Download
Share
Print this page
Xiaomi 15 ultra Repair Manual
  1. Manuals
  2. Brands
  3. Xiaomi Manuals
  4. Cell Phone
  5. 15 Ultra
  6. Repair manual
Xiaomi 15 ultra Repair Manual

Xiaomi 15 ultra Repair Manual

Hide thumbs Also See for 15 ultra:

Advertisement

Quick Links

Download this manual
Repair Manual
Version: O1
https://spare-parts.mi.com/

Advertisement

loading
Need help?

Need help?

Do you have a question about the 15 ultra and is the answer not in the manual?

Questions and answers

Related Manuals for Xiaomi 15 ultra

Summary of Contents for Xiaomi 15 ultra

  • Page 1 Repair Manual Version: O1 https://spare-parts.mi.com/...
  • Page 2 Table of Contents Instructions for Use 5 ------ Notes 6 ------ Repair Precautions 8 ------ ESD (Electrostatic Discharge) Precautions 8 ------ OTA Upgrade 9 ------ Icon Description Materials and List 10 ------ Materials 11 ------ List Tool Preparation 12 ------ Tools 17 ------ Consumables (adhesives and other materials)
  • Page 3 Table of Contents Disassembly 18 ------ Remove the SIM Card Tray 19 ------ Heating up the Phone 22 ------ Remove the Battery Cover Module 24 ------ Remove the Mainboard Cover Assy 25 ------ Disconnect the Cables 26 ------ Remove the Camera Assy 29 ------ Disconnect the Coaxial Cables 30 ------...
  • Page 4 Table of Contents 49 ------ Assemble the Mainboard Assy 50 ------ Assemble the Camera Assy 53 ------ Connect the Coaxial Cables 54 ------ Connect the FPC Assy 55 ------ Assemble the Battery 58 ------ Assemble the Mainboard Cover Assy 59 ------ Assemble the Battery Cover Module 62 ------ Assemble the SIM Card Tray...
  • Page 5 Xiaomi reserves the right to modify this document or the device described herein at any time without obligation to provide notice of such changes.
  • Page 6 • If you need to access the device's fault data or require a more detailed diagnosis, please visit a Xiaomi Service Center. • If you need to replace an unsold part, please visit the Xiaomi Service Center and get further guidance.
  • Page 7 Instructions for Use Before performing repairs, be sure to wear appropriate safety equipment. Xiaomi is not responsible for any injuries that may occur as a result of not wearing appropriate safety equipment. Please read the Disassembly and Assembly Tools carefully, understand the list of tools required to assemble and disassemble the device.
  • Page 8 Instructions for Use ESD (Electrostatic Discharge) Precautions Electrostatic discharge is the sudden flow of electricity between two charged objects due to contact, short circuit, or dielectric breakdown. ESD can negatively affect mobile devices, especially electronic components. • It is recommended to use ESD-safe (antistatic) equipment, such as antistatic wrist straps and gloves, and ESD-safe mats when repairing devices.
  • Page 9 Icon Description Icon Description Warning: Situations that could cause harm to yourself or others; Caution: Situations that may cause damage to your device or other equipment; Tip: Notes, usage tips, or other information; Customers: If you are the customer, please refer to the precautions/operations under this icon;...
  • Page 10 Materials and List Materials and List Materials — 10 —...
  • Page 11 Materials and List List Serial number Name O1_001 Battery Cover Module O1_002 Mainboard Cover Assy O1_003 Mylar-Battery compartments O1_004 Front Camera O1_005 Ultra Wide Angle Camera(Right) Telephoto Camera(Left) O1_006 Main Camera O1_007 Telephoto Camera-200M O1_008 Mainboard Assy O1_009 Plsensor Board O1_010 SIM Card Tray O1_011...
  • Page 12 Tool Preparation Tools and Materials Tools When disassembling and assembling the phone, please be sure to wear protective equipment to prevent injury. Target Tool Name Diagram Details users Prevent accidents during Safety Goggles repair (protective equipment). Safety Gloves Prevent accidents during (ESD safe, repair (protective cut-resistant)
  • Page 13 Tool Preparation Target Tool Name Diagram Details users Prevent static electricity ESD Safe Mat from damaging the device (recommended). Used to remove the SIM Ejection Pin card tray (necessary tool). Phillips Used to remove screws Screwdriver (necessary tool). For removing wiring harness connections and Plastic Pry Bar other components...
  • Page 14 Tool Preparation Target Tool Name Diagram Details users Used for disassembly and assembly of small parts (necessary tool); Please do not use ESD Safe metal tweezers to Tweezers avoid scratching the device and damaging it with static electricity. Used to remove the battery cover and other parts (necessary tool);...
