vivo X200 FE Self-Repair Manual
1. About This Manual
This manual provides instructions for DIY repairs of vivo phones, intended for individuals with practical skills and repair experience. It covers the replacement of official vivo phone components.
1.1 Purpose
To guide users through the process of replacing components in vivo phones.
1.2 Caution
All information, specifications, and features in this manual are subject to change without prior notice. vivo reserves the right to modify this manual at any time. Users must read this manual carefully before attempting any repairs. Failure to meet repair conditions means the device should not be disassembled. For repairs, users can visit a vivo customer service center.
1.2.1 Repair Notes
- Failure to follow instructions or using non-official components/tools may damage the device, affect its functionality and water resistance, and potentially cause fires or other safety hazards.
- vivo is not liable for damages resulting from repairs performed by unauthorized individuals or non-professionals.
- Repairs performed by parties other than vivo-certified service providers will void the warranty.
- It is recommended to use only official tools, as non-official tools can quickly damage electronic components sensitive to electromagnetic interference.
- It is recommended to use only official spare parts. Third-party parts may not function correctly and could cause fires or injuries.
- Some components, such as sensors and speakers, may require calibration after replacement to ensure optimal performance.
- Water and dust resistance cannot be guaranteed for devices repaired by users or non-professionals.
- For error data access or detailed diagnostics, contact a vivo customer service center.
- Back up important data before performing repairs.
- Wear appropriate protective gear. vivo is not responsible for injuries due to not wearing protective gear.
- Perform repairs in a safe location.
- Ensure the device is powered off and the battery is fully discharged before repair.
- If the device is damaged, emits smoke, or smells burnt, stop the repair immediately and contact vivo customer service. Use appropriate fire extinguishers for battery fires.
- Wear protective clothing, including safety glasses, gloves, and a mask.
- Be careful when removing the back cover to avoid damaging the device. Ensure no loose screws or foreign objects are around the battery before reassembly.
- Check the back cover for anomalies before reattaching. Avoid applying excessive force or pressure to the battery to prevent damage.
1.2.2 ESD Precautions
Electrostatic Discharge (ESD) can negatively impact mobile devices. It is recommended to wear anti-static wristbands and gloves and use an anti-static mat during repairs. Ensure good ventilation in the workspace, as low humidity environments increase the risk of ESD.
2. Warranty
- Official spare parts have a 90-day warranty.
- Devices repaired by non-authorized service providers are not covered by warranty, and the user is responsible for repair costs.
- Users are responsible for any damages incurred during self-repair.
3. Tools
3.1 Hardware Tools
| Name of Tool | Image Description | Use |
|---|---|---|
| Metal Spudger (with scale) | A metal tool with a scale, approximately 53mm in length. | Disassembly of display modules. |
| Screwdriver Set (2-in-1 screwdriver with rubber grip, 6 x 100 mm) | A red screwdriver with interchangeable bits (PH1.2/PH1.5, PH2.0, SL1.5/SL2.0). | Removing and installing screws. |
| PET Pry Plate | A flat, dark grey plate. | Removing the back cover and display modules. |
| Suction Cup | A yellow suction cup, possibly with a measuring tape attached. | Removing the back cover. |
| Anti-static Carbon Fiber Tweezers (pointed) | Fine-tipped tweezers made of carbon fiber. | Removing Board-to-Board (BTB) and coaxial cable connectors. |
| Metal Tweezers with Flat Tip | Flat-tipped metal tweezers, labeled VETUS ESD-13. | Removing the main board and ANA board, or cleaning adhesive. |
| Anti-shatter Film | A transparent film with grid lines. | Prevents screen/back cover shattering during disassembly. |
| General Pressing Device | A device with a pressing head, used with a base. | Securing the screen or back cover. |
| Electrical Insulating Tape, 3M, Black, 17 mm | A roll of black electrical tape. | Optical calibration. |
| Fake Finger, Flesh-colored, 20 x 20 x 12 mm | A small, flesh-colored block. | Testing optical fingerprint recognition. |
| Fake Finger, Black, 22 x 22 x 12 mm | A small, black block. | Testing optical fingerprint recognition. |
| Heating Mat (Standard temperature: 65 °C) | A blue mat with temperature controls. | Heating the back cover and screen. |
3.1.1 Purchasing Tools
Official purchase link: vivo.com
3.2 Software Update and Software Tools
3.2.1 Software Update via FOTA
- To update software, go to Settings > System Update.
