Nokia 5250 L1L2 Service Manual
Contents
1. Mm 11 1580 12 11 DISASSEMBLY INSTRUCTION 13 12 SR LON EA 23 13 SOLDER 0 30 Confidential Copyright 2010 NOKIA Allrights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 1 CHANGE HISTORY Status VersionNo Date Published 2382010 S O The purpose of this document is to help NOKIA service levels 1 and 2 workshop technicians to carry out service to NOKIA products This Service Manual is to be used only by authorized NOKIA service suppliers and the content of it is confidential Please note that NOKIA provides also other guidance documents e g Service Bulletins for service suppliers follow these regularly and comply with the given instructions While every endeavor has been made to ensure the accuracy of this document some errors may exist If you find any errors or if you have further suggestions please notify NOKIA using the address below Nokia Care Academy Mail to service manuals nokia com Please keep in mind also that this documentation is continuously being updated and modified so watch always out for the newest version Confidential Copyright 2010 NOKIA Allrights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 2 COPYRIGHT Copyright 2010 Nokia All rights reserved2. REDI E 19 The A COVER ASSY is now complete 20 Remove the protective tape of the FPC PROXIMITY and fix it on LCM METAL FRAME as shown Note the two positioning pins on LCM METAL FRAME 21 The LCM METAL FRAME is now complete 22 Put the LCM into the LCM METAL FRAME and fix the four grounding snaps as shown Be careful not to bend the LCM during the assembly 23 Re ove the protective tape on LCM and then 24 Fix the top clip of LCM METAL FRAME into the remove the protective tape on A COVER ASSY as well A COVER ASSY as shown 26 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Academy E nb 1 x Lu 329 56 amp ES EI 4 Lx 3 43 1 1 25 Fix the remaining clips of LCM METAL FRAME into the A COVER ASSY as shown 2 a 27 Fix the LCM FPC PROXIMITY and A COVER ASSY connectors to PWB in order as shown Be careful not to damage the connectors and flex 29 Fix T remaining clips as shown 21 Confidential Copyright 2010 NOKIA All rights reserved Nokia 5250 RM 684 Service Manual Level 1 amp 2 26 The upper module assembly is now complete 28 Fix the top clip of A COVER ASSY to B COVER ASSY as shown 30 Fix the downside two snaps of KEYMAT into the A COVER ASSY as shown Version 2 0 Nokia 5250 RM 684 NOKIA Academy Service Manual Level 1 amp 2
3. 5 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 4 ESD PROTECTION Nokia requires that service points have sufficient ESD protection against static electricity when servicing the phone Any product of which the covers are removed must be handled with ESD protection The SIM card can be replaced without ESD protection if the product is otherwise ready for use To replace the covers ESD protection must be applied All electronic parts of the product are susceptible to ESD Resistors too can be damaged by static electricity discharge All ESD sensitive parts must be packed in metalized protective bags during shipping and handling outside any ESD Protected Area EPA Every repair action involving opening the product or handling the product components must be done under ESD protection ESD protected spare part packages MUST NOT be opened closed out of an ESD Protected Area For more information and local requirements about ESD protection and ESD Protected Area contact your local Nokia After Market Services representative 6 Confidential Copyright 2010 NOKIA Allrights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 5 CARE AND MAINTENANCE This product is of superior design and craftsmanship and should be treated with care The suggestions below will help you to fulfill a
4. 31 Fix the upside two clips of KEYMAT into the A COVER 32 Tighten the four screws to the torque of 10 8 1 ASSY as shown Ncm in the order shown 33 Tighten the screw to the torque of 10 8 1 34 Tighten the two screws to the torque of 7 8 1 to fix the GROUNDING CLIP as shown Also assemble the in the order shown CAMERA LENS to B COVER ASSY 44 LX 35 Tighten the screw to the torque of 7 8 1 36 Fix the adhesive onto the B COVER ASSY as shown shown and remove the protective tape 28 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 e JA A 911441 37 Remove the protective tape on a new TOP DECO 38 Remove the protective tape on anew BOTTOM DECO and Fix it onto the A COVER ASSY in the direction as and Fix it onto the A COVER ASSY in the direction as shown shown i EREN A 4 p ju WS E nm 53 MU 39 Assemble the BATTERY COVER in the direction as 40 Insert the STYLUS in the direction as shown shown 41 The Nokia 5250 assembly is now complete 29 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 Nokia 5250 RM 684 NIOKIA Care Academy 13 SOLDER COMPONENTS Service Manual Level 1 amp 2 BOTTOM 2470 5040 V2304 V2303 V2302 X2503 X2502 X2501 X2500 X2450 XT 401 X6000 F2000 E 30
