The Samsung Galaxy Note 9 is an amazing device and to solve any internal issues you should know how to tear down the phone completely, here is what you should know.
Samsung’s Note series has always tried to appeal to people who value productivity. Every entry in this series focuses on raw performance, functionality, and of course, looks. The Note 9 is a pretty capable entry in this lineup. It comes packed with the latest hardware and Samsung’s iconic S Pen. We are going to do a teardown of this phone in order to see what’s inside of it.
Our teardown guide will take you through the process of safely opening and closing this device. If for some reason you feel like opening up your brand-new Note 9, this guide will help you out quite well.
Samsung Galaxy Note 9 Teardown
As always, before we begin with the teardown, we need to make sure that we have all the right tools on hand. For opening this device, you will need the following:
- Heat gun or hair dryer
- Opening picks
- Tweezers
- Suction cups
- Spudger
- Phillips head #00 Screwdriver
- Ultrasonic Cutter or Regular Cutter
Since this is a teardown guide only, there is not any need for spare parts. Looks wise, the Note 9 is nearly identical to the Note 8. There are a few small changes here and there, like the Note 9 is 0.2mm thicker than the Note 8 and it is slightly shorter than it as well. A really cool thing about the Note 9 is that Samsung hasn’t gotten rid of the headphone jack.
Before we begin, make sure that the phone’s battery level is below 25%. This will decrease the chances of your battery blowing up if you mishandle it. Also, remove your S Pen and then power off your device. You are now ready to disassemble your Note 9.
Step 1
- Just like every other modern smartphone, the Note 9 is held together by a very tough Adhesive. In order to bypass this adhesive, you need patience, care, and heat.
- Start by heating the edges of your device until they become hot to touch. Be careful that you don’t end up applying too much heat and damaging your phone.
- After heating all of its edges, take your suction cup and place it on the lower end of your phone’s back panel.
- Pull gently but firmly with the suction cup in order to create a gap between the back panel and the phone body. You may need to heat the adhesive again in order to make a wide enough gap.
- Once you have managed to create a gap, slide in your opening pick into it. Begin slicing away at the adhesive with the pick. Make sure that you don’t insert the pick too deep into your phone.
- After slicing away at all the adhesive, the entire back panel will come off of the phone.
Step 2
- Once you opened your phone, you will be met by its battery and other internal components. Your next step is going to be removing the battery.
- Find the cable connecting the battery to the motherboard and disconnect it with a soft plastic tool.
- Now, removing the battery itself will be tough because Samsung likes to glue its battery into place. You can try heating the adhesive securing the battery in place. This can be dangerous as lithium-ion batteries are prone to exploding (especially lithium ion batteries made by Samsung).
- Carefully heat the adhesive and then use your opening pick in order to pry it out. For this procedure to go as safely as possible, we recommend that your phone’s battery should be below 25%.
Step 3
- With the battery out of the way, you can now take a look at the various chips and boards that bring this device to life. The Qualcomm Snapdragon 845, 6GB RAM module, and 128GB eUFS storage unit can all be found bundled together.
- Accompanying the core chips, we have the NXP 80T17 NFC Controller, the Skyworks Front-End Module WLAN and the Qualcomm Audio Codec. The LTE module and Maxim PMIC can be found here as well.
Step 4
- On the backside of the same unit, there are a bunch of other chips as well. You will find all the components that make this smartphone a smartphone bunched up over here.
- The S Pen’s Wacom digitizer controller is located here as well. You will also find the phone’s Wi-Fi and Bluetooth module on this side.
- Other notable chips include the IDT Wireless Charging receiver, and the phone’s Display PMIC.
Step 5
- At the bottom side of the phone, you will find a different array of chips and components. It’s interesting to note that Samsung decided to ditch the daughter-board configuration that it had used last year.
- You will find a modular USB-C port with the microphone attached to it. The headphone jack can be found right next to the USB-port module.
- You will also get a glimpse of the heat pipe that is running throughout this phone. This year’s heat pipe is beefier than before. Which is a good thing as it will offer better temperature management.
Step 6
- That is the entire Note 9 opened and inspected. Now, we’ll take a look at this year’s S Pen.
- The S Pen is-unfortunately-unopenable. Meaning that the only way to open it is by breaking it apart. We used an ultrasonic cutter for breaching the S Pen’s shell. If you don’t have one lying around, a regular cutter will do the job as well.
- On cutting open the S Pen, you will be met by a handful of interesting components.
- The S Pen houses a Dialog Semiconductor Bluetooth Smart SoC and a K8373 Seiko Instruments supercapacitor.
- The capacitors power the Bluetooth radio in the S Pen. This is a great way to keep the pen functioning without having to give it an actual built-in power source.
This is pretty much everything that is worth taking a look at in a basic teardown. Of course, you can always go further and disassemble your phone even more. However, that will also increase the chances of your phone dying on you before you put it back together. You should also keep in mind that removing the adhesive holding your phone together will compromise its water resistance.
Once you have looked at everything inside the phone, you can reassemble it. Reassembly I simple; just follow our steps in reverse order. In order to seal the phone shut, you will need some adhesive. Apply this on the back panel and set it into place.
Conclusion
Our teardown of the Samsung Galaxy Note 9 reveals a lot about the device. We got to see a bunch of sophisticated components that are powering this device. We also got to see that the Note 9 is not a huge leap in terms of technological advancement. It’s a lot like the Note 8 in looks and hardware. Despite the lack of innovation, it is different enough to be hailed as a new model in the Note series.
Should you upgrade from your Note 8 to Note 9? You can if you want to. But you won’t be missing out on a lot if you already own a Note 8. We would wait and see what Samsung comes up with next year before changing our device.
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