- If the system is already on the latest version, no update is needed.
- If an update is available, you can schedule the automatic update time.
Note:
- Updating software via mobile data may incur additional charges.
- If the latest software has already been downloaded to the device, these options may not be applicable.
3.2.2 Self-Diagnosis
Perform a self-diagnosis before and after repair to check if the device is functioning correctly. Open the vivo Store/vivo.com app, go to Support > Hardware Test > Self-Calibration, and enter the calibration code “SELFREPAIR” to perform the check.
3.2.3 Self-Calibration in the vivo Store/vivo.com App
After replacing the display or camera, calibration may be necessary for rear cameras (if applicable), the in-display fingerprint scanner, the infrared proximity sensor, and the ambient light sensor to ensure proper functionality.
| Calibration Element | Instructions | Illustration Description | Description |
|---|---|---|---|
| Rear Cameras | Open vivo Store/vivo.com app, go to Support > Hardware Test > Self-Calibration, enter code “SELFREPAIR”, select Dual Rear Camera Calibration, and calibrate the cameras. | Screenshots showing the calibration process for rear cameras. | This calibration is required after replacing the main board or a rear camera. |
| In-Display Fingerprint Scanner | Open vivo Store/vivo.com app, go to Support > Hardware Test > Self-Calibration, enter code “SELFREPAIR”, select Screen Fingerprint Calibration, and calibrate the fingerprint scanner. | Screenshots showing the calibration process for the fingerprint scanner. | This calibration is required after replacing the display assembly, display module, or fingerprint module. |
| Infrared Proximity Sensor | Open vivo Store/vivo.com app, go to Support > Hardware Test > Self-Calibration, enter code “SELFREPAIR”, select Infrared Proximity Sensor Calibration, and calibrate the sensor. | Screenshots showing the calibration process for the proximity sensor. | This calibration is required after replacing the main board or the display assembly/module. |
| Ambient Light Sensor | Open vivo Store/vivo.com app, go to Support > Hardware Test > Self-Calibration, enter code “SELFREPAIR”, select Photosensitive Calibration, and calibrate the ambient light sensor. | Screenshots showing the calibration process for the ambient light sensor. | This calibration is required after replacing the main board or the display assembly/module. |
3.3 Protective Gear
| Name of Tool | Image Description | Use |
|---|---|---|
| Safety Glasses | Clear safety glasses. | Protection against splashes/shards during repairs. |
| Anti-static, Cut-resistant Gloves | Grey gloves with green cuffs. | Protection against ESD damage and cuts during repairs. |
| Anti-static Wrist Strap | A blue wrist strap with a clip. | Protection against ESD damage to the device during repairs. |
| Anti-static Mat | A green mat. | Protection against ESD damage to the device during repairs. |
| Anti-shatter Film | Transparent films with a grid pattern. | Protection against device damage or personal injury from broken screens or back covers. |
| Fire Extinguisher Bucket | A red bucket labeled "FIRE". | Containing a burning battery. |
Note: vivo does not provide all protective gear; users must obtain them from other sources.
4. Repair Instructions
4.1 Spare Parts
| No. | Name of Material | Part Code | Illustration Description |
|---|---|---|---|
| 1 | Display Assembly | 5437555, 5437671, 5437554 | The internal components of the phone with the display attached. |
| 2 | Display Module | 5437567 | A front view of the display unit. |
| 3 | Back Cover Assembly | 5437563, 5437564 | The back panel of the phone with camera lenses. |
| 4 | Battery Assembly | 5437561, 5437562 | A lithium-ion battery pack with specifications and warnings. |
| 5 | Wide-angle Camera | 5437559 | A camera module. |
| 6 | Main Rear Camera | 5437558 | A camera module. |
| 7 | Front Camera | 5437557 | A camera module. |
| 8 | ANA Board | 4935314 | The main circuit board with connectors. |
| 9 | Lower Speaker | 5437556 | The speaker module with a ribbon cable. |
| 10 | Side Buttons | 5437568, 5437569 | The power and volume buttons. |
| 11 | SIM Card Tray | 5437570, 5437571 | The tray for the SIM card. |
| 12 | Periscope Camera Assembly | 5437560 | A camera module. |
4.2 Device Structure
An exploded view diagram showing the internal components of the vivo X200 FE, with numbered parts corresponding to the list below.