5. Reproduction transfer distribution or storage of part or all of the contents in this document in any form without the prior written permission of Nokia is prohibited Nokia Nokia Connecting People and Nokia X and Y are trademarks or registered trademarks of Nokia Corporation Other product and company names mentioned herein may be trademarks or trade names of their respective owners Nokia operates a policy of continuous development Nokia reserves the right to make changes and improvements to any of the products described in this document without prior notice Under no circumstances shall Nokia be responsible for any loss of data or income or any special incidental consequential or indirect damages howsoever caused The contents of this document are provided as is Except as required by applicable law no warranties of any kind either express or implied including but not limited to the implied warranties of merchantability and fitness for a particular purpose are made in relation to the accuracy reliability or contents of this document Nokia reserves the right to revise this document or withdraw it at any time without prior notice The availability of particular products may vary by region IMPORTANT This document is intended for use by qualified service personnel only 4 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 3 W
6. GROUNDING CLIP with tweezers as 56 Lever out the CAMERA LENS with the dental tool shown Discard the CAMERA LENS Be careful not to injure yourself 57 Release the snaps of IHF SPEAKER Side clips first 58 Use the camera removal tool SS 88 to lever out the and then bottom clips camera 59 Nokia 5250 disassembly is now complete 22 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 Nokia 5250 RM 684 NOKIA Academy Service Manual Level 1 amp 2 12 ASSEMBLY INSTRUCTION wc 1 Nokia 5250 assembly 2 You will need the Nokia Standard Toolkit version 2 as shown and camera removal tool SS 88 3 Lock the clips of IHF SPEAKER onto the PWB in order 4 Put the CAMERA into the camera socket as shown shown Note that the positioning pin of IHF SPEAKER Note that there are camera direction features on both should be fitted into the corresponding positioning CAMERA and camera socket to prevent mis alignment holes of PWB 5 PWB assembly is now complete During the 6 Take new USB CAP Let the rubber bar go through operations please be careful not to damage the the fixing hole of B COVER ASSY and pull it down as springs and side switches on PWB shown until its fixing feature go through the fixing hole on B COVER ASSY 23 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 7 C
7. NOKIA All rights reserved Version 2 0 Nokia 5250 RM 684 NOKIA Academy Service Manual Level 1 amp 2 25 Insert the flat head screwdriver into the 26 Insert the flat head screwdriver into the position as between A COVER ASSY and B COVER ASSY as shown shown and then turn it to release the clip between and then rotate the screwdriver to release the clip A COVER ASSY and B COVER ASSY near it between them as the arrow shown 2T Insert the flat head screwdriver into the position as 28 Insert the flat head screwdriver into the position as shown and then turn it to release the clip between shown and then turn it to release the clip between A COVER ASSY and B COVER ASSY near it A COVER ASSY and B COVER ASSY near it gt 41117 eh LA P e ed 1147 ere in set NOR LITT 4 T p 4 nes hts Mr a tea an ine Pr UC 447 i E fy li 4 FEES WP 4 Ye Pip IM n TL a 4 m 41163 feit 815134 14 r Cn s nn Fry 131 1 j 1 2 4 rp i 29 Lift up the bottom of the A COVER ASSY Be careful 30 Open the FPC PROXIMITY connector with the SS 93 not to break the flex of LCM A COVER ASSY and FPC as shown if it still connects Be careful not to damage PROXIMITY the connector or any nearby components and flex 17 Confidential Copyright 2
