Teardown

HTC U12+ Teardown

Two months ago, HTC has officially launched its new flagship – the HTC U12+. This smartphone features a 6-inch 2K super LCD, and it is powered by Qualcomm Snapdragon 845 processor. Today, we will start the teardown of the HTC U12+ to show its internal structure.

First of all, remove the SIM card tray. Use a heater to heat up the phone’s back cover. Then, try to use a sucker to separate the back cover from the phone body. Later, utilize a plastic clip to widen the slot. During the step, we still need to heat up the back cover in case that glass on the back gets broken.

Take out the connector of the fingerprint reader cable with a plastic insulated pry. Now, the back cover has been successfully taken out. The fingerprint reader chip on the back is provided by GOODiX. Many people may wonder whether the internal design of U12+ with transparent back cover is different from that of the U12+ with a semi-transparent back cover or not. After the teardown of the black ceramic version, we find that its internal design(with transparent back cover) is the same with the variant of semi-transparent back cover. This version has symmetric design and neat layout.

Except for NFC coils, there are three antenna lines with LDS process on the cover. The black part below it is the graphite layer for heat dissipation. Several contacts are designed on the back of the plate for bridging connection of NFC antenna, earphone and antenna line to the motherboard. The motherboard occupies much internal space. The connectors are mainly fixed by the plastic plate which has just been taken out. We can see that the motherboard has low integration, which leads to the phone’s low-capacity battery.

It is the front of the motherboard. Some part of the shield cover is covered by a conductive copper sheet. The top of the motherboard has lower space utilization than the lower part of the motherboard with regard to the front of the motherboard. In my opinion, the circuit design could be better. Now, the rear main cameras have been completely taken out. This dual-rear camera setup’s parameter is as the following: 12MP HTC UltraPixel fourth-generation wide angle lens, the pixel size is 1.4um, f/1.75 aperture; 16MP telephoto lens, the pixel size is 1.0um, f/2.6 aperture. The volume of the dual camera on the front is small because it doesn’t come with focus and image stabilization components. Parameters of the dual cameras on the front are as the following: 8MP, pixel size 1.12um, f/2.0 aperture.

After removing two shield covers on the front of the motherboard, we can see that three main chips of the radio-frequency circuit are covered by thermal grease. Besides, there is an empty solder joint on the left. Two shield covers on the back of the motherboard can also be removed. The component covered by the white conductive material is the 6GB memory chip from SK Hynix, with Qualcomm Snapdragon 845 chip piled together. The component covered by the gray conductive material is the 128GB ROM from Samsung. We can see that the front cameras are fixed by the metal support. Now, remove the screws used to fix the metal support. Then, the dual camera setup on the front can be easily taken out.

After finishing the teardown on the top part, remove the bare screws at the bottom. It is the linear vibrator of the smartphone. Without it, the phone would bring poorer interactive experience. This vibrator is what the Sony XZ2 features. Now, remove the loudspeaker from the phone body. It is made by AAC. On the back of the loudspeaker, many white particles in the blue part can be seen, which is AAC’s proprietary technology. This technology can improve the phone’s low-frequency performance when the music is played. Undoubtedly this smartphone will bring excellent sound quality.

Its data port meets the Type-C standard with independent design. It is connected to the vice board at the bottom by the cable. The blue seal ring at the top of the data port can be seen. The information on the back of the loudspeaker suggests that this vibrator is also provided by AAC. Benefited from big volume, this linear vibrator has better performance than the rotor vibrator. The battery, made by ATL, has the capacity of 3500mAh,13.47Wh. It supports QC3.0 technology. This battery can get half charged within 35 minutes. Until now, I have finished the teardown of the smartphone. After this teardown, I find that both its components and sealing performance have reached a higher level. However, this phone fails to support wireless charging.

Summary

Components
As a smartphone whose waterproof level reaches IP68, undoubtedly the teardown process of the HTC U12+ is not easy. For example, it’s quite difficult to take out the back cover for it is tightly fixed by double-sided adhesive. Besides, the back cover’s curve design also makes the back cover more difficult to be removed. After removing the back cover, the phone’s internal structure adopts the three-stage design. The smartphone only uses 15 screws since its components inside have high integration. With regard to the difficulty of the phone’s teardown process, we don’t recommend you tear down the phone by yourself.

Source
ZOL

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