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Nokia Lumia 900 disassembly, screen replacement and repair



If you want to buy a replacement screen, screwdrivers and other parts, you can order from us here - Nokia Lumia 900 screen

Tools required for disassembly: Torx 4 screwdriver, Phillips screwdriver, sim removal tool or paperclip, plastic tool such as a guitar plectrum or credit card.

First remove your sim card by pushing a sim removal tool or paperclip into the hole circled below. The sim card holder will then pop up. Nokia Lumia 900 disassembly stage 1 With the sim card holder removed your phone should look like below. Now lift the small black sticker indicated by the arrow below. Your sim removal tool is good for this. Nokia Lumia 900 disassembly stage 2 Below you can see the small black sticker, stuck to the sim removal tool. Nokia Lumia 900 disassembly stage 3 You now need to remove the locking pin, which locks the screen into the phone's housing. Push the small end of your sim removal tool into the recess, as shown below, then push down at the other end to lift the locking pin up. Nokia Lumia 900 disassembly stage 4 The locking pin can now be pulled out. Nokia Lumia 900 disassembly stage 5 The locking pin has now been removed. Nokia Lumia 900 disassembly stage 6 Now push one of your screwdrivers into the recess, as shown below, and lever the screen. You should hear a click and the screen will be raised slightly at the top right corner.  Nokia Lumia 900 disassembly stage 7 Now run a plastic tool, such as the edge of a credit card, along the right side of the screen to release the clips holding it in place. Nokia Lumia 900 disassembly stage 8 Now flip the screen over, being careful not to damage the ribbon cables which still connect it to the circuit board. Remove the rubber part (USB sealing plug) indicated by the arrow. It simply lifts free. Next remove the seven torx head screws, circled in red, followed by the Phillips head screws, circled below in white. Nokia Lumia 900 disassembly stage 9 Take note of the ribbon cable, circled below in red, which is covered by the metal plate. It has a plug and socket type connection and can be levered away from the circuit board when you remove the metal plate. Be careful not to damage the cable. Remove the metal plate by levering it up from the points indicated by the arrows below. When you lift the plate free make sure the battery comes away with it. If you feel some resistance then the battery is probably stuck down on the other side. In this case, use a hot air gun or hair dryer to soften the adhesive holding the battery to the phone and it will eventually become free.  Nokia Lumia 900 disassembly stage 10 Below you can see the metal plate with the battery stuck to it on the other side. The connector, circled in white, is the one mentioned in the previous stage of the guide. Make sure it's plugged back into the circuit board when you put your phone back together. Now disconnect the two circled ribbon cables. Again these have a plug and socket type connection so can be levered away from the circuit board. The screen will now be free and can be lifted away from the rest of the phone. Nokia Lumia 900 disassembly stage 11 With the screen removed, your phone should look like below. To remove the circuit board push back the two circled clips and lift the circuit board up from the same side. Nokia Lumia 900 disassembly stage 12 To remove the battery from the metal plate, apply some heat with a hot air gun or hair dryer to soften the adhesive tape holding it in place. Below you can see the battery, having been removed. You can also see the strip of black adhesive tape which holds it to the metal plate. Nokia Lumia 900 disassembly stage 13 The front facing camera, circled below, has a plug and socket type connection so can be levered away from the circuit board. It will also be held in place with a little double sided tape. Nokia Lumia 900 disassembly stage 14 The front facing camera has now been removed. Disassembly is now complete. Reverse the whole procedure for reassembly. If you've found this disassembly guide useful, please support formymobile.co.uk and order the tools and parts you need from our site. We ship worldwide! Nokia Lumia 900 disassembly stage 15
If you have any questions about how to take apart and repair your broken Nokia Lumia 900, email rob.lee@formymobile.co.uk. Or post a comment below for further help with Nokia Lumia 900 disassembly.

If you want to buy a replacement screen, screwdrivers and other parts, you can order from us here - Nokia Lumia 900 screen