8. 010 NOKIA All rights reserved Version 2 0 NOKIA Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 a 1 31 Open the A COVER ASSY connector with the 55 93 as 32 Open the LCM connector with the 55 93 as shown shown if it still connects Be careful not to damage the careful not to damage the connector or any nearby connector or any nearby components and flex components and flex 33 The upper and lower modules can now be 34 Release the clip between LCM METAL FRAME and separated A COVER ASSY by inserting the flat head screwdriver into the gap near it Be careful not to damage the structure of the housings 35 Continue to release the remaining clips by inserting 36 Lift up the bottom side of the LCM METAL FRAME and the flat head screwdriver into the gaps as shown remove itto the direction shown above above Be careful not to damage the structure of the housings 18 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Nokia 5250 RM 684 Academy m m Service Manual Level 1 amp 2 37 Protect the inner side of the lens of A COVER ASSY 38 Protect the LCM with a protective tape with a protective tape E M OW ME 07 39 The A COVER ASSY can now be separated 40 Lever out the LCM with 55 93 as shown Be careful not to bend the LCM 41 The LCM and LCM METAL FRAME can now be 42 Lever out the FPC PROXIMITY with the dental tool s
9. 6 L 7 1030 100 29 Battery Cover 5 These parts cannot be available as Ver 1 0 reuse after removal assembly 9 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 8 LEVEL 2 SOLDER COMPONENTS list ITEM CIRCUIT ow CODE SPARE PART DESCRIPTION LEVEL REF v2303_ 1 8002000 0 2 2304 1 80022906 LED GREEN 40 85 1 650 804 19 217 GHC 15 __ 2470_ 1 8002207 50 2006 X5040 1 8002900 CONN_BTB_Socket_10PIN_4 7 3 6 1 45mm 2 Xe502 1 8002299 CONN Slide Switch 4PIN 132764 45mm 2 __ 2450 1 5469334 Socket 10 42 46 09mm 2 opring Antenna 3 7 1 5 2 6 CLN 2 Spring_BT_3 1 5 1 45 X2500 2 2 X2501 X2503 CONN Switch Sidekey 5PIN 2 9 3 5 1 35mm F2000 5119045 SM FUSE FF 2A 32V 0402 2 10 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 Academy 9 SERVICE DEVICES CA 101 Data Service Cable Service Cable to connect the PC with the Micro USB connector Travel Charger AC 3E Small and lightweight charger for fast charging of your phone battery NOKIA Care SS 88 Camera removal tool This tool is used for unload the camera module from socket Internal Battery BL AD Inserted under the back cover this Li Ion battery provides p
10. ARNINGS AND CAUTIONS Please refer to the phone s user guide for instructions relating to operation care and maintenance including important safety information Note also the following 3 1 Warnings 1 CARE MUST BE TAKEN ON INSTALLATION IN VEHICLES FITTED WITH ELECTRONIC ENGINE MANAGEMENT SYSTEMS AND ANTI SKID BRAKING SYSTEMS UNDER CERTAIN FAULT CONDITIONS EMITTED RF ENERGY CAN AFFECT THEIR OPERATION IF NECESSARY CONSULT THE VEHICLE DEALER MANUFACTURER TO DETERMINE THE IMMUNITY OF VEHICLE ELECTRONIC SYSTEMS TO RF ENERGY 2 THEHANDPORTABLE TELEPHONE MUST NOT BE OPERATED IN AREAS LIKELY TO CONTAIN POTENTIALLY EXPLOSIVE ATMOSPHERES EG PETROL STATIONS SERVICE STATIONS BLASTING AREAS ETC 3 OPERATION OF ANY RADIO TRANSMITTING EQUIPMENT INCLUDING CELLULAR TELEPHONES MAY INTERFERE WITH THE FUNCTIONALITY OF INADEQUATELY PROTECTED MEDICAL DEVICES CONSULT A PHYSICIAN OR THE MANUFACTURER OF THE MEDICAL DEVICE IF YOU HAVE ANY QUESTIONS OTHER ELECTRONIC EQUIPMENT MAY ALSO BE SUBJECT TO INTERFERENCE 3 2 Cautions 1 Servicing and alignment must be undertaken by qualified personnel only 2 Ensure all work is carried out at an anti static workstation and that an anti static wrist strap is worn 3 Use only approved components as specified in the parts list 4 Ensure all components modules screws and insulators are correctly re fitted after servicing and alignment 5 A Ensure all cables and wires are repositioned correctly
11. Confidential Copyright 2010 NOKIA All rights reserved Version 2 0
12. NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 SERVICE MANUAL Level 1 amp 2 NOKIA moO Transceiver characteristics Band Quad band GSM 850 900 1800 1900 Display LCM 16 7M color support resolution is 640 x 360 Camera Camera 2 0 megapixel 10x digital Zoom Operating System Symbian V5 Connections Wireless Bluetooth Connector Wired Micro USB Memory Internal Memory total 150MB 59 5MB for end user External Memory Micro SD up to 16GB Talk time Standby Up to 7 hours Up to 420 hours Note Talk times are dependant on network parameter settings Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 Table of Contents 1 TORY 3 2 CaM 4 3 WARNINGS AND 5 5 4 DAS OI GELS EA 6 5 SR 1 6 INFORMATION 8 7 BE OUTED VIEW TC 9 8 LEVEL 2 10 9 ERROR
