How to Repair Samsung galaxy A40 Screen: Repairing Guide
If the Samsung galaxy was damaged or cracked after the great fall. The screen appears black. Sometimes, the touch does not respond. You will have to struggle hard to navigate the applications. The dead pixels screw your screen, and scratches will ruin all your over scree, in short, you are not able to use your smartphone anyway.
Samsung Galaxy A40 screen is case sensitive, it covers the entire of the front screen, despite its fragility. It is important to keep components to use the smartphone. It is important to just take mobile phone parts and replace them with the damaged one.
Our technicians make this repair guide to replace the Samsung Galaxy A40. All stages of the repair are discussed in detail. The changing of the screen is not difficult, but it requires attention and patience.
But the replacing of the screen is environment friendly, before changing the Samsung galaxy screen. it is highly recommended to make a full backup of the data as a precaution. It is such useful advice before the repairing of the smartphone
Turn off your Mobile:
Before changing the display Samsung Galaxy, you must turn off your mobile phone, just press and hold the home button for the few seconds and confirm with “turn off”
Insert Sim injector:
You can put the Sim Ejector (that is available in the Sim ejector (available in the Repairing tool kit) insert in the small hole on the Left side. By putting a slight pressure, you can feel the sim drawer eject, then you can easily remove it.
You can extract the Sim and SD drawer.
Then apply heat on the back side to soften the glue, which held it to the frame side. You can use the hair dryer to soften the glue. You can insert star isesamo directly between the screen and glass. You can do the rest of the operation.
Gently remove the upper part and slide to pick all around, tilt the back side and gently open it vertically. Your back cover is filed.
Use the flat screw drive:
You can use the flat screwdriver to remove the cover, which protects the ribbon from the fingerprint sensor. Spatula is too wide to use and the plastic cover is removed now.
Disconnect the Ribbon from the fingerprint sensor:
You can remove the nylon spatula to disconnect the ribbon from the fingerprint sensor.
With the help of the flat screwdriver, you can peel off the sensor, grab it and remove it completely. Now the fingerprint sensor is extracted completely.
Philip screwdriver for unscrew:
You can use the Philip screwdriver from the repairing tool kit to unscrew the 12 screw
Using the mobile phone open tool (Blade to create a small opening between the screen and the chassis. Simply slide on the left side of the screen and repeat the procedure on the right side and separate the chassis.
Disconnect the Battery:
By using the Nylon spatula, you can disconnect the battery. The Precaution must be taken to avoid the possible risks of short circuit during Samsung Galaxy A40. You can use Nylon Spatula, you can unlock the interconnect cable on the motherboard. You can unlock the connecting wires of the charging connector.
You can continue by disconnecting and removing the front camera.
The screwdriver is used to unscrew the motherboard. You can lift the motherboard with the Nylon spatula to extract the motherboard. The motherboard is partially disassembled.
Extract the internal Speaker:
Gently slide the flat screwdriver under the internal speaker to extract it
Dislodge the Vibrator:
You can use the flat screwdriver to dislodge the vibrator. The vibrator is deposition.
Disconnect the Screen from charging connector:
The Nylon spatula is used to unlock the connecting wires of the charging connector, then simply remove it. The tip of the spatula to disconnect the interconnected cable from the charging connector. The charging connector is extracted.
Turn the phone:
You can turn your phone to warm up the screen. The main purpose is to soften the glue to hold the battery.
Note: don’t heat the battery directly. Do not heat the Centre of the LCD for a long time. It may damage the battery. You can use the wide spatula under the battery to lift the screen and extract it
To reassemble your Samsung A40 to follow the guide in a reverse order.