| No. | Name of Material |
|---|---|
| 1 | M-Board |
| 2 | ANA Board |
| 3 | FK Board |
| 4 | FMA Board |
| 5 | NB Board |
| 6 | Display Assembly |
| 7 | Wide-angle Camera Lens with decorative ring |
| 8 | M-Board Mounting Bracket |
| 9 | Infrared Remote Control Assembly |
| 10 | Lower Speaker Assembly |
| 11 | Motor Assembly |
| 12 | Fingerprint Scanner Assembly |
| 13 | Front Camera Assembly |
| 14 | Main Rear Camera Assembly |
| 15 | Wide-angle Camera Assembly |
| 16 | Periscope Camera Assembly |
| 17 | Upper Speaker Assembly |
| 18 | Sealed Lithium-Ion Battery |
| 19 | Back Cover Assembly |
| 20 | Power/Volume Button |
| 21 | Volume Button |
4.3 Disassembly and Assembly Instructions
Before starting repairs, follow these steps:
- Back up your data.
- Fully discharge the battery.
- Turn off the phone and disconnect all external data cables.
- Wear anti-static gloves.
- If you encounter issues like surface damage or adhesive overflow after assembly, contact a vivo official service center.
4.3.1 Replacing the Back Cover
Difficulty: Low
Duration: 6-10 minutes
Required Spare Parts: Back Cover Assembly
Tools:
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 | Turn off the device. Insert the SIM eject tool into the SIM card tray hole to remove the tray. | Image of the phone with the SIM tray being ejected. | |
| 2 | Set the heating mat to 65°C and place the device on it for five minutes. | Image of the phone on a heating mat. | |
| 3 | Place the suction cup in the center of the bottom edge of the back cover. Lift gently until a small gap appears, then insert a spudger to loosen the cover. Do not slide the spudger along the edges. | Image showing a suction cup being attached and a spudger being inserted. | Note: Use a suction cup with a handle. Be careful to avoid injury, as the handle may detach during use. |
| 4 | Apply an anti-shatter film to the cover to prevent damage. Slide the spudger a maximum of 5 mm deep along the edges. | Image showing the phone with dashed lines indicating the area to slide the spudger, and the anti-shatter film applied. | Do not insert the spudger deeper than 5 mm to avoid damaging internal circuits. |
| 5 | After loosening the back cover all around, carefully lift it upwards. Caution: Excessive force may damage the cover. | Image of the back cover being lifted off the phone. | |
| 6 | Completely separate the back cover from the device. | Image showing the phone's internal components with the back cover removed. | |
| 7 | Clean the device frame and back cover of adhesive residue using pointed anti-static tweezers or fingers. | Image showing the phone frame and back cover being cleaned, with a close-up of a camera lens area. | Do not touch the camera lenses or lens protectors. Be careful not to damage adjacent components. |
| Assembly | |||
| 1 | Peel the protective film from the adhesive tape on the back cover and attach the tape to the middle frame. Press the tape firmly to ensure good adhesion, then peel off the top protective film. | Image showing the adhesive tape being applied to the phone frame. | |
| 2 | Align the back cover precisely and press it firmly onto the middle frame. Use a lint-free cloth to press on the adhesive surfaces to ensure the cover adheres well. | Image of the back cover being aligned and pressed onto the phone. |
4.3.2 Replacing the M-Board Mounting Bracket
Difficulty: Low
Duration: 8-12 minutes
Required Spare Parts: M-Board Mounting Bracket
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 (Disassembly) | Remove the back cover. | Refer to Section 4.3.1. | |
| 2 (Disassembly) | Remove the ten screws securing the M-board mounting bracket using a Phillips head screwdriver. | Image showing the location of the screws on the M-board mounting bracket. | |
| 3 (Disassembly) | Lift the bracket from the bottom edge to remove it. | Image showing the bracket being lifted. | |
| 1 (Assembly) | Align the left side of the M-board mounting bracket with the M-board and press firmly to secure it. | Image showing the bracket being aligned and pressed onto the M-board. | Ensure the camera module is not shifted. |
| 2 (Assembly) | Secure the M-board mounting bracket with the ten screws. | Image showing the location of the screws being fastened. |
4.3.3 Replacing the Lower Speaker
Difficulty: Low
Duration: 8-12 minutes
Required Spare Parts: Lower Speaker Assembly
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 (Disassembly) | Remove the back cover. | Refer to Section 4.3.1. | |
| 2 (Disassembly) | Disconnect the coaxial cable. | Image showing the coaxial cable being disconnected. | Note: Do not touch the battery. |
| 3 (Disassembly) | Remove the six screws from the lower speaker bracket. | Image showing the screws being removed from the speaker bracket. | |