13. de the SS 93 mem the TOP DECO and B COVER TOP DECO and B COVER ASSY as shown ASSY as shown 17 Turn over the SS 93 to separate the TOP DECO and 18 Remove the remaining adhesive on A COVER ASSY the B COVER ASSY 15 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 i i 322 AX ha ee an Liters 19 The TOP DECO can now be separated The above 20 Remove the adhesive on B COVER ASSY wm the operations may damage the TOP DECO Do not use it tweezers as shown again Discard it TI ac ut 2 54 74 42 a m d 7 2 e C 5 2273 P uU 2 d e 42 X 1 Y a iA PR is Tp ITE base 21 Unscrew the four TORX size 5 screws in order as 22 Release the two Clips above the KEYMAT with the shown Remove them with the tweezers flat head screwdriver and then remove the KEYMAT 23 In order not to damage the surface of B COVER ASSY 24 Release the snap between A COVER ASSY and in the following operations find a protective sponge B COVER ASSY as shown by flat head screwdriver Be for the screwdriver and cover the flat head screwdriver careful not to damage the structure of the housings with sponge as shown 16 Confidential Copyright 2010
14. e battery in hot or cold places such as in a closed car in summer or winter conditions will reduce the capacity and lifetime of the battery Always try to keep the battery between 15 C and 25 C 59 F and 77 F A phone with a hot or cold battery may temporarily not work even when the battery is fully charged Batteries performance is particularly limited in temperatures well below freezing Do not dispose batteries in a fire Dispose of batteries according to local regulations e g recycling Do not dispose as household waste 8 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 7 EXPLODED VIEW Deco To a 10001 5 Deco Bottom 1 Screw 2 11004 A Cover Assy 10006 10007 Touch Lens Rubber Proximit 10003 bs Earpiece 3 1008 FPC Proximity 0008 lt gt 0007 Metal Frame Light Swap 0012 Label SIM Camera 10015 Antenna Module Assy 10016 10017 Assy 10019 10023 4 Speaker 0016 4 Antenna 0017 Adhesive Deco Top Spare T 0021 B Cover Cap USB amp 0023 1 0020 Lens Camera 0024 Screw Grounding Cli 10025 inm 02 3 Screw 002
15. eparated Discard the FPC PROXIMITY Be careful not to injure yourself 19 Confidential Copyright O 2010 NOKIA All rights reserved Version 2 0 Nokia 5250 RM 684 NOKIA Academy Service Manual Level 1 amp 2 43 Remove the RUBBER PROXIMITY with the tweezers 44 Lever out the EARPIECE on A COVER ASSY with the dental tool Be careful not to injure yourself ore edi 45 Remove the EARPIECE with the tweezers Discard it 46 Remove also the remains of the mesh of the Do not use it again EARPIECE from A COVER ASSY 47 Release the two clips as shown between 48 Pull the side wall of B COVER ASSY out with thumbs SPEAKER and B COVER ASSY by inserting the flat head and push the PWB up with other fingers as shown Be screwdriver into the gap near them careful not to careful not to damage the side switches on PWB damage the housing structure 20 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 49 Lift up the bottom side of the PWB and remove it as the direction shown above 53 Cut off the USB CAP Discard it Don t use it again 54 Unscrew the TORX size 5 screw on B COVER ASSY as shown Remove it with the tweezers 21 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 F 55 Remove the
16. ny warranty obligations and to enjoy this product for many years Keep the phone and all its parts and accessories out of the reach of small children Keep the phone dry Precipitation humidity and all types of liquids or moisture can contain minerals that will corrode electronic circuits Do not use or store the phone in dusty dirty areas Its moving parts can be damaged Do not store the phone in hot areas High temperatures can shorten the life of electronic devices damage batteries and warp or melt certain plastics Do not store the phone in cold areas When it warms up to its normal temperature moisture can form inside which may damage electronic circuit boards Do not drop knock or shake the phone Rough handling can break internal circuit boards Do not use harsh chemicals cleaning solvents or strong detergents to clean the phone Do not paint the phone Paint can clog the moving parts and prevent proper operation Use only the supplied or an approved replacement antenna Unauthorised antennas modifications or attachments could damage the phone and may violate regulations governing radio devices All of the above suggestions apply equally to the product battery charger or any accessory Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 6 BATTERY INFORMATION Note A new battery s full performance is achieved only after tw
