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Nokia Lumia 925 Service Manual
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Nokia Lumia 925 Service Manual

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Download this manual See also: User Manual
Service Manual for L1 and L2
Nokia Lumia 925
RM-892, RM-893, RM-910
Key features
8.7 Mpix PureView camera with OIS
Built-in wireless charging support
4.5" AMOLED WXGA display
New Lumia design with an anodized aluminum chassis
Version 2.0
Exploded view
Assembly steps
Service devices
Phone reset
Disassembly steps
More
Assembly video
More
Product controls and interfaces
More
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©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
Check the repair
policy before
performing any
mechanical repair
on Service Level
1&2!
Disassembly video
More
Solder components
More
Service concept
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Summary of Contents for Nokia Lumia 925

  • Page 1 Disassembly steps Disassembly video More More More Assembly steps Assembly video Solder components More More More Service devices Product controls and interfaces Service concept More More More Phone reset More ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 2: Exploded View

    SIZE 4 RF1.2 x 4.0 I0026 I0027 BACK COVER ASSEMBLY (I0005, I0006) BACK COVER I0005 LED FLASH I0006 Only available Not reuseable Repair/swap as assembly after removal only in level 3 ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 3: Disassembly Steps

    RM-892, RM-893, RM-910 Version 2.0 1) For disassembling you need the Nokia Standard toolkit version 2. You will also need the SIM door key, the SS-311 Back cover release tool, an AV plug, SS-317 Battery removal tool, SS-318 Protective cover and the SS-298 RF connector disassembly/assembly tool.
  • Page 4 3) Release the SIM TRAY with the SIM door key and pull it out. 4) Release the shown corner of the BACK COVER with the SS-311 back cover release tool.
  • Page 5 5) Release the top end of the BACK COVER with the SS-93 by sliding it to the direction shown. When releasing the BACK COVER, hold the SS-93 as shown to avoid damaging any components underneath the BACK COVER. Be also careful not to damage the clips holding the BACK COVER! 6) Slide the SS-93 to the direction shown to release the left side of the BACK COVER.
  • Page 6 7) Slide the SS-93 to the direction shown to release the bottom end of the BACK COVER. Be careful not to damage the BACK COVER or any components underneath it! 8) Slide the SS-93 to the direction shown to release the right side of the BACK COVER. Be careful not to damage the BACK COVER or the ANTENNA COAX CABLE underneath it!
  • Page 7 9) When all sides of the BACK COVER are open, release the camera clip by pulling BACK COVER up while gently turning and pushing towards top end of the phone. Be careful not to damage the BACK COVER camera clip! 10) Remove the BACK COVER.
  • Page 8 11) Open the BATTERY connector with the SS-93. Always open the connectors carefully to avoid damaging them or any components nearby. 12) Unscrew the three Torx+ size 6 screws.
  • Page 9 13) Remove the CONNECTOR SUPPORT FRAME with tweezers. 14) Open the BOTTOM FLEX connector with the SS-93.
  • Page 10 15) Open the SIDE KEY connector. 16) Open the DISPLAY connector.
  • Page 11 17) Open the CONNECTOR FLEX. 18) Open the FRONT CAMERA connector.
  • Page 12 19) Note that there may be three FLEX PROTECTIVE TAPES attached to the device as shown. The tapes are not reusable so they need to be replaced during repair work. If the device does not have these tapes, they need to be placed there during assembly. One of the tapes is located between the BATTERY and the battery cavity so it can't be replaced before the BATTERY is removed.
  • Page 13 21) Lift up and remove the COAX MOUNT with tweezers. If the COAX MOUNT does not come out easily, lift it from the center and from the other end. Force should not be used when removing the COAX MOUNT. 22) Unscrew the two Torx+ size 4 screws.
  • Page 14 23) Remove the MIMO ANTENNA with tweezers. 24) Release the ENGINE BOARD by lifting it up from the shown place with the SS-93.
  • Page 15 25) Lift up and remove the ENGINE BOARD. Be careful not to damage any of the flexes. Use the SS-93 to guide the flexes away from the ENGINE BOARD. 26) Pull the WLAN/GPS ANTENNA to the direction shown and remove it.
  • Page 16 27) Open the CAMERA CONNECTOR from the shown side. 28) Remove the CAMERA.
  • Page 17 29) Remove and discard the PMIC THERMAL PAD. 30) Remove and discard the FLASH SUPPORT.
  • Page 18 31) Release the CONNECTOR LATCH from the shown place. 32) Remove the CONNECTOR LATCH. Be careful not to damage the flex when guiding it through the CONNECTOR LATCH.
  • Page 19 33) Remove the FRONT CAMERA. 34) Remove the CAMERA BOOT from the FRONT CAMERA.
  • Page 20 35) Remove the FRONT CAMERA SUPPORT. Do not use it again. Discard it. 36) To remove the CONNECTOR FLEX, first gently pull the secondary microphone and the micro USB connector away from the METAL DECO ASSEMBLY.
  • Page 21 37) Then lift up the CONNECTOR FLEX with an AV plug. 38) Remove the CONNECTOR FLEX. Do not use it again. Discard it.
  • Page 22 39) Unscrew the two Torx+ size 4 screws. 40) Release the SIDE KEY ASSEMBLY with the SS-93 from both ends. Be careful not to damage it.
  • Page 23 41) Remove the SIDE KEY ASSEMBLY. 42) Release the SPEAKER BOX from the shown place with the SS-93.
  • Page 24 43) Remove the SPEAKER BOX. 44) Remove the MAIN ANTENNA from the SPEAKER BOX with the SS-93 only if either one is damaged. Remove any adhesive remains from the MAIN ANTENNA and the SPEAKER BOX.
  • Page 25 45) Carefully disconnect the other end of the ANTENNA COAX CABLE. 46) Remove the ANTENNA COAX CABLE with tweezers. Make sure to grab the ANTENNA COAX CABLE only from the metal shields and not from the cable itself.
  • Page 26 47) Release the BOTTOM FLEX with the SS-93. Be careful no to damage it. 48) Remove the BOTTOM FLEX. Do not use it again. Discard it.
  • Page 27 49) Release the VIBRA HOLDER by inserting the SS-93 between the HOLDER and the VIBRA. 50) Remove the VIBRA HOLDER. If there is the VIBRA SUPPORT attached to the VIBRA HOLDER remove and discard it. Clean all the adhesive remains from the VIBRA HOLDER. Do NOT discard the VIBRA SUPPORT! Before doing any repair work check the latest technical bulletins in KICS for changes in the mechanical design of the VIBRA SUPPORT.
  • Page 28 51) Carefully release the VIBRA with the SS-93. 52) Remove the VIBRA. The VIBRA is not reusable. Discard it.
  • Page 29 53) Insert the DISPLAY ASSEMBLY to the SS-318 Protective cover bottom end first. 54) Push the SS-317 Battery removal tool in between the BATTERY and the METAL DECO. Slowly push the SS-317 until the BATTERY is released. Lift up and remove the BATTERY. Do not use it again. Discard...
  • Page 30 55) The Nokia Lumia 925 disassembly procedure is complete. -END OF DISASSEMBLY- ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 31: Assembly Steps

