Nokia 301 User manual

Check the repair
policy before
performing any
mechanical repair
on Service Level
1&2!
Service Manual for L1 and L2
Nokia 301
RM-840, RM-841
Nokia 301 Dual SIM
RM-839
Key features
z
2.4 " LCD display (320 x 240 pixels)
z
3.2 Mpix camera
z
Dual SIM functionality (RM-839)
z
GSM/WCDMA
z
MicroSD card support up to 32 GB
Version 1.0
Exploded view Disassembly steps Assembly hints
Solder components Service devices Product controls and interfaces
Service concept
©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
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Service Manual Level 1 and 2
Nokia 301, 301 Dual SIM
RM-840, RM-841, RM-839
Version 1.0
Exploded view
A-COVER
I0001
EARPIECE ADHESIVE
I0008
DISPLAY
I0003
EARPIECE
I0007
LIGHT SWAP PWB
I0009
CAMERA
I0015
D-COVER
I0016
KEYMAT
I0002
SCREW TORX+ SIZE 4
M1.4 x 4.5
I0004
UI FLEX
I0005
IHF SPEAKER
I0017
UI SHIELDING
I0006
BB SHIELDING LID
I0011
SPEAKER GASKET
I0018
TYPE LABEL
I0014
ANTENNA MODULE
I0019
BATTERY COVER
I0021
RF SHIELDING LID
I0012
BT SHIELDING LID
I0013
ASIP SHIELDING LID
I0010
SCREW TORX+ SIZE 4
M1.4 x 4.5
I0020
UI SHIELDING ASSEMBLY
(I0006 - I0008)
2
LIGHT SWAP PACKAGE
(I0009 - I0014)
3
D-COVER ASSEMBLY
(I0016 - I0018)
4
Nokia 301 Dual SIM
RM-839
v1.0 Only available
as assembly
Not reuseable
after removal
Repair/swap
only in level 3

A-COVER
I0001
EARPIECE ADHESIVE
I0008
DISPLAY
I0003
EARPIECE
I0007
LIGHT SWAP PWB
I0009
CAMERA
I0015
D-COVER
I0016
KEYMAT
I0002
SCREW TORX+ SIZE 4
M1.4 x 4.5
I0004
UI FLEX
I0005
IHF SPEAKER
I0017
UI SHIELDING
I0006
BB SHIELDING LID
I0011
SPEAKER GASKET
I0018
TYPE LABEL
I0014
ANTENNA MODULE
I0019
BATTERY COVER
I0021
RF SHIELDING LID
I0012
BT SHIELDING LID
I0013
ASIP SHIELDING LID
I0010
SCREW TORX+ SIZE 4
M1.4 x 4.5
I0020
UI SHIELDING ASSEMBLY
(I0006 - I0008)
2
LIGHT SWAP PACKAGE
(I0009 - I0014)
3
D-COVER ASSEMBLY
(I0016 - I0018)
4
Nokia 301
RM-840, RM-841
v1.0 Only available
as assembly
Not reuseable
after removal
Repair/swap
only in level 3
©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2
Nokia 301, 301 Dual SIM
RM-840, RM-841, RM-839
Version 1.0
Disassembly steps
1) For disassembling you need the Nokia Standard toolkit version 2. You will also need the camera
removal tool SS-276.
Note that the device used in this disassembly procedure is the single SIM variant, RM-840/RM-841. All
the disassembly steps are the same for both single and dual SIM variants.
2) Protect the A-COVER with protective film.

3) Release the BATTERY COVER by lifting up from the release notch.
4) Remove the BATTERY COVER.

5) Unscrew the four Torx+ size 4 screws in the order shown. Do not use them again. Discard them.
6) To remove the D-COVER, first release the shown clip on the bottom side with the SRT-6.

7) Then release the clips from the left side, starting from the bottom.
8) Then release the clips from the right side, starting from the bottom.

9) Release also the two clips from the top.
10) Lift up and remove the D-COVER including the ENGINE BOARD and UI SHIELDING.

11) Protect the other side of the A-COVER with protective film.
12) Push out the KEYMAT from the A-COVER.

13) Protect the DISPLAY with protective film.
14) Unscrew the two Torx+ size 4 screws in the order shown. Do not use them again. Discard them.

15) Separate the ENGINE BOARD and the UI SHIELDING from the D-COVER by first releasing the bottom
corners with the SRT-6.
16) Lift up to remove the ENGINE BOARD including the UI SHIELDING from the D-COVER.

17) Open the DISPLAY connector with the SS-93. Be careful not to damage the connector or any
components nearby.
18) Open the UI FLEX connector with the SS-93. Be careful not to damage the connector or any
components nearby.

19) Use the SS-93 to release the two clips holding the UI SHIELDING on the ENGINE BOARD.
20) Separate the UI SHIELDING including the DISPLAY from the ENGINE BOARD.

21) Use the dental tool to carefully release the DISPLAY from the UI SHIELDING. Be careful not to injure
yourself with the sharp end of the dental tool. Release the DISPLAY little by little to avoid breaking it.
22) Remove the DISPLAY.

23) Peel off the UI FLEX with tweezers. Do not use it again. Discard it.
24) Release the EARPIECE with the SS-93 and remove it with tweezers. Do not use the EARPIECE again.
Discard it.

25) Peel off and discard any EARPIECE ADHESIVE remains from the UI SHIELDING.
26) Insert the camera removal tool SS-276 to the CAMERA socket and press and hold down the button
on top of the SS-276.

27) Pull up to remove the CAMERA.
28) Release the IHF SPEAKER with the dental tool and remove it with tweezers. Do not use it again.
Discard it.

29) Release the SPEAKER GASKET with the dental tool and remove it with tweezers. Do not use it again.
Discard it.
30) Push down to remove the ANTENNA MODULE from the D-COVER.

31) The Nokia 301 disassembly procedure is complete.
-END OF DISASSEMBLY-
©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2
Nokia 301, 301 Dual SIM
RM-840, RM-841, RM-839
Version 1.0
Assembly hints
1) When assembling the UI FLEX, first remove the adhesive foil and place the UI FLEX on the UI
SHIELDING. Use the shown guiding holes to get the right alignment.
2) Press the UI FLEX for five seconds to activate the adhesive.