The touchscreen is the main device for interaction and information input for the iPhone 4. Its breakdown makes it much more difficult or completely impossible to use a smartphone. The touchscreen consists of a flat sensitive element and protective glass... The sensitive element is extremely fragile and even the slightest damage to it leads to partial or complete failure of the input device - you will certainly need to replace the touchscreen on the iPhone 4, which can be done even at home.
Reasons why the iPhone 4 touchscreen may not work:
- Availability protective film or a protective glass incompatible with the touch panel of the iPhone 4 (for example, the thickness of the product is too thick) may cause the touchscreen to fail intermittently. In this case protective covering worth removing.
- Software error. Touchscreen iPhone 4 - technically difficult electronic device and it may stop responding to user requests due to malfunctioning applications. Restarting the device will help to fix it - holding down the shutdown and Home buttons simultaneously for 15-20 seconds.
- Poor assembly of the installed part. For this reason, even with careful use of the iPhone 4 smartphone, the touchscreen may periodically fail to work without apparent reasons and prerequisites.
- Mechanical damage touchscreen. Despite the fact that the smartphone screen is protected by scratch-resistant aluminosilicate glass, it may be damaged due to an unsuccessful or too strong fall.
How do you replace the touchscreen on the iPhone 4 yourself?
It is important to note that the touchscreen is a module, conditionally separate from the LCD directly displaying the image, and manufacturers often offer this part at a price lower than the price of a screen assembly. Conditionally - because gluing these parts together is a technically complex procedure that not everyone can repeat. Therefore, in the event of a malfunction, it is recommended to modularly replace the touchscreen on the iPhone 4 screen assembly.
To replace the touchscreen with an iPhone 4, you will have to completely disassemble the smartphone. For this:
- Using a paper clip, pull out the SIM card holder
- Unscrew the 2 Torx screws on the bottom edge of the smartphone and remove the back cover
- After unscrewing the screws securing the metal plate holding the battery contact, disconnect its cable and carefully remove the glued battery from the device, prying it off with a wide spatula.
- After disconnecting all the cables from the main board and unscrewing all the visible screws, remove all modules from the smartphone, then remove the main board and peel off the vibration motor glued to the back surface of the display.
- Remove the screws holding the shield assembly to the frame - 3 on the long sides and one in each corner of the frame.
- Carefully remove the shield assembly by threading the ribbon cable through the hole in the frame.
- Move the "Home" button to the new display assembly.
- Assemble the device in reverse order, paying special attention to the correct hit of the touchscreen cable into the hole on the frame.
Familiar phrase replacement iPhone glass 4s? If so, then you probably faced such a problem as glass breakage on the iPhone 4s, but you shouldn't rush to take your device to a service center. Repairs can be made at home.
Glass breakage can occur due to banal phone drops to the ground, in connection with this, various cracks may appear on the screen.
How to replace glass on iPhone 4s yourself - instructions
For repairs, you will need a small Phillips screwdriver and a Pentalobe screwdriver to repair your iPhone.
- First you need to unscrew the 2 bottom screws on the device and remove the cover
- Next, unscrew the 2 screws from the cable that protects the battery
- Disconnect the battery cable from the motherboard
- Pull out the battery carefully
- Unscrew the 2 screws at the speaker cable, then disconnect the speaker cable
- Next, to replace the iPhone 4s glass, you will need to disconnect the antenna cable, motherboard, you need to unscrew 4 screws, and remove the protection
- Disconnect the camera cable and remove it
- After, you need to disconnect the SIM card tray
- Unscrew the screws from the motherboard, and remove it
- Unscrew the 2 screws on the speaker and detach it.
- Next, you need to peel off the plug at the top of the right corner
- After everything is disconnected, you need to unscrew the screws at the corners and three screws at each edge.
So, the touchscreen can be gently pryed off and removed. Next, you need to replace the touchscreen with a new one and assemble everything in the reverse order.
Yes, this whole process may seem very complicated, but in fact it is not, the main thing is to do everything very carefully, to make sure that the loops do not get caught. If you still find it difficult to replace glass with an iPhone 4s, and you do not dare to make repairs yourself, we recommend that you take your iPhone to a repair service.
The cost of repairs will cost you about 1400 rubles and more. The price of a new module (touchscreen + display + frame) for iPhone 4s is 1000-1200 rubles.
Use this guide to replace your cracked or damaged display on your iPhone 4.
