Nokia Lumia 900 User manual

Check the repair
policy before
performing any
mechanical repair
on Service Level
1&2!
Service Manual for L1 and L2
Nokia Lumia 900
RM-808, RM-823
Key features
zWindows Phone Mango Commercial Release 2 OS
zLarge 4.3" AMOLED ClearBlack screen
zFirst Nokia smartphone with 4G LTE (RM-808)
zHeadturning design and high capacity battery
Version 3.0
Exploded view Disassembly steps (RM-808) Disassembly steps (RM-823)
Disassembly video (RM-808) Disassembly video (RM-823) Assembly hints
Service devices Solder components Product controls and interfaces
Service concept Phone reset
©2012 Nokia | Nokia Internal Use Only | All Rights Reserved.
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Service Manual Level 1 and 2
Nokia Lumia 900
RM-808, RM-823
Version 3.0
Exploded view
DISPLAY WINDOW
I0004
LOCK PIN LABEL
I0002
CHASSIS
I0009
SIM TRAY
I0001
USB SEALING PLUG
I0012
TYPE LABEL
I0027
USB BOOT
I0011
EARPIECE HOLDER ADHESIVE
I0016
LOCK PIN
I0003
PM8028 SHIELDING LID
I0019
MSM DECOUPLER
SHIELDING LID
I0018
PM8085 SHIELDING LID
I0021
CAMERA DCDC
SHIELDING LID
I0026
CAMERA BOOT
I0030
BATTERY ADHESIVE
I0035
LIGHT SWAP PWB
I0017
WATER INGRESS LABEL
I0050
DISPLAY
I0005
TOP BATTERY ADHESIVE
I0008
BP-6EW BATTERY
I0031
PRIMARY MIC BOOT
I0013
RF PA SHIELDING LID
I0020
WATER INGRESS LABEL
I0050
EARPIECE
I0014
GSM PA SHIELDING LID
I0025
RF QTR SHIELDING LID
I0024
CAMERA
I0028
CAMERA GASKET
I0029
MDM SHIELDING LID
I0023
APQ SHIELDING LID
I0022
DIPRO CAMERA FLEX
I0010
EARPIECE/USB HOLDER
I0015
IHF LID
I0033
IHF SPEAKER
I0034
IHF LID SEAL PLUG
I0032
SCREW TORX+ SIZE 4
M1.4 X 3.8
I0006
SCREW CAMERA CROSS
M1.4 x 2.8
I0007
EARPIECE/USB HOLDER ASSEMBLY
(I0014 - I0015)
3
BODY ASSEMBLY
(I0032 - I0035)
5
DISPLAY ASSEMBLY
(I0004 - I0005)
1
LIGHT SWAP PACKAGE
(I0017 - I0027, I0050) 4
CHASSIS ASSEMBLY
(I0008 - I0009) 2
Only available
as assembly
Not reuseable
after removal
Repair/swap
only in level 3
©2012 Nokia | Nokia Internal Use Only | All Rights Reserved.

Service Manual Level 1 and 2
Nokia Lumia 900
RM-808, RM-823
Version 3.0
Disassembly steps (RM-808)
For disassembling you need the Nokia Standard Toolkit version 2. You will also need the SIM door key, the
camera removal tool SS-210, the unibody opening tool SS-282 and the SS-195A.
Protect the DISPLAY WINDOW with protective film.

Open the SIM TRAY by inserting the SIM door key to the hole in the release door.
Pull out and remove the SIM TRAY.

Remove the LOCK PIN LABEL with tweezers. Do not use it again. Discard it.
Withdraw the LOCK PIN with the shown tweezers. Be careful not to damage the LOCK PIN or the BODY
ASSEMBLY.

Insert the unibody opening tool SS-282 to the LOCK PIN hole and lever up the top right corner of the
DISPLAY ASSEMBLY. Be careful not to damage the BODY ASSEMBLY or the DISPLAY ASSEMBLY.
Release the right side of the DISPLAY ASSEMBLY by opening the two shown clips with the SRT-6.

Lift up the right side of the DISPLAY ASSEMBLY.
To get access to all of the screws, place the SS-93 under the left side of the device.

Then lift the left side of the DISPLAY ASSEMBLY over the left edge of the BODY ASSEMBLY.
Flip open the DISPLAY ASSEMBLY. Be careful not to damage the UI FLEX or the DISPLAY FLEX.

Unscrew the seven TORX+ size 4 screws in the order shown. Do not use them again. Discard them.
Unscrew the three camera cross screws with a camera cross screwdriver in the order shown. Do not use
them again. Discard them.

Remove the USB SEALING PLUG with tweezers.
Release the left side of the CHASSIS from the two shown places with the SS-93.

Note that the BATTERY is still connected so be careful not to cause a short circuit.
Be careful not to damage the flexes while releasing the CHASSIS.

Note that the CHASSIS is attached to the BATTERY with an adhesive. Use the SS-195A to separate the
CHASSIS from the BATTERY as shown.
Remove the CHASSIS.

Open the BATTERY connector with the SRT-6. Note that it is important to disconnect the BATTERY at
this stage to avoid a short circuit. Be careful not to damage the connector or any components nearby.
Open the U I connector and the DISPLAY connector with the SRT-6. Be careful not to damage the
connectors or any components nearby.

Remove the DISPLAY ASSEMBLY.
The SS-93 can now be removed.

Open the side key connector with the SRT-6. Be careful not to damage the connector or any
components nearby.
Release the BATTERY with the SS-93.

Remove the BATTERY.
Remove the PRIMARY MICROPHONE BOOT with tweezers.

Release the two shown clips holding the ENGINE BOARD with the sharp end of the SS-93. Be careful not
to damage any components nearby.
Lift up the ENGINE BOARD from the bottom end first. Then pull the ENGINE BOARD to the direction
shown.

The ENGINE BOARD can now be removed.
Remove the USB BOOT with tweezers.

Remove the CAMERA BOOT with tweezers.
Remove the IHF LID SEAL PLUG with tweezers.

Remove the TOP BATTERY ADHESIVE from the CHASSIS with tweezers or peel it off with the SS-93. Note
that the TOP BATTERY ADHESIVE may differ from the one used in this picture. Do not use the TOP
BATTERY ADHESIVE again. Discard it.
Remove the BATTERY ADHESIVE from the BATTERY with tweezers. Do not use it again. Discard it.