  • Page 15 Tool Preparation Target Tool Name Diagram Details users Used to heat when removing the back cover (necessary tool); Heating Bag Use the tabs as handles when heating to avoid burns. For heating the Heating Micro-wave Oven Bag (necessary tool). Used to position the Adhesive Backing adhesive when sticking Fixing Tool...
  • Page 16 Tool Preparation Target Tool Name Diagram Details users When removing the battery cover, heat the adhesive on the battery Heating Platform cover to make it easier to separate the battery cover from the device. Used when pressing the battery cover, so that the Crimping Tool pressure can be precisely controlled.
  • Page 17 Tool Preparation Consumables (adhesives and other materials) Consumables may vary depending on the repair parts, country, region or repair provider. The content in the table is for reference only. Target Name Diagram Details users Used when attaching the Battery Cover battery cover to the Adhesive device.
  • Page 18 Disassembly and Assembly Disassembly Before disassembly • Make sure your phone data is backed up to prevent loss of important data. • Disconnect the device from the power source and turn it off. • Wear an anti-static wrist strap and connect it to a grounded ESD safety mat. •...
  • Page 19 Disassembly and Assembly 2. Heating up the Phone: If you are the customer, please refer to the following method: • It is possible for the device or battery to be damaged by heat. • Do not heat the device in a microwave. Doing so could cause an explosion. •...
  • Page 20 Disassembly and Assembly (2) Take the Heating Bag out of the microwave. Use the label as a handle when removing the Heating Bag to avoid burns. (3) Place the phone on the Heating Bag and heat it for about 1-2 minutes. —...
  • Page 21 Disassembly and Assembly If you are a professional authorized repairer, please refer to the following method: (1) Use a heating platform and wait for it to heat up to about 70 degrees Celsius. (2) Place the phone on the heating platform and continue heating for 1-2 minutes. Please heat the device within the specified temperature and time, otherwise it may be damaged or affect subsequent operations.
  • Page 22 Disassembly and Assembly 3. Remove the Battery Cover Module: (1) Use the Suction Cup to secure the Battery Cover Module. If the Suction Cup is not used, the device may move during operation, affecting operation. (2) Use the Plastic Pry Tool to gently cut the adhesive on the Battery Cover Module. Use the Plastic Pry Tool to slide along the left edge of the device to cut the glue, leaving the Plastic Pry Tool on the left edge side when finished to prevent the adhesive from resealing.
  • Page 23 Disassembly and Assembly (3) Use the Plastic Pry Tool to cut all the glue around the Battery Cover Module as described above, and then carefully separate the Battery Cover Module from the device. • Be careful not to damage the Battery Cover Module, as excessive force may damage the Battery Cover Module.
  • Page 24 Disassembly and Assembly 4. Remove the Mainboard Cover Assy: (1) Use a needle screwdriver to remove the screws. Check the number of screws that have been removed and keep them in a safe place to ensure that no unassembled screws are left inside the device during the assembly process.
  • Page 25 Disassembly and Assembly 5. Disconnect the Cables: (1) Disconnect the Battery Cables. • For your safety, always disconnect the battery connector first. • Be careful not to damage the battery. (2) Disconnect the Main FPC Assy from the Mainboard Assy. Please disconnect the interface in parallel during operation to avoid tilting and pulling, which may cause damage to the interface.
  • Page 26 Disassembly and Assembly 6. Remove the Camera Assy: (1) Disconnect the Ultra Wide Angle Camera from the Mainboard Assy, then disconnect the Telephoto Camera from the Mainboard Assy. Please disconnect the interface in parallel during operation to avoid tilting and pulling, which may cause damage to the interface.
  • Page 27 Disassembly and Assembly (4) Disconnect the Telephoto Camera-200M from the Mainboard Assy and remove it. • Please disconnect the interface in parallel during operation to avoid tilting and pulling, which may cause damage to the interface. • Do not touch the camera lens directly during operation to avoid scratching the lens. When disassembling, you can shake it gently to loosen the installation between the camera and the device to facilitate disassembly.