    Service Manual Level 1 and 2 Assembly steps Nokia Lumia 925 RM-892, RM-893, RM-910 Version 2.0 1) For assembling you need the Nokia Standard toolkit version 2. You will also need the SS-298 RF connector disassembly/assembly tool. 2) Remove the BATTERY CONNECTOR SUPPORT protective film.
  • Page 32 3) Attach the BATTERY CONNECTOR SUPPORT to the battery connector. Be careful not to damage the battery connector. 4) Before placing the BATTERY, place the FLEX PROTECTIVE TAPE to the shown place. After placing the VIBRA and the VIBRA HOLDER, attach the loose end of the FLEX PROTECTIVE TAPE on top of the VIBRA HOLDER.
  • Page 33 5) Remove the BATTERY protective film. Place the BATTERY to its cavity and press it to activate the adhesive. 6) Remove the VIBRA protective film.
  • Page 34 7) Align the VIBRA to its place by using the shown screw hole. Press the VIBRA gently to activate the adhesive. Be careful not to damage the VIBRA. 8) Place the VIBRA SUPPORT on top of the VIBRA.
  • Page 35 9) Place the VIBRA HOLDER shown side first. 10) Lock the other side of the VIBRA HOLDER with the SS-93.
  • Page 36 11) Remove the BOTTOM FLEX protective film. 12) Align the BOTTOM FLEX by using the two shown holes. Press the BOTTOM FLEX with the SS-93 to activate the adhesive. Be careful not to damage the small components on the BOTTOM FLEX.
  • Page 37 13) Lock the SS-298 tool to the ANTENNA COAX CABLE connector by first placing the tool on the cable and then sliding it towards the connector. 14) Connect the ANTENNA COAX CABLE connector. Be careful not to damage the connector.
  • Page 38 15) Push the ANTENNA COAX CABLE around the shown corner. 16) Push the MAIN ANTENNA to the SPEAKER BOX. Check that the shown three clips are attached.
  • Page 39 17) Place the SPEAKER BOX with the MAIN ANTENNA to the METAL DECO bottom end first. Then press it to its place. 18) Place the SIDE KEY ASSEMBLY.
  • Page 40 19) Fasten the two TORX+ size 4 screws in the order shown to the torque of 8 Ncm. 20) Remove the MICROPHONE protective film.
  • Page 41 21) Push the AV CONNECTOR to its place first. 22) Use the SS-93 to push the MICROPHONE and the USB CONNECTOR to their places.
  • Page 42 23) Check that the CONNECTOR ASSEMBLY is correctly aligned. 24) Remove the FRONT CAMERA SUPPORT protective film.
  • Page 43 25) Place the FRONT CAMERA SUPPORT. 26) Place the CAMERA BOOT to the FRONT CAMERA. Note the alignment of the CAMERA BOOT.
  • Page 44 27) Place the FRONT CAMERA as shown. 28) Push the CONNECTOR ASSEMBLY connector through the CONNECTOR LATCH. Push the CONNECTOR LATCH to its place with the SS-93. Be careful not to damage the CONNECTOR ASSEMBLY connector.
  • Page 45 29) Remove the FLASH SUPPORT protective film. Place the FLASH SUPPORT as shown. 30) Place the PMIC THERMAL PAD.
  • Page 46 31) Remove the CAMERA support protective film. Place the CAMERA support as shown. 32) Gently bend the CAMERA connector flex.
  • Page 47 33) Connect the CAMERA connector. Be careful not to damage the connector. 34) Bend the CAMERA connector flex as shown. Be careful not to damage the CAMERA connector flex.
  • Page 48 35) Place the WLAN/GPS ANTENNA to the ENGINE BOARD as shown. 36) Place the ENGINE BOARD to the METAL DECO bottom end first. Guide the connectors away with the SS-93. Be careful not to damage or leave any connectors underneath the ENGINE BOARD.
  • Page 49 37) Press the ENGINE BOARD gently until it snaps to its place. 38) Place the MIMO ANTENNA.
  • Page 50 39) Fasten the two TORX+ size 4 screws in the order shown to the torque of 8 Ncm. 40) Lock the SS-298 tool to the ANTENNA COAX CABLE connector and connect it. Be careful not the damage the connector.
  • Page 51 41) Place the COAX MOUNT to its place. Push from the three shown places with the SS-93 to lock it to its place. Before doing any repair work check the latest technical bulletins in KICS for additional information on the COAX MOUNT.
  • Page 52 43) Connect the FRONT CAMERA connector with the SS-93. When connecting connectors, be careful not damage them or any components nearby. 44) Connect the CONNECTOR ASSEMBLY connector with the SS-93.
  • Page 53 45) Connect the DISPLAY connector with the SS-93. 46) Connect the SIDE KEY ASSEMBLY connector with the SS-93.
  • Page 54 47) Connect the BOTTOM FLEX connector with the SS-93. 48) Place the CONNECTOR SUPPORT FRAME.
  • Page 55 49) Fasten the three TORX+ size 6 screws in the order shown to the torque of 15 Ncm. 50) Connect the BATTERY connector. Make sure to connect the BATTERY connector last to avoid short circuit. Be careful not to damage the connector or any components nearby.
  • Page 56 51) Remove the camera opening protective film. 52) Place the BACK COVER and press from the shown places to attach the right side of the back cover first.
  • Page 57 53) Attach the bottom end of the BACK COVER by pressing from the shown places. 54) Then attach the left side of the BACK COVER by pressing from the shown places.
  • Page 58 55) Attach the top end of the BOTTOM COVER. You might need to push the BACK COVER slighty towards bottom end of the phone and then press the BACK COVER to its place. 56) Remove the BACK COVER protective film.
  • Page 59 57) Push in the SIM TRAY. 58) Remove the DISPLAY protective film.
  • Page 60 59) The Nokia Lumia 925 assembly procedure is complete. -END OF ASSEMBLY- ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 61: Solder Components

