Change /repair Screen iPhone 4 or 4s

Tutorial for Change / Repair Screen iPhone 4 or 4s

Step 1

Before starting to disassemble your iPhone make sure it is off and your mute button is positioned on activated

Step 2

Unscrew the two Phillips screws located on each side 3.6mm connector dock

Step 3

Push the back cover to the back cover haut.La must move about 2mm

Step 4

Now remove the back cover of your iPhone

Step 5

Unscrew the Phillips screws attaching the 2.5mm connector of the battery to motherboard

Step 6

Use an "iPod opening tool" to carefully pry the battery connector. Do this in two stages, starting with the top of the connector then finisser the bottom as shown in the photos. 
Attention although separate contactors to prevent a short circuit. 
Completely remove the switch.

Step 7

Use the plastic tab to gently lift the battery. 
caution when you remove the battery with this tab. On some Apple device uses an excessive amount of glue to prevent removing the battery with this technique. 
For battery "stuck" you can use "iPod opening tool" to pry (in this case encoreplus take precautions to nothing damage). 
Sorter now the battery from its location. 
before reconnecting the battery terminals make sure the switch (in red) positioned as in the picture. before reassembly, thoroughly clean all contact points of the connectors with degreaser such as "Windex". Oily substances from your fingers to cause short circuits.

Step 8

Use a paperclip or tools "SIM eject" that came with your iPhone to pull the SIM card slot. 
Compared to the iPhone 3G/3GS, it is necessary to use a little force to enelever card slot SIM Now remove the SIM card slot of the iPhone

Step 9

Unscrew the two screws following 
the 1.2 mm Phillips screw 
Phillips screw 1.6 mm 
Remove the thin iron plate covering the dock connector 
Before replacing the dock connector, make sure you clean all contact points of the dock connector with a degreaser type Widex. The oils from your fingers could created short circuits after reassembly

Step 10

Use an "iPod opening tool" to gently disconnect the cable from the dock connector on the motherboard.

Step 11

Gently work the water the dock connector on the motherboard and the location of the speaker located on the bottom of the iPhone

Step 12

Use an "iPod opening tool" to remove the antenna connector located on the motherboard.

Step 13

Unscrew the Phillips screw 1.9 mm attaching the bottom of the motherboard to the case.

Step 14

Unscrew the 5 screws attaching the following connector cover to the motherboard: 
One 2.3 mm Phillips 
screw Phillips Two 1.6 mm 
Phillips screws A 1.4 mm 
A 4.8 mm Phillips screws 
for reassembly, start up the four Phillips screws , 8mm and that of 2.3 mm, and then the other. This is to prevent damage to the LCD screen below it.

Step 15

Use an "iPod opening tool" to slightly lift the top edge of the connector cover to separate it from the motherboard.
use the tip of a "spudger" to remove the connector cover fixing its slot. 
Remove the connector of your iPhone 
before reassembling, make sure to clean all the contacts and connector point with degreaser type Windex. The oils from your fingers may create short circuits.

Step 16

Use an "iPod opening tool" for enelever gently camera connector to its location on the map mère.Maintenant remove the camera

Step 17

Off the small white sticker (warranty sticker and immersion sensor) surrounded by white photo. 
Unscrew the Phillips screw located 2.4 mm below the sticker.

Step 18

Disconnect the following connectors located on the top of the motherboard 
The digitizer cable 
The cable for the LCD 
cable to the jack and volume button 
cable to the microphone mute button and 
the cable from the camera before 
The cables will be easier to remove with the tip of an "iPod opening tool". It will be easier to disconnect these cables with this tool

Step 19

Use a small screwdriver to remove the rivet 4.8 mm located near the jack

Step 20

Carefully remove the motherboard from the iPhone. Be careful that no cable is cut.

Step 21

Unscrew the Phillips screws attaching the 2.8 mm location loudspeakers to the inner frame of the iPhone.

Step 22

Remove location for speakers of the iPhone 
before returning the location for speakers ensurer although all four paws EMI screen are well below the LCD 
before reassembly, cleaned well all the points of contact of the connectors with degreaser as "Windex". Oily substances from your fingers to cause short circuits.

Step 23

Unscrew the two screws that retain the following vibrator to the inner frame: 
A 6mm Phillips screws 
A 1.4 mm Phillips screws 
holding the vibrator Remove the iPhone

Step 24

Remove the Phillips screw 1.5 mm screw on the front panel next to the headphone jack

Step 25

Remove the 3 screws Phillips wide located along the volume button on the side of the iPhone 
Each screw has a washer keep the good side. 
Tip: This is a bit more complicated but it is also possible to Following the guide only loosened the 3 screws and do not remove them completely.

Step 26

Unscrew the Phillips screw 1.5 mm located next to the microphone located on the bottom of the iPhone.

Step 27

Unscrew the Phillips screw 1.5 mm located next to the water the dock connector located on the bottom of the iPhone.

Step 28

Unscrew the three screws 1.5 mm Phillips Large located on the side of the SIM card slot. 
Each screw has a washer to keep preciously side. 
Tip: You can also simply there to loosen the screws and do not remove completely. 
Unscrew the small Phillips screws 1.5 mm located next to the mute button.

Step 29

Gently insert the tip of a "ipode opening tool" between the rubber surround around the front glass and the inner frame of iron. 
CAUTION: Do not try to insert the tools between the contour and the rubber windscreen the iPhone 
Pry very gently lift the screen as shown in photo number 2.

Step 30

Slowly and gently lift the top of the display assembly out of the steel frame of the iPhone. 
Continue to gently lift the display assembly until the glue underneath the home button is starting to take off. 
Then gently pull the lower part of the display assembly out of the iron frame.

Step 31

Slowly and gently lift the top of the display assembly out of the steel frame of the iPhone. 
Continue to gently lift the display assembly until the glue underneath the home button is starting to take off. 
Then gently pull the lower part of the display assembly out of the iron frame.

 Step 32

Pass the cables "digitizer" and the LCD screen inside the inner frame. 
before re-setting the display assembly sure though cables LCD and "digitizer" or not folded or trapped in the inner frame. This could damage the entire display or just help reconnect the screen to the motherboard. 
Once all display correctly reassembled, you have to find the cables LCD and "digitizer" next and simply suspended above the steel frame