All necessary parts and tools are included in the kit for self replacementwhich you can purchase from our store.
- Back panel - 3 steps;
- Battery - 3 steps;
- Motherboard - 13 steps;
- Speaker - 2 steps;
- Display - 9 steps;
- New Module - 1 step.
Tools:
- Pentagonal P2 Pentalobe screwdriver for iPhone;
- Sucker;
- Phillips # 000 screwdriver;
- Plastic tools for opening;
- Flat screwdriver 2.5mm;
IPhone 4 Screen Replacement Instructions - Back Panel
Step 1
Before disassembling your iPhone, make sure it is turned off.
Your iPhone 4 back cover can be secured with either two # 000 Phillips screws or two five-sided Pentalobe screws (second image). Check which screws you have and pick the correct screwdriver to remove them.
Remove the two 3.6mm Pentalobe or Phillips # 000 screws next to the power connector.
The pentagonal screwdriver must be used very carefully as it can strip the threads on the screws.
Step 2
Press on the back cover with your fingers and pull towards the top edge of the device.
The panel will move about 2 mm.
Step 3
Pinch the back cover with your fingers and remove it from the mobile, or alternatively use a small suction cup.
Be careful not to damage the plastic clips attached to the back panel.
If you are installing a new rear panel, be sure to remove the plastic protective sticker from inside camera lens and a sticker with a large black area next to the lens.
IPhone 4 Screen Replacement Instructions - Battery
Step 4
Remove one 2.5 mm Phillips screw holding the battery connector to the board.
Some devices may have two screws, one of which binds down the contact pad, which is located above the screw indicated in red in the photo.
Step 5
Using a plastic tool, gently pry the battery connector cover up from the slot on the board.
Be very careful: lift only the battery cable, not the connector on the board. If you lift the connector, you can rip it off completely.
Remove the metal clip covering the antenna connector.
Step 6
Pull the plastic tab to release the battery from the device.
Do not remove the plastic tab from the device.
You may need to use a plastic tool to loosen the adhesive underneath the battery.
Take off pin clip from the device.
Before reconnecting the battery connector, make sure the contact clip (highlighted in red) is correctly positioned next to the battery connector.
Before assembly, it is necessary to clean all metal parts of the pressure contacts, as well as the connecting parts from grease (for example, using Windex). Oil from your fingers can interfere with battery performance.
IPhone 4 Screen Replacement Instructions - Motherboard
Step 7
Use a SIM eject tool (or paperclip) to remove the SIM.
This can take a lot of effort.
Remove the SIM card and its frame.
Step 8
Remove the following screws:
- One 1.2mm Phillips screw
- One 1.6 mm Phillips screw.
Remove the thin steel cover of the power cable.
Before assembly it is necessary to clean all metal parts of the steel lid from grease (eg Windex). Grease from your fingers can cause interference.
Step 9
Using a plastic tool, gently pry up and disconnect the power cable from the motherboard at the two short ends of the connector.
Step 10
Carefully slide the power ribbon cable off the motherboard and bottom speakers.
Do not use extra force to move the cable. This can lead to its rupture.
Step 11
Use a plastic tool to pry the bottom antenna connector from the socket on the motherboard.
Step 12
Remove the 1.9 mm Phillips screw securing the bottom of the logic board to the inner case.
Step 13
Remove the following five screws securing the Wi-Fi antenna to the motherboard:
- One 2.3 mm Phillips screw;
- Two 1.6mm Phillips screws
- One 1.4mm Phillips screw
- One 4.8 mm Phillips screw.
When reassembling, start with a 4.8mm Philips screw and then move on to a 2.3mm screw. This is necessary in order not to confuse and not spoil the train.
Also make sure the 4.8mm Philips screw is set correctly when reassembling. It is the basis for the Wi-Fi antenna and is often the culprit for poor Wi-Fi reception after assembly.
Step 14
Use the plastic opening tool to lift the top edge of the Wi-Fi antenna slightly away from the motherboard.
Carefully Pull the clamps of the Wi-Fi antenna away from the inner frame. This can be done with your fingernail, the tip of a utility knife, or tweezers.
Remove the Wi-Fi antenna from the device. Be sure to make sure that the metal clips on the top of the cover where the 4.8mm screw attaches and the 4.8mm screws itself are not lost... This is the main reason for Wi-Fi not working after assembly.
