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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)
Version 2.0
Exploded view
Service devices
Solder components
Disassembly steps
More
Product controls and interfaces
More
More
©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
Check the repair
policy before
performing any
mechanical repair
on Service Level
1&2!
Assembly hints
More
Service concept
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Table of Contents
Related Manuals for Nokia Asha 308 RM-838
Summary of Contents for Nokia Asha 308 RM-838
- Page 1 EA Games Gift (40 free games) Version 2.0 Exploded view Disassembly steps Assembly hints More More More Service devices Product controls and interfaces Service concept More More More Solder components More ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
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Page 2: Version History
RM-838, RM-852 / RM-843, RM-844 / RM-911 Version 2.0 Version Date Description 25.09.2012 First published version 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. -
Page 3: Exploded View
SCREW TORX+ SIZE 4 M1.4 x 4.5 SCREW TORX+ SIZE 5 I0020 M1.4 X 2.7 I0019 B-COVER I0021 Only available Not reuseable Repair/swap v1.0 as assembly after removal only in level 3 ©2013 Nokia | Nokia Internal Use only | All Rights Reserved. -
Page 4: 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). - Page 5 Use the opening notch to release the BATTERY COVER. Remove the BATTERY COVER.
- Page 6 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.
- Page 7 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.
- Page 8 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.
- Page 9 To remove the A-COVER, first lift up the bottom end and then release the top end. Remove the A-COVER.
- Page 10 Protect the DISPLAY with protective film. Protect the inner side of the TOUCH WINDOW with protective film.
- Page 11 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.
- Page 12 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.
- Page 13 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.
- Page 14 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.
- Page 15 To detach the ENGINE BOARD first lift up the bottom end and then pull to the direction shown. Remove the ENGINE BOARD.
- Page 16 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.
- Page 17 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.
- Page 18 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.
- Page 19 Remove the ANTENNA. Use the SS-93 to detach the IHF SPEAKER. Remove the IHF SPEAKER tweezers.
- Page 20 The Nokia Asha 308 and 309 disassembly procedure is complete. -END OF DISASSEMBLY- ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
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Page 21: Assembly Hints
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. -
Page 22: 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 23 11 — Lock key 12 — SIM card slot (SIM 2) (Only in dual SIM variant) 13 — Memory card slot 14 — Strap holder 15 — Loudspeaker Ver. 1.0 ©2013 Nokia | Nokia Internal Use only | All Rights Reserved.
- Page 24 RM-838, RM-852 / RM-843, RM-844 / RM-911 Version 2.0 Flashing concept Service CA-101 software 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.
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Page 25: Solder Components
J7403 F2200 J7401 F3300 S1000 S1001 C2250 S1002 J7402 J7400 Volume key Volume key Back-up Lock key Antenna Antenna fuse switch switch capacitor switch grounding spring spring v2.0 ©2013 Nokia | Nokia Internal Use Only | All Rights Reserved.