| 4 (Disassembly) | Remove the antenna board by carefully prying it up with pointed tweezers. (The antenna board only needs to be removed for speaker replacement.) | Image showing the antenna board being pried out. | |
| 1 (Assembly) | Before mounting the speaker, check it for any attached foreign objects. Align the speaker with its slot in the upper housing. Press the left side into position first, then the right. The speaker must lie flat without lifting. | Image showing the speaker being aligned and pressed into place. | |
| 2 (Assembly) | Install the screws. | Image showing screws being installed. | |
| 3 (Assembly) | Route the coaxial cable cleanly into the speaker bracket's cable slot. | Image showing the coaxial cable being routed. |
4.3.4 Replacing the ANA Board (including main microphone and charging port)
Difficulty: Low
Duration: 9-13 minutes
Required Spare Parts: ANA Board Assembly
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 (Disassembly) | Remove the back cover. | Refer to Section 4.3.1. | |
| 2 (Disassembly) | Remove the lower speaker. | Refer to Section 4.3.3. | |
| 3 (Disassembly) | Disconnect the BTB connectors and coaxial cable from the indicated points. | Image showing BTB connectors and coaxial cable being disconnected. | |
| 4 (Disassembly) | Lift the ANA board out of the indicated position using pointed tweezers. | Image showing the ANA board being lifted out. | |
| 1 (Assembly) | Align the bottom edge of the ANA board with the middle frame and press down until it lies flat without lifting. | Image showing the ANA board being aligned and pressed into place. | |
| 2 (Assembly) | Connect the FMA board's BTB connector to the ANA board. | Image showing the BTB connector being connected. | |
| 3 (Assembly) | Connect the coaxial cable and all BTB connectors. | Image showing cables and connectors being connected. |
4.3.5 Replacing the M-Board
Difficulty: Low
Duration: 9-12 minutes
Required Spare Parts: M-Board
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 (Disassembly) | Remove the back cover. | Refer to Section 4.3.1. | |
| 2 (Disassembly) | Remove the M-board mounting bracket. | Refer to Section 4.3.2. | |
| 3 (Disassembly) | Use pointed tweezers to disconnect the battery's BTB connector, then the BTB connectors and coaxial cables of other components. Protect the camera from dust and contamination after removal. Do not touch the lens to avoid affecting photo quality. | Image showing various connectors and cables being disconnected, with a focus on protecting the camera. | Note: The black coaxial cable does not need to be disconnected. Protect the camera from dust and contamination. Do not touch the lens to avoid affecting photo quality. |
| 4 (Disassembly) | Lift the M-board out of the indicated position using pointed tweezers. | Image showing the M-board being lifted out. | |
| 1 (Assembly) | Align the bottom edge of the M-board with the middle frame and secure the M-board. Ensure it lies flat and does not lift. | Image showing the M-board being aligned and secured. | |
| 2 (Assembly) | Reinstall the camera and all BTB connectors and coaxial cables. | Image showing the camera, connectors, and cables being reinstalled. | |
| 3 (Assembly) | Perform calibrations. After assembly, calibrate the rear cameras, ambient light sensor, and infrared proximity sensor as described in Section 3.2.3. |
4.3.6 Replacing the Upper Speaker
Difficulty: Low
Duration: 9-12 minutes
Required Spare Parts: Upper Speaker Assembly
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 (Disassembly) | Remove the back cover. | Refer to Section 4.3.1. | |
| 2 (Disassembly) | Remove the M-board mounting bracket. | Refer to Section 4.3.2. | |
| 3 (Disassembly) | Remove the M-board. | Refer to Section 4.3.5. | |
| 4 (Disassembly) | Loosen the speaker reinforcement plate with a flat-head screwdriver. Then remove the upper speaker unit. | Images showing the speaker reinforcement plate being loosened and the upper speaker unit removed. | When removing the speaker unit, do not insert the screwdriver too deep to avoid damaging the display. |
| 1 (Assembly) | Remove adhesive residue from the upper speaker surface. Attach the upper speaker to the middle frame with new adhesive tape and peel off the blue protective film. | Image showing the upper speaker being attached with new adhesive tape. | When removing adhesive, be careful not to damage the display. |
| 2 (Assembly) | Press the speaker into position on the middle frame. | Image showing the speaker being pressed into place. |
4.3.7 Replacing the Battery
Difficulty: Low
Duration: 6-10 minutes
Required Spare Parts: Battery Assembly
Before removing the battery:
- Fully discharge the battery.
