Nokia Asha 308, 309, 310, 3100 RM 838, 852, 843, 844, 911 Service Manual Level 1&2. Www.s Manuals.com. 308 309 1,2 V2.0

User Manual: Smartphone Nokia Asha 310 RM-911 - Service manuals and Schematics, Disassembly / Assembly. Free.

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Service Manual for L1 and L2

Nokia Asha 308 (RM-838 / RM-852) Dual-SIM
Nokia Asha 309 (RM-843 / RM-844) Single-SIM
Nokia Asha 310 (In China, Nokia Asha 3100)
(RM-911) Dual-SIM Wi-Fi
Key features
S40 operating system with Full Touch UI
Dual SIM (Nokia Asha 308, Nokia Asha 310, Nokia 3100)
Wi-Fi (Nokia Asha 309, Nokia Asha 310, Nokia 3100)
Capacitive touch screen
EA Games Gift (40 free games)

Check the repair
policy before
performing any
mechanical repair
on Service Level
1&2!

Version 2.0

Exploded view

Disassembly steps

More

Service devices

Assembly hints

More

Product controls and interfaces

More

More

Solder components

More
©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

More

Service concept

More

Service Manual Level 1 and 2

Version history

Nokia Asha 308, Nokia Asha 309,
Nokia Asha 310, Nokia Asha 3100
RM-838, RM-852 / RM-843, RM-844 / RM-911
Version 2.0

Version

Date

Description

1.0

25.09.2012

First published version

2.0

18.02.2013

Added Nokia Asha 310/3100 (RM-911) Dual-SIM Wi-Fi information,
Updated Solder components page

©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Asha 308, Nokia Asha 309,
Nokia Asha 310, Nokia Asha 3100

Exploded view

RM-838, RM-852 / RM-843, RM-844 / RM-911
Version 2.0

1

A-COVER ASSEMBLY
(I0001 - I0003)

TOUCH PANEL
I0002

A-COVER
I0001

EARPIECE
I0003

DISPLAY
I0004

UI FRAME
I0005

LIGHT SWAP PACKAGE

(I0006 - I0010)

2

DOMESHEET
I0006

LIGHT SWAP PWB
I0007

FEM SHIELDING LID
I0009
BB SHIELDING LID
I0008

3

CAMERA
I0011

D-COVER ASSEMBLY
(I0012 - I0018)

4

ANTENNA MODULE ASSEMBLY

(I0012, I0013)

IHF SPEAKER
I0012
AV JACK
I0014

ANTENNA MODULE
I0013

DC JACK
I0015

D-COVER
I0018
MICRO SD CARD DOOR
I0017

SIM DOOR
I0016

TYPE LABEL
I0010

SCREW TORX+ SIZE 4
M1.4 x 4.5
I0020

SCREW TORX+ SIZE 5
M1.4 X 2.7
I0019

B-COVER
I0021

v1.0

Only available
as assembly

©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Not reuseable
after removal

Repair/swap
only in level 3

Service Manual Level 1 and 2

Nokia Asha 308, Nokia Asha 309,
Nokia Asha 310, Nokia Asha 3100

Disassembly steps

RM-838, RM-852 / RM-843, RM-844 / RM-911
Version 2.0

For disassembling you need the Nokia Standard toolkit version 2. You will also need a DC plug, an AV plug
and the camera removal tool SS-276.
Note that the disassembly instructions are made with the Dual SIM variant (Nokia Asha 308, RM-838 and
RM-852).

Protect the TOUCH WINDOW with protective film.

Use the opening notch to release the BATTERY COVER.

Remove the BATTERY COVER.

Unscrew the four Torx+ size 4 screws in the order shown. Do not use them again. Discard them.

Unscrew the four Torx+ size 5 screws in the order shown. Do not use them again. Discard them.

To detach the A-COVER, first release the left side of the bottom end of the A-COVER with the SRT-6.

Continue to release the A-COVER with the SRT-6 on the SIM and SD CARD DOOR side. Be careful not to
damage the SIM or SD CARD DOOR while releasing the A-COVER.

Release the right side of the bottom end of the A-COVER with the SRT-6.

Release also the LOCK KEY side with the SRT-6. Be careful not to damage the LOCK or VOLUME KEYS
while releasing the A-COVER.

To remove the A-COVER, first lift up the bottom end and then release the top end.

Remove the A-COVER.

Protect the DISPLAY with protective film.

Protect the inner side of the TOUCH WINDOW with protective film.

