue Screen iPhone 4 Replacement

  • Remove these screws:
  1. Three large-headed 1.5 mm Phillips screws along with the volume button
  2. 1.5 mm Phillips screw near the lower microphone.
  3. Three large-headed 1.5 mm Phillips screws along with the SIM card and rear camera.
  • Gently inquire about the upper edge of the front panel assembly away from the steel inner frame.

Step – 8

iPhone 4 Back Panel

  • Then gently lift the top edge of the front panel assembly away from the steel inner frame.
  • Away from the steel inner frame the continued rotation of the front panel.
  • Gently use the spudger at the top and work it around the edges.


Step – 9

iPhone Full Display

  •  Before installing the display just use the pull tab near the home button to peel the plastic film from the LCD.
  • Then clean the touchscreen surface with an alcohol wipe prior to turning the iPhone back on.


Step – 10

iPhone 4 Screen Replacement Apple

  • After reassembling the display, just install the screen protector to protect your new display from any external scratches.

Here, we provide complete information about the iPhone 4 screen replacement Replacement. It helps you to fix the screen related issues at home. For more information visit our Youtube channel. But sometimes it is not easily resolved, in this case, don’t try to fix it at home. At, iPhone service center in Kolkata we can resolve any kind of screen related issues at a very affordable cost. We always use the latest technology to repair or fix the problems. Images are taken from iFixit.

So, this is the answer to the question of How To Do iPhone 4 Screen Replacement.

Why choose iPhone Service Center In Kolkata?

  • Best certified and experienced engineers and technicians hired by the iPhone service center.
  • The latest techniques used by us.
  • Free pickup and delivery service.
  • Parts protection and parts warranty for secure service.
  • The great support team for all customer queries.

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Frequently Asked Questions:

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  1. What Kind Of Precautions You Must Take During iPhone 4 (GSM/AT&T) Screen Replacement?
  • The first and most important thing is you must use globes during this process.
  • Because your iPhone is a delicate device and globes protect it from bacteria, sweating or any other harmful components that are present on your hand.
  • Also, the rubber and plastic material is safe because it protects you from electric shock.
  • Also, gently use the tools like a spudger or screwdriver, so that your device is in better condition after replacement.
  1. What are the important tools needed in the iPhone 4 (GSM/AT&T) Screen Replacement process?

The important tools are:

  • Spudger
  • P2 Pentalobe Screwdriver iPhone
  • Philips #000 Screwdriver
  • Anti- Static Project Tray
  1. How To Tell If iPhone 4 (GSM/AT&T) Screen is damage?

There are so many reasons that your iPhone 4 (GSM/AT&T) Screen becomes faulty or damage like factory defect and extensive use, accidentally falls or spills, water damage, etc. And the signs of the bad screen are:

  • Blue or Black-line errors
  • Display and graphics problems
  • Flickering in screen
  • Lack in touch sensitivity


iPhone is a costly device, one must look after it very carefully, & must do regular maintenance that it demands, so checking on iPhone problems is one of the regular work for an iPhone user, as if you can identify a problem early, that can eventually save you from lots of troubles and will save your precious money, and once you detect a problem like in this case Screen Damage, you must fix it fast, as longer the time goes, greater the damage will be.


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