17. o or three complete charge and discharge cycles The battery can be charged and discharged hundreds of times but it will eventually wear out When the operating time talk time and standby time is noticeably shorter than normal it is time to buy a new battery Use only batteries approved by the phone manufacturer and recharge the battery only with the chargers approved by the manufacturer Unplug the charger when not in use Do not leave the battery connected to a charger for longer than a week since overcharging may shorten its lifetime If left unused a fully charged battery will discharge itself over time Temperature extremes can affect the ability of your battery to charge For good operation times with Ni Cd NiMh batteries discharge the battery from time to time by leaving the product switched on until it turns itself off or by using the battery discharge facility of any approved accessory available for the product Do not attempt to discharge the battery by any other means Use the battery only for its intended purpose Never use any charger or battery which is damaged Do not short circuit the battery Accidental short circuiting can occur when a metallic object coin clip or pen causes direct connection of the and terminals of the battery metal strips on the battery for example when you carry a spare battery in your pocket or purse Short circuiting the terminals may damage the battery or the connecting object Leaving th
18. ower in a sales package Nokia 5250 RM 684 Service Manual Level 1 amp 2 RJ 230 Soldering Jig This tool is used for PWB component de soldering and soldering 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 11 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 10 SW UPDATE Flash Concept Point of Sales Please check always for the latest version of flash software which is available on NOKIA Online SERVICE 25 S0FT WARE 1 PRODUCT SPECIFIC BATTERY TRANSCEIVER For detailed flashing instruction please refer to Nokia Care Suite Store version user manual Note The service software used for flashing this product is Nokia Care Suite The correct name for the store application in Care Suite is Product Support Tool for Store 12 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 11 DISASSEMBLY INSTRUCTION 11 gt 1 Nokia 5250 disassembly 2 You will need the Nokia Standard Toolkit version 2 as shown and camera removal tool SS 88 Mer 2027 AN NUR CE 4 M 4 ns M 4 Use the opening notch to relea
19. se the BATTERY COVER xis wey 1 3 NS AAA 5 Remove the BATTERY COVER If there is a battery 6 Unscrew the two TORX size 5 screws in order as inserted remove it as well shown Remove them with the tweezers 13 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 NOKIA Care Academy 7 Unscrew the TORX size 5 screw at the side as shown Remove it with the tweezers 9 Slide the SS 93 between th BOTTOM DECO TE B COVER ASSY as shown till encountering an obstacle Nokia 5250 RM 684 Service Manual Level 1 amp 2 15114 5 0 1 19 14 Ry 27 Ai PRA 44 J 2 jj T NM 1339 18114 FIE 2223 Ni p 2 8 the BOTTOM DECO first insert the SS 93 into the gap between the BOTTOM DECO and B COVER ASSY as shown Way 8 2212 ayes 10 Re sent the SS 93 as shown 11 Turn over the SS 93 to separate the BOTTOM DECO and the B COVER ASSY 14 Confidential Copyright 2010 NOKIA All rights reserved 12 Remove the remaining adhesive on A COVER ASSY Version 2 0 NOKIA Care Nokia 5250 RM 684 Academy Service Manual Level 1 amp 2 dr 13 The BOTTOM DECO can now pen separated The 14 To remove the DECO first detach the USB cap above operations will damage the BOTTOM DECO Do not use it again Discard it 15 And insert the SS 93 into the gap BERGER the 16 Sli
20. ut the rubber bar tail as shown Note that the 8 Assemble the AV JACK into the B COVER ASSY with the cutting position has to be as close to the fixing feature tweezers of rubber bar as possible Otherwise the tail of the rubber bar will interfere with the vibrator E dil r 10877 FTT T 9 Assemble the DC JACK into the B COVER ASSY with the 10 Push the lock key to the end of the direction as tweezers shown and fix it on the outer surface with a tape 11 The B COVER ASSY is now complete 12 Fix the top side fixing feature on PWB into the corresponding holes of B COVER ASSY as shown USB has to be aligned in the hole important to be able to correctly assemble the PWB 24 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 Nokia 5250 RM 684 NOKIA Academy m Service Manual Level 1 amp 2 13 Pull the side walls of B COVER ASSY out with thumbs 14 Be careful not to damage the side switches PWB and push the PWB down as shown 15 Fix the two clips as shown between IHF SPEAKER 16 and B COVER ASSY 17 Remove the protective tape of the EARPIECE 18 Assemble the RUBBER PROXIMITY with tweezers as adhesive and assemble it to the A COVER ASSY as shown shown 25 Confidential Copyright 2010 NOKIA All rights reserved Version 2 0 Nokia 5250 RM 684 NOKIA Academy Service Manual Level 1 amp 2 KI PERSE SENS
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