Before assembly, it is necessary to clean all metal parts of the steel cover that come into contact with the connectors from grease (for example, using Windex). Grease from your fingers can cause interference. You cannot clean the connectors themselves!
Step 15
Using a tamper evident tool, carefully lift the connector rear camera up out of the socket on the motherboard.
Remove the rear camera.
Step 16
Take off small round white sticker (warranty sticker and water indicator) covering the screw near the battery tab.
Remove the 2.4mm Phillips screw that was hidden under the sticker.
Step 17
Using the tip of the autopsy tool, carefully disconnect the following ribbon cables from the board:
- Sensor cable (lift from the bottom);
- Display cable (lift from the bottom);
- Headphone jack / volume button cable (lift from above);
- Top microphone / power button cable (lift from the top);
- Front camera cable (lift from top).
Step 18
Use a flat head screwdriver to remove the 4.8mm fastener next to the headphone jack.
When reassembling the device, this fastener sets the height of the Wi-Fi shield removed in step 13. If it is not tightened, the shield will be higher than desired and the back panel cannot be installed as in step 2. The shield must be flush with the headphone jack.
When reassembling the motherboard, make sure the edge of the motherboard is under the circled fasteners, otherwise the screws will not fit.
When reassembling, make sure the small rubber pad is attached to the top of the motherboard. Without this part, the motherboard could damage the cables next to it.
Step 19
Carefully remove the motherboard from the iPhone, keeping in mind any cables you might get caught.
Be careful not to damage the small gold prong (marked in red, at the top of the device), it is very fragile.
When reassembling, be careful not to cover the bottom antenna cable under the motherboard.
IPhone 4 Screen Replacement Instructions - Speaker
Step 20
Remove one 2.4mm Phillips screw that attaches the speaker to the frame.
Step 21
Remove the Speaker from the device.
Before reattaching the speaker case to the inner frame, make sure the four small EMI fingers are below the edge of the display frame.
Before assembly, it is necessary to clean all metal-to-metal contacts between the EMI pins and the inner frame, as well as the groove for the brass screw from grease. Finger oil may interfere with operation.
IPhone 4 Screen Replacement Instructions - Display
Step 22
Remove the following two screws holding the vibrator to the inner frame:
- One 6mm Phillips screw
- One 1.4mm Phillips screw.
Remove the vibrator from the device.
Step 23
Remove the Phillips 1.5mm screw securing the front panel next to the headphone jack.
Step 24
Remove the three 1.5 mm Phillips large head screws along the side volume button.
Step 25
Remove the Phillips 1.5mm screw near the microphone.
Step 26
Remove the 1.5mm Phillips screw next to the power connector ribbon cable.
Step 27
Remove the three 1.5mm Phillips screws from the side of the SIM card.
Watch the washers under each screw.
Tip: The screws around the perimeter of the case can not be completely unscrewed, but only loosened by 2/3, this should be quite enough for the subsequent separation of the screen from the case.
Remove the 1.5mm Phillips screw next to the rear camera.
Step 28
Carefully insert the edge of the intrusion tool between the rubber frame of the front glass panel and the steel inner frame.
Do not try to insert the tool between the glass and the rubber frame.
Carefully pry the top edge of the front panel away from the steel frame.
Step 29
Slowly and carefully lift the top edge of the front panel away from the steel frame.
Continue pulling the front panel out of the steel frame until it slowly begins to peel away from the adhesive under the Home button area.
Gently pull the bottom edge of the module away from the steel inner frame.
Be careful! If the Home button sticks to the front panel, you could rip its cable.
Do not turn the module over or disconnect it completely from the frame. This can damage the loop.
If the glass is cracked, removing the panel may cause it to bend, which can cause small pieces to fly off. Before taking this step, cover windshield plastic wrap, then detach it over the trash can. Wearing safety goggles is also a smart move.
Step 30
Disconnect the ribbon cable and carefully remove it from the steel frame.
Before attaching the front panel to the steel frame, make sure the ribbon cable is not folded or caught between the inner frame and the front panel. This can damage it.
When the front panel is installed correctly, the sensor cable and display cable should be in close proximity to each other, be the same length, and should just hang over the steel frame.
Make sure no cables get stuck between the screen and bezel.
When replacing a module, you should remember that you may need to use a speaker grill and a clear plastic ring around the front camera from the old / damaged module. This will depend on the configuration of the new part.