- Keep a fire extinguisher bucket ready in case of battery fire.
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 (Disassembly) | Remove the back cover. | Refer to Section 4.3.1. | |
| 2 (Disassembly) | Remove the M-board mounting bracket. | Refer to Section 4.3.2. | |
| 3 (Disassembly) | Disconnect the battery's BTB connector. | Image showing the battery BTB connector being disconnected. | |
| 4 (Disassembly) | Slowly pull the battery's PET film along the pull tab, maintaining a 145° angle between the tab and the battery surface. | Image showing the battery pull tab being pulled at a 145° angle. | Keep your hands away from the battery surface during this process. |
| 1 (Assembly) | Inspect the battery for swelling, deformation, or damage. Defective batteries are not reusable and must be replaced. | Image of the battery being inspected. | |
| 2 (Assembly) | Clean adhesive residue from the upper housing and the battery. Remove all black adhesive residue from the marked areas. Also, remove the PET film from the old battery. | Images showing the cleaning process and the PET film removal. | |
| 3 (Assembly) | Take a new battery PET film. Peel off protective film 1 and attach the exposed PET film to the battery. Attach the pull tab to the battery. Peel off protective film 2 and attach the PET film to the entire surface. | Images showing the application of new PET film and pull tab. | |
| 4 (Assembly) | Take battery compartment adhesive tape and apply it to the marked area. | Image showing the battery compartment adhesive tape being applied. | |
| 5 (Assembly) | Before assembly, ensure the battery and battery compartment are free of foreign objects. Remove the protective films from the adhesive tapes. Place the battery into the compartment and press on the indicated adhesive points with your fingers to activate the connection. | Images showing the battery being placed and pressed into the compartment. |
4.3.8 Replacing the Display Assembly
Difficulty: Medium
Duration: 15-20 minutes
Required Spare Parts: Display Assembly
Before removing the display module:
- Wear gloves to avoid cuts from the metal spudger.
- Insert the spudger only between the cover and the screen. Inserting it into gaps in the middle frame can cause scratches.
- Prepare some adhesive (purchase code: 5121839), which is required for some models.
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 (Disassembly) | Remove the back cover. | Refer to Section 4.3.1. | |
| 2 (Disassembly) | Remove the M-board mounting bracket. | Refer to Section 4.3.2. | |
| 3 (Disassembly) | Remove the lower speaker. | Refer to Section 4.3.3. | |
| 4 (Disassembly) | Remove the M-board and cameras. | Refer to Section 4.3.5. | |
| 5 (Disassembly) | Remove the battery. | Refer to Section 4.3.7. | |
| 6 (Disassembly) | Remove the upper speaker. | Refer to Section 4.3.6. | |
| 7 (Disassembly) | Remove the ANA board. | Refer to Section 4.3.4. | |
| 8 (Disassembly) | Remove the motor. | Image showing the motor being removed. | |
| 9 (Disassembly) | Remove the fingerprint scanner. | Image showing the fingerprint scanner being removed. | |
| 1 (Assembly) | Mount the upper speaker, M-board, cameras, motor, fingerprint scanner, and ANA board. | Refer to the following sections: 4.3.4, 4.3.5, and 4.3.6. | |
| 2 (Assembly) | Mounting the FMA board: First, attach the adhesive tape to the back of the FMA board. Then, connect the FMA board's BTB connector to the M-board and ANA board. Finally, attach the FMA board to the middle frame and the protective cushion at the bottom of the battery compartment. | Images showing the FMA board and its connectors. | |
| 3 (Assembly) | Mounting the coaxial cable: Connect both ends of the coaxial cable to the M-board and route the cable through the cable slot. Apply a PET film, press it firmly, and attach the black coaxial cable to the ANA board. | Images showing the coaxial cable being routed and connected. | |
| 4 (Assembly) | Mount the lower speaker, battery, M-board mounting bracket, and back cover. | Refer to the following sections: 4.3.1, 4.3.2, 4.3.3, and 4.3.7. | |
| 5 (Assembly) | Turn on the device to check if the screen display is functioning correctly. | Image of the phone's screen displaying the home screen. | |
| 6 (Assembly) | Perform calibrations. After complete assembly, calibrate the rear cameras, in-display fingerprint scanner, infrared proximity sensor, and ambient light sensor as described in Section 3.2.3. |
4.3.9 Replacing the Side Buttons
Difficulty: Low
Duration: 6-8 minutes
Required Spare Parts: Side Button Assembly
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 (Disassembly) | Turn off the device. Press one side of the volume button and lift it off with flat metal tweezers on the other side. Remove the power button in the same manner. | Image showing a button being pried off with tweezers. | Caution: Risk of injury! Be careful. |
| 1 (Assembly) | Insert the new side buttons into the corresponding slots, ensuring they are parallel to the middle frame. | Image showing new buttons being inserted. | |
| 2 (Assembly) | Press the buttons into the slots with your fingers, one side at a time. | Image showing buttons being pressed into place. |
4.3.10 Replacing the Display Module
Difficulty: High
Duration: 20-50 minutes
Required Spare Parts: Display Module
Before removing the display module:
- Wear gloves to avoid cuts from the metal spudger.