  • Page 28 Disassembly and Assembly (6) Tear open the Conductive Cloth of the Front Camera. Please be careful to avoid damaging the Conductive Cloth. You can use special alcohol to help tear off the Conductive Cloth. (7) Disconnect the Front Camera from the Mainboard Assy and remove it. •...
  • Page 29 Disassembly and Assembly 7. Disconnect the Coaxial Cables: (1) Disconnect the Coaxial Cable-Blue and remove it from the wire guide to avoid affecting subsequent operations. Do not pull the cable directly when disconnecting to avoid breaking it. Please tidy up the wiring harness after disconnecting to avoid affecting subsequent operations.
  • Page 30 Disassembly and Assembly (3) Disconnect the Coaxial Cable-Black and remove it from the wire guide to avoid affecting subsequent operations. Please pay special attention to the cable break and be careful not to damage the port. 8. Remove the Mainboard Assy: Remove the Mainboard Assy from the device.
  • Page 31 Disassembly and Assembly 9. Remove the Upper Speaker Assy: • Please keep small parts properly, as missing parts may cause the device to fail to start • Do not use metal tweezers or other hard tools as they may scratch the device. 10.
  • Page 32 Disassembly and Assembly 11. Remove the Lower Speaker Assy: (1) Remove the screws. Check the number of screws that have been removed and keep them in a safe place to ensure that no unassembled screws are left inside the device during the assembly process.
  • Page 33 Disassembly and Assembly 12. Remove the Sub-Board Assy: (1) Disconnect the Main FPC Assy from the Sub-Board Assy. Please disconnect the interface in parallel during operation to avoid tilting and pulling, which may cause damage to the interface. (2) Disconnect the Front Cover Display from the Sub-Board Assy. Please disconnect the interface in parallel during operation to avoid tilting and pulling, which may cause damage to the interface.
  • Page 34 Disassembly and Assembly (3) Disconnect the Coaxial Cable-2 in 1 from the Sub-Board Assy. Then pull the cable out of the cable duct. Do not pull the Coaxial Cable interface during operation to avoid damaging the Coaxial Cable. • You can use the flat side of a Plastic pry bar to gently pry up the connector. •...
  • Page 35 Disassembly and Assembly (5) Remove the Sub-Board Assy. Carefully lift the Sub-Board Assy with tweezers and remove the Sub-Board Assy, being careful not to damage the PBA board. • Do not touch the Sub-Board Assy directly with metal tools to avoid scratching the Sub-Board Assy and static damage.
  • Page 36 Disassembly and Assembly 14. Remove the Antenna Board Assy: (1) Disconnect the Coaxial Cable-Blue from Antenna Board Assy. Use the Plastic Pry Bar to hold down the Antenna Board Assy, then use the Plastic Pry Bar to gently lift up the connector. Please be careful not to damage the Coaxial Cable-Blue and Antenna Board Assy.
  • Page 37 Disassembly and Assembly 15. Remove the Battery: (1) Tear off the Easy Release Adhesive. (2) Remove the Battery. • Be careful not to damage the battery. • If there is any remaining Easy Release Adhesive on the device, tear off the remaining Easy Release Adhesive on the device.
  • Page 38 Disassembly and Assembly 16. Remove the Coaxial Cables: (1) Remove the Coaxial Cable-Blue from the cable duct. (2) Remove the Coaxial Cable-2 in 1 from the cable duct. (3) Remove the Coaxial Cable-Black from the cable duct. • Do not pull the interface of the Coaxial Cable to avoid breaking the interface of the Coaxial Cable.
  • Page 39 Disassembly and Assembly 17. Remove the Main FPC Assy: (1) Use tweezers to tear off the Mylar-Battery compartments. • Do not use metal tweezers or other metal tools as they may damage the Mylar-Battery compartments. • Be careful; using force may damage the Mylar-Battery compartments. (2) Carefully peel off the adhesive between the Main FPC Assy and the device and remove You can use special alcohol to help remove the adhesive, or use the microwave to heat the heating bags, then heat the device before removing it.
  • Page 40 Disassembly and Assembly Assembly Before reassembly, please confirm the following: • Thoroughly remove any residual adhesive. • Prepare the screws and new adhesive required for the device. • Wear an anti-static wrist strap and connect it to a grounded ESD safe mat. •...
  • Page 41 Disassembly and Assembly 2. Assemble the Sub-Board Assy: Install and press gently to ensure it is firmly in place. • Please check the components underneath when installing the Sub-Board Assy. If the components underneath are not properly installed, the Sub-Board Assy may not be properly installed.
