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For those of you who may have to repair their own Galaxy Note 3 in the future, I’ve made a quick video tutorial on how to disassemble/assemble the Note 3. This should give you a good understanding of how to disassemble your phone safely and also repair your phone easily by replacing parts if you happen to break them.
If you broke your screen and your touchscreen is still working, please see How to Separate Glass Only on Galaxy Note 3.
If you broken your screen and your touchscreen is not working, please see How to Replace Screen Digitizer on Galaxy Note 3.
And if you do have warranty or insurance, I highly suggest you to use that before trying to fix the phone yourself as disassembling your Note 3 will void its warranty in most cases (if your Note 3 comes with a warranty sticker, my SM-N900 didn’t but my SM-N9005 did).
Step 1. Take the back cover, SIM card, microSD card, and battery out. There should be around 11 or 12 visible screws. Use #00 screwdriver and unscrew them all.
My SM-N9005 came with a warranty sticker on the back (while my SM-N900 didn’t). If yours has one, you need to unscrew the screw that’s hiding under the sticker. And yes, this will obviously void your warranty. If you don’t have one, you got lucky.
Step 2. Once all the screws are out, taking the frame off is easy. Get your S-pen about half-way in and pull it up gently until the frame comes off. Use a plastic tool, guitar pick, or your long nails to slide around the frame to get the whole frame off, it should pop out eventually.
Step 3. To get the motherboard out, you will need to undue the flex cables for your front-facing camera, sensors, 3.5mm headphone jack, and the LCD. There’s also an antenna connector you need to pop out.
Step 4. Also there’s two flex cables in the bottom left of the motherboard, pop those out too.
Step 5. After that, the motherboard should pop right out.
Step 6. For back camera repair, the 13-megapixel back camera is a standalone module that will easily pop out from the motherboard. Replace the camera module and you are done repairing!
Step 7. Now, if your USB port breaks for some reason, you can also pull the USB board out. First, make sure to take the antenna connector off.
Then using a plastic tool or guitar pick, slowly slide under the USB board starting from one end to the other. The USB board is held onto the phone by adhesives so you just need to pull slowly until everything comes off.
Step 8. This is the USB 3.0 board, if your USB ever mal-functions (like wants to only charge when it wants to), you can replace this board and fix it easily. One time I did this to my Note 2 as it sometimes wouldn’t charge and I didn’t want to go to the store even though I had warranty.
Step 9. To get to the front camera and proximity/infrared sensors, you need to pop the metal plate off. Just gently pull until it pulls out.
Step 10. Once the metal plate comes off, the front camera and sensors should naturally come out easily. If you ever break your front camera or your sensors mal-function, you now know what to replace.
Step 11. To get the phone speaker and 3.5mm headphone jack out, there’s another screw that’s holding it in place, simply unscrew that.
The phone speaker and 3.5mm jack should now come out easily.
Step 12. The only thing left now is the vibrator, which is glued onto the phone with epoxy, so I would leave it alone.
If you need to replace your screen/digitizer, the best way to repair is to buy the whole screen/digitizer/frame assembly, which should cost you anywhere around $280-350 USD. It’s usually a bit higher than getting screen or digitizer only but it’s worth it as your screen/digitizer will come assembled with the inner frame and you would simply follow Steps 1 through 12 in this page to remove everything you need.
Assembly is pretty easy to do also, simply go backwards and you should be able to get it done. I highly suggest the latter part of the video tutorial above as I walk you through every step of disassembly and assembly of the Note 3. One note of caution, before screwing your screws back in, put the battery back on and test for things like your screen, WiFi, bluetooth and make sure you’ve connected all the flex cables.
And lastly but not least, USE A CASE for your Note 3 as it will protect your screen from breaking! I’ve never heard of anyone breaking screen on a smartphone with a case.