- Insert the spudger only between the cover and the screen. Inserting it into gaps in the middle frame can cause scratches.
- Prepare some adhesive (purchase code: 5121839), which is required for some models.
| Step | Instructions | Illustration Description | Notes |
|---|---|---|---|
| 1 (Disassembly) | Remove the back cover. | Refer to Section 4.3.1. | |
| 2 (Disassembly) | Remove the M-board mounting bracket. | Refer to Section 4.3.2. | |
| 3 (Disassembly) | Remove the M-board. | Refer to Section 4.3.5. | |
| 4 (Disassembly) | Remove the lower speaker. | Refer to Section 4.3.3. | |
| 5 (Disassembly) | Remove the ANA board. | Refer to Section 4.3.4. | |
| 6 (Disassembly) | Remove the motor. | Refer to Step 8 in Section 4.3.8. | |
| 7 (Disassembly) | Heat the display for five minutes at 65°C on the heating mat. | Image of a digital thermostat and the phone being heated. | |
| 8 (Disassembly) | Insert a metal spudger 3 mm deep through the upper speaker hole to create a gap between the display and the upper housing, then detach the display with a PET spudger on all four sides. | Images showing the spudger being inserted and the display being pried off. | Complete the disassembly immediately after heating. Delays can lead to cooling and difficulties. Use a metal spudger only for stubborn areas. |
| 9 (Disassembly) | After loosening the display all around, carefully lift it upwards. Note: You must remove the flexible printed circuit (FPC) in the lower left corner through a slot. | Image showing the display being lifted, with a close-up of the FPC. | |
| 1 (Assembly) | Clean the middle frame of adhesive residue while it is still warm, as shown in Figure 1. Check the frame and replace it if damaged. | Image of the phone frame being cleaned. | |
| 2 (Assembly) | Apply the display adhesive tape to the middle frame. Align the tape with the corresponding positions and press it firmly to adhere. | Image showing the display adhesive tape being applied. | |
| 3 (Assembly) | Take a bottle of adhesive, remove hardened adhesive from the applicator tip to ensure proper flow, and apply adhesive to the bottom edge of the device. Follow the arrow direction from point A along the narrow edge to point B (tilt the tip slightly against the edge for precise application). | Image showing adhesive being applied to the frame. | |
| 4 (Assembly) | Remove excess adhesive inside with a spudger. Correct uneven adhesive with the applicator tip. The image on the right shows the result of proper adhesive application. Then remove all protective films. | Images showing excess adhesive removal and correction. | |
| 5 (Assembly) | Insert the display FPC into the FPC slot in the middle frame as shown in the image. Place the display onto the frame and align it with the upper housing so they snap together completely. | Image showing the display FPC being inserted and the display being placed. | |
| 6 (Assembly) | Wipe excess adhesive from the bottom edge with a lint-free cloth. | Image showing excess adhesive being wiped off. | |
| 7 (Assembly) | After assembly, wrap a lint-free cloth around your fingers and press firmly along all adhesive points for one minute to ensure they adhere well. | Image showing fingers wrapped in cloth pressing on the display. | |
| 8 (Assembly) | After complete assembly, place the device in the pressing device as shown and maintain pressure for 30 minutes. | Image of the phone in a pressing device. | |
| 9 (Assembly) | Turn on the device to check if it functions. | Image of the phone's screen displaying the home screen. | |
| 10 (Assembly) | Perform calibrations. After complete assembly, calibrate the rear cameras, in-display fingerprint scanner, infrared proximity sensor, and ambient light sensor as described in Section 3.2.3. |