  • Page 42 Disassembly and Assembly 3. Assemble the Antenna Board Assy: (1) Place the Antenna Board Assy in the correct position on the device. Do not use metal tweezers or other hard tools as they may scratch the device. (2) Connect the Coaxial Cable-Blue to the Antenna Board Assy. Please make sure it is installed in place and not lifted up, otherwise it will affect the subsequent installation (3) Arrange the Coaxial Cable-Blue into the cable duct.
  • Page 43 Disassembly and Assembly 4. Assemble the Coaxial Cables: (1) Connect the Coaxial Cable-Black to the Sub-Board Assy. You can press the wiring harness interface with your fingers. If you can clearly feel a "click" sound, it means the interface is connected in place. (2) Arrange the Coaxial Cable-Black into the cable duct.
  • Page 44 Disassembly and Assembly (3) Connect the Coaxial Cable-2 in 1 to the Sub-Board Assy. You can press the wiring harness interface with your fingers. If you can clearly feel a "click" sound, it means the interface is connected in place. (4) Arrange the Coaxial Cable-2 in 1 into the cable duct.
  • Page 45 Disassembly and Assembly 5. Assemble the Main FPC Assy: (1) Place the Main FPC Assy in the correct position of the device. (2) Connect the Main FPC Assy to the Sub-Board Assy. You can press the wiring harness interface with your fingers. If you can clearly feel a "click"...
  • Page 46 Disassembly and Assembly (4) Fit the Mylar-Battery compartments into position, pressing gently to ensure they fit flat. Do not use metal tools when pressing, metal tools can damage the Mylar-Battery compartments and scratch the device. (5) Connect the Front Cover Display to the Sub-Board Assy. You can press the wiring harness interface with your fingers.
  • Page 47 Disassembly and Assembly 6. Assemble the Lower Speaker Assy: (1) Place the Lower Speaker Assy into the correct position. (2) Press lightly to ensure it is installed in place. Please make sure that all the clips are locked into place, otherwise it will affect the subsequent assembly.
  • Page 48 Disassembly and Assembly 7. Assemble the Plsensor Board: (1) Place the Plsensor Board in the correct position of the device. (2) Press gently to secure it in place. • Do not press the middle part of the Plsensor Board to avoid damaging the PCB. When pressing, be careful not to use too much force.
  • Page 49 Disassembly and Assembly 8. Assemble the Upper Speaker Assy: • Do not touch the Upper Speaker Assy directly with metal tools to avoid scratching the Upper Speaker Assy and static damage. • Use moderate force when holding components with tweezers to avoid squeezing small components such as capacitors and resistors.
  • Page 50 Disassembly and Assembly 10. Assemble the Camera Assy: (1) Place the Front Camera in the correct position of the device and connect it to the Mainboard Assy. Do not touch the camera lens directly during operation to avoid scratching the lens. You can press the wiring harness interface with your fingers.
  • Page 51 Disassembly and Assembly (3) Place the Telephoto Camera-200M in the correct position of the device and connect it to the Mainboard Assy. Do not touch the camera lens directly during operation to avoid scratching the lens. • You can press the wiring harness interface with your fingers. If you can clearly feel a "click"...
  • Page 52 Disassembly and Assembly (5) Place the Ultra Wide Angle Camera and Telephoto Camera in the correct position of the device. • Do not touch the camera lens directly during operation to avoid scratching the lens. • Please align the Main Camera with the device positioning column, otherwise it cannot be installed correctly (6) Connect the Ultra Wide Angle Camera from the Mainboard Assy, then Connect the Telephoto Camera from the Mainboard Assy.
  • Page 53 Disassembly and Assembly 11. Connect the Coaxial Cables: (1) Connect the Coaxial Cable-Black to the Mainboard Assy. (2) Connect the Coaxial Cable-2 in 1 to the Mainboard Assy and organize it into the cable duct. Be careful not to damage the wiring harness when arranging it. (3) Connect the Coaxial Cable-Blue to the Mainboard Assy and organize it into the cable duct.
  • Page 54 Disassembly and Assembly 12. Connect the FPC Assy: Please ensure that the Main FPC Assy fits flatly with the device to avoid damage to the Main FPC Assy caused by squeezing other accessories during subsequent assembly. You can press the wiring harness interface with your fingers. If you can clearly feel a "click"...