Use the dental tool to release the EARPIECE. Remove the EARPIECE with tweezers. Do not use it again.
Discard it. Be careful not to injure yourself with the sharp end of the dental tool.

Disconnect the DISPLAY CONNECTOR with the SS-93. Be careful not to damage the connector or any
components nearby.

Remove the UI FRAME including the DISPLAY.

Detach the DISPLAY from the UI FRAME with the dental tool. Be careful not to damage the DISPLAY or
the UI FRAME.

Separate the DISPLAY and the UI FRAME.

Use the SS-93 to release the clip holding the ENGINE BOARD on the bottom end of the D-COVER.

Use the SS-93 to release the clip holding the ENGINE BOARD near the VOLUME KEY.

Use the SS-93 to release the clip holding the ENGINE BOARD on the left side of the D-COVER.

To detach the ENGINE BOARD first lift up the bottom end and then pull to the direction shown.

Remove the ENGINE BOARD.

Release one corner of the DOMESHEET with the dental tool and then peel it off with fingers. Be careful
not to damage any components nearby. Do not use the DOMESHEET again. Discard it.

Place the camera removal tool SS-276 on top of the CAMERA and hold down the button on top of the
SS-276.

Lift up the SS-276 and remove the CAMERA.

Use an AV plug to lever out the AV JACK. Remove the AV JACK with tweezers.

Use a DC plug to lever out the DC JACK. Remove the DC JACK with tweezers.

Release the clip holding the ANTENNA with the sharp end of the SS-93.

Remove the ANTENNA.

Use the SS-93 to detach the IHF SPEAKER. Remove the IHF SPEAKER tweezers.

The Nokia Asha 308 and 309 disassembly procedure is complete.
-END OF DISASSEMBLY-

©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Asha 308, Nokia Asha 309,
Nokia Asha 310, Nokia Asha 3100

Assembly hints

RM-838, RM-852 / RM-843, RM-844 / RM-911
Version 2.0

Tighten the four Torx+ size 5 screws to the torque of 14 Ncm in the order shown.

Tighten the four Torx+ size 4 screws to the torque of 16 Ncm in the order shown.

©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Service devices

Nokia Asha 308, Nokia Asha 309,
Nokia Asha 310, Nokia Asha 3100
RM-838, RM-852 / RM-843, RM-844 / RM-911
Version 2.0

CA-101 Service cable

AC-16 Travel charger

Nokia Standard Toolkit (v2)
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.

SS-276 Camera removal tool

Service Manual Level 1 and 2

Nokia Asha 308, Nokia Asha 309,
Nokia Asha 310, Nokia Asha 3100

Product controls and interfaces

RM-838, RM-852 / RM-843, RM-844 / RM-911
Version 2.0

3

1
2

1 — Charger connector
2 — Micro USB connector

4

3 — Nokia AV 3.5 mm connector
4 — Earpiece
5 — Touch screen
6 — Call key

5

7 — End/Power key
8 — Microphone
9 — Camera lens
10 — Volume keys
11 — Lock key

6

7
8

12 — SIM card slot (SIM 2)
(Only in dual SIM variant)
13 — Memory card slot
14 — Strap holder
15 — Loudspeaker

9

12

10

11
11
14

15

Ver. 1.0

©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Nokia Asha 308, Nokia Asha 309,
Nokia Asha 310, Nokia Asha 3100

Service concept

RM-838, RM-852 / RM-843, RM-844 / RM-911
Version 2.0

Flashing concept
Service
software

CA-101

FLS-5

Care Dummy
Battery with power
supply via Nokia
charger or product
specific battery

Transceiver

©2013 Nokia | Nokia Internal Use only | All Rights Reserved.

Service Manual Level 1 and 2

Solder components

Nokia Asha 308, Nokia Asha 309,
Nokia Asha 310, Nokia Asha 3100
RM-838, RM-852 / RM-843, RM-844 / RM-911
Version 2.0

Grounding
spring

X7451

X7450
Grounding
spring

BOTTOM
BT Antenna
grounding spring

Charger
fuse

Antenna
grounding spring

J7403

F2200

J7401

v2.0

F3300

S1000

S1001

C2250

S1002

J7402

J7400

USB
fuse

Volume key
switch

Volume key
switch

Back-up
capacitor

Lock key
switch

Antenna
grounding spring

Antenna
spring

©2013 Nokia | Nokia Internal Use Only | All Rights Reserved.

www.s-manuals.com



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Title                           : Nokia Asha 308, 309, 310, 3100 RM-838, RM-852, RM-843, RM-844, RM-911 - Service Manual Level 1&2. www.s-manuals.com.
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