    NFC ant X6500 spring NFC ant X6501 spring Camera LED X1470 + spring Camera LED X1471 F1351 GND spring X3301 connector Display F1351 F1351 backlight fuse UI keys F1350 backlight fuse X3300 connector ©2013 Nokia | Confidential | All Rights Reserved.

  • Page 62: Service Devices

    For more information, refer to the Service Bulletin (SB-011) on Nokia Online. Supplier or manufacturer contacts for tool re-order can be found in “Recommended service equipment” document on Nokia Online. ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
  • Page 63 17 — WLC cover contacts 18 — Camera key 19 — Loudspeaker 20 — MIMO antenna 21 — WLAN/GPS antenna 22 — NFC area 23 — Main antenna v1.0 ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
  • Page 64 Service Manual Level 1 and 2 Service concept Nokia Lumia 925 RM-892, RM-893, RM-910 Version 2.0 Flashing concept Service software CA-101 Note: Charged battery is man- datory Transceiver with embedded battery ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 65: Phone Reset

    Service Manual Level 1 and 2 Phone reset Nokia Lumia 925 RM-892, RM-893, RM-910 Version 2.0 Hardware reset If the phone hardware is jammed, you should first recommend that the consumer performs a hardware reset. The hardware reset does not reset the Windows Live ID or remove any consumer data.
  • Page 66 Step 2 Input the following key combination: 1. Volume up 2. Volume down 3. Power 4. Volume down Step 3 The phone will reset and boot up automatically ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

  • Page 67: Version History

    Service Manual Level 1 and 2 Version history Nokia Lumia 925 RM-892, RM-893, RM-910 Version 2.0 Version Date Description 23.05.2013 First published version 19.07.2013 Updated exploded view, solder components, disassembly, assembly and service devices. ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.