  • Page 55 Disassembly and Assembly 13. Assemble the Battery: If you are the customer, please refer to the following method: (1) Remove the Easy Release Adhesive protective film from the new battery. Please try not to touch the surface of the Easy Release Adhesive to avoid contamination of the Easy Release Adhesive and affecting the adhesion effect.
  • Page 56 Disassembly and Assembly If you are a professional authorized repairer, please refer to the following method: (1) Align the positioning hole of the Easy Release Adhesive with the positioning column of the Battery adhesive applicator. (2) Tear off the protective film, try to avoid touching the adhesive surface to prevent it from being contaminated and affecting the assembly effect, then align and attach the batteries.
  • Page 57 Disassembly and Assembly (4) Then tear off the protective film on the back of the Easy Release Adhesive, align the phone to the correct position, then put the Battery in. (5) Connect the Battery to the Mainboard Assy. • During the entire battery installation process, please try not to touch the surface of the Easy Release Adhesive to avoid contamination of the Easy Release Adhesive and affecting the adhesion effect.
  • Page 58 Disassembly and Assembly 14. Assemble the Mainboard Cover Assy: (1) Connect the Mainboard Cover Assy cable to the Mainboard Assy. You can press the wiring harness interface with your fingers. If you can clearly feel a "click" sound, it means the interface is connected in place. (2) Snap the Mainboard Cover Assy onto the device, pressing gently to ensure each clip snaps into place.
  • Page 59 Disassembly and Assembly 15. Assemble the Battery Cover Module: If you are the customer, please refer to the following method: (1) Please first remove the Battery Cover Adhesive left on the Battery Cover Module. Using special alcohol can help you clean the Battery Cover Adhesive better. (2) Tear off the new Battery Cover Adhesive protective film, carefully align it with the Battery Cover.
  • Page 60 Disassembly and Assembly (3) Press to ensure that the Battery Cover Adhesive and Battery Cover fit accurately. (4) Tear off the protective film on the other side of the Battery Cover Adhesive, install the Battery Cover, and press to ensure a firm fit. Before attaching the new Battery Cover Adhesive, please clean the remaining Battery Cover Adhesive.
  • Page 61 Disassembly and Assembly If you are a professional authorized repairer, please refer to the following method: (1) Please first remove the Battery Cover Adhesive left on the Battery Cover Module. Using special alcohol can help you clean the Battery Cover Adhesive better. (2) Put the Battery Cover Adhesive into the Adhesive backing fixing tool, and align it with the positioning hole.
  • Page 62 Disassembly and Assembly (4) Put the Battery Cover Module into the Adhesive backing fixing tool, press gently to make the Battery Cover Adhesive and the Battery Cover Module fit together. (5) Tear off the protective film on the other side of the Battery Cover Adhesive, align the Battery Cover Module with the device, and press gently to install it in place.
  • Page 63 Disassembly and Assembly 17. Crimp Mobile Phone: If you are the customer, please press gently on a flat surface to ensure that the Battery Cover fits securely. If you are a professional authorized repairer, place the phone into the Battery cover assembly press device and press for 60 seconds using the Crimping tool.
  • Page 64 Disassembly and Assembly 18. Air Tightness Test: If you are the customer and your phone has dust and water resistance function, please contact a professional authorized repairer, otherwise the dust and water resistance function may become ineffective. If you are a professional authorized repairer, please refer to the following method: (1) Seal the other holes with tape as shown in the figure, leaving only the airtightness test hole.
  • Page 65 Disassembly and Assembly 19. Test Phone Functions: (1) Check whether the phone can be turned on normally. (2) Test whether the phone's Wi-Fi, Bluetooth, sound, camera and other functions can be used normally. — 65 —...
  • Page 66 To ensure proper assembly, it is recommended to calibrate and inspect the device after assembly. If any fault occurs during repair/assembly, calibration and inspection can help locate and identify the problem quickly. Please go to a Xiaomi Authorized Service Center for further assistance. Any fault caused by repair may incur additional repair costs.
  • Page 67 This manual is owned by Beijing Xiaomi Technology Co., Ltd. Any unauthorized use of this guide may be punished according to applicable international/domestic laws. — 67 —...

This manual is also suitable for:

O1