RM-899 RM-900 (Single SIM), RM-902 (Dual SIM) Version 1.0 1) For disassembling you need the Nokia Standard toolkit version 2. You will also need a DC plug and the camera removal tool SS-276. Disassembly instructions are made with dual SIM variant.
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3) To detach the B-COVER press the RELEASE BUTTON and then pull the B-COVER with fingers. 4) Remove the B-COVER.
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5) Use the finger notch to pull out and remove the battery. 6) Unscrew the four Torx+ size 6 screws in the order shown. Do not use them again.
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7) Start releasing the A-COVER from the bottom end of the device. Insert the SRT-6 between the A- COVER and D-COVER and release the two clips holding the A-COVER. NOTE: SRT-6 must be inserted vertically to avoid damages in covers. 8) Continue to release the A-COVER by inserting the SRT-6 into the gap between the A-COVER and D- COVER on the memory card side of the device.
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9) Pull the D-cover to direction shown to release the shown clips. Pay attention not to damage the A-COVER. 10) Release the top corner using the SRT-6 in the same way. NOTE: SRT-6 must be inserted vertically to avoid damages in covers.
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11) To release the top end insert the SRT-6 into to the gap between USB and D-COVER. Be careful not to damage the USB connector. 12) Lift the D-COVER upwards to release the clip next to the USB. Pay attention not to damage the covers or the USB connector.
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13) Lift the D-COVER as shown. 14) Remove the D-COVER.
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15) Use the dental tool to lever out the IHF SPEAKER. Be careful not to injure yourself with the sharp end of the dental tool. 16) Use tweezers to remove the IHF SPEAKER.
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17) Use the dental tool to detach the SPEAKER GASKET. 18) Use tweezers to remove the SPEAKER GASKET. Do not use it again. Discard it.
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19) Use a DC plug to lift up and remove the DC JACK. 20) Insert the SRT-6 between the ANTENNA and D-COVER. Release the ANTENNA by pushing it as shown.
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21) Remove the ANTENNA. NOTE: The adhesive tapes are reusable and should stay on the D-COVER. If the adhesive tapes remain on the ANTENNA, peel them off and place onto the D-COVER. 22) Use the SRT-6 to lever out the RELEASE BUTTON.
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23) Use tweezers to remove the RELEASE BUTTON. NOTE: Once the RELEASE BUTTON is removed the SPEAKER MESH has to be renewed also. 24) Use the dental tool to detach the SPEAKER MESH.
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25) Remove the SPEAKER MESH with tweezers. Do not reuse it. 26) Disconnect the DISPLAY connector with the SS-93. Be careful not to damage the connector or any components nearby.
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27) Lever up the ENGINE BOARD with the SS-93 from the shown place. Be careful not to damage any components nearby. 28) Release the shown clip with the SS-93. Be careful not to damage any components nearby.
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29) Lift up the ENGINE BOARD. 30) Protect the DISPLAY with protective film.
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31) Protect also the other side of the A-COVER window. 32) Use SS-93 to carefully lift up the DISPLAY.
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33) Separate the DISPLAY. 34) Use the dental tool to detach the TOUCH IC GASKET. Pay attention not to make any scratches to the ENGINE BOARD.
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35) Remove the TOUCH IC GASKET with tweezers. Do not use it again. Discard it. 36) Start removing the two LCD CONDUCTIVE ADHESIVE by detaching one corner with SS-93.
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37) Use tweesers to peel off the adhesive. The LCD CONDUCTIVE ADHESIVE is not reusable. 38) Use the camera removal tool SS-276 to detach the CAMERA.
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39) Release the EARPIECE with the dental tool. Be careful not to damage the flex next to the EARPIECE. 40) Remove the EARPIECE with tweezers. Do not use it again. Discard it.
Service Manual Level 1 and 2 Assembly hints Nokia Asha 501, Nokia Asha 501 Dual SIM RM-899 RM-900 (Single SIM), RM-902 (Dual SIM) Version 1.0 1) Place the IHF SPEAKER into the D-COVER. Make sure the IHF SPEAKER is aligned correctly. The pins should point towards the cavity with arrow on it.
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3) Place the shown side of the ANTENNA first into the D-COVER. 4) Fasten the ANTENNA by pressing it as shown.
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5) Place the DISPLAY on the A-COVER ASSEMBLY. The driver part of the DISPLAY should be aligned with the wider gasket on A-COVER ASSEMBLY. 6) Make sure the DISPLAY is fitted to its place and press the edges of the DISPLAY slightly to activate the adhesive.
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7) When placing the ENGINE BOARD make sure it is aligned correctly. 8) Place the shown side of the ENGINE BOARD first into the A-COVER ASSEMBLY.
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9) Press the ENGINE BOARD carefully with fingers and check that the clips on both sides are secured. 10) Use the SS-93 to carefully fasten the B2B connector.
Service Manual Level 1 and 2 Solder components Nokia Asha 501, Nokia Asha 501 Dual SIM RM-899 RM-900 (Single SIM), RM-902 (Dual SIM) Version 1.0 Back Spring X7401 S1004 F3300 X7402 X7403 fuse Spring Spring BOTTOM Charger RF antenna fuse...
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