2015年9月14日星期一

iPhone 6 Tear Down

iPhone 6 Tear Down







Now it’s time for iPhone 6. Followings are some technology specifications:

1. Apple A8 processor with 64-bit architecture
2. M8 second-generation motion coprocessor
3. 16, 64, or 128 GB onboard storage capacity
4. 4.7-inch 1334x750 pixels (326 ppi) Retina HD display
5. 8 MP iSight camera (with 1.5µ pixels and phase-detection autofocus) and a 1.2 MP Face     Time camera
6. Touch ID home button fingerprint sensor, barometer, 3-axis gyro, accelerometer, ambient     light sensor
7. 802.11a/b/g/n/ac WiFi + Bluetooth 4.0 + NFC + 20-band LTE

Step 1
Apple has branded this particular iPhone 6 as model A1586.
The camera bump, as it's widely known, is prominently visible along the top of the iPhone 6. Apple chose improved optics in exchange for a lens assembly that is slightly thicker than the rest of the phone.




Step 2
Proceed to remove the Pentalobe screws from the iPhone 6.
The rounded corner design of the iPhone 6 do not have the Lightning connector and Pentalobe screws, is very likely to first generation of iPhone.





Step 3
With the front panel assembly open, take a peek deeply inside the iPhone 6.






Step 4
While there may not be any Phillips screws on the outside of this phone, there are certainly Phillips screws on the inside. Use screwdriver set can handle any type of screw this phone dishes out.
With screwdriver, tackle the metal bracket screws that secure the front panel assembly in place.




Step 5
Peel the home button off from the front panel assembly with ease—though, as ever, the surrounding rubber gasket is difficult to tear if you don't have the steady hands of a tech surgeon.


Step 6
Much like the iPhone 6 Plus, the front-facing camera and earpiece speaker reside on the front panel assembly.
Pull them out and line them up for inspection.






Step 7
So far, the overall construction of this "small" iPhone 6 is as much as for iPhone 6 Plus.
Metal plate and the front panel assembly it covers are perfect examples. The design mirrors that of iPhone 6 Plus, which in this case is a definite improvement.




Step 8
Battery Pull Tabs - Pulled correctly!!! Use a pry tool to coax the battery out and save you from the hassle (and potential hazard).
This adhesive is similar to a 3M Command adhesive; when you pull the tab correctly, it shears the entire strip off.



Step 9
The iPhone 6 features an 1810 mAh, 3.82 V Lithium-ion Polymer battery with an energy rating of 6.91 Wh.

Turning it over, the rating improves to 7.01 Wh. Perhaps the engineers were able to squeeze an extra 0.1 Wh in the battery after confirming the text on the front.

Apple preaches that this 28-gram (3.75" x 1.5" x 0.13") power pack will let you talk for up to 14 hours on 3G and offers 250 hours of standby time.

This is a fair bit smaller than the iPhone 6 Plus's 11.1 Wh, 2915 mAh battery—but still a notable leap from the 1560 mAh unit in the iPhone 5s.

This battery seems to have an identity crisis. On the front are markings of Apple South Asia (Thailand) Limited and Apple Japan. On the back, it says it's actually made in Huizhou, China.





Step 10
The rear-facing camera is easily removed with a pair of tweezers.

Though it lacks the fancy optical image stabilization of the camera in the iPhone 6 Plus, this unit shares virtually all of its other specs: 8 megapixels, f/2.2 aperture, True Tone flash, and phase-detection autofocus.

It also features electronic image stabilization, which aims to mimic the effects of OIS (optical image stabilization) using image processing techniques.








Step 11
Tweeze out antennas faster than you can remove puny parts from an intensive board.
Master the operation and quickly move on.
Up next is the logic board. EMI shields are dressed quiet elegantly, and check down to see what lies beneath the veil.





Step 12
The front side of the logic board:
-Apple A8 APL1011 SoC + SK Hynix RAM as denoted by the markings H9CKNNN8KTMRWR-NTH (We presume it is 1 GB LPDDR3 RAM, the same as in the iPhone 6 Plus)
-Qualcomm MDM9625M LTE Modem
-Skyworks 77802-23 Low Band LTE PAD
-Avago A8020 High Band PAD
-Avago A8010 Ultra High Band PA + FBARs
-SkyWorks 77803-20 Mid Band LTE PAD
-InvenSense MP67B 6-axis Gyroscope and Accelerometer Combo


Step 13
More ICs on the front side of the logic board:
-Qualcomm QFE1000 Envelope Tracking IC
-RF Micro Devices RF5159 Antenna Switch Module
-SkyWorks 77356-8 Mid Band PAD
-Bosch Sensortec BMA280

Step 14
Back side of the logic board:
-SanDisk SDMFLBCB2 128 Gb (16 GB) NAND Flash
-Murata 339S0228 Wi-Fi Module
-Apple/Dialog 338S1251-AZ Power Management IC
-Broadcom BCM5976 Touchscreen Controller
-NXP LPC18B1UK ARM Cortex-M3 Microcontroller (also known as the M8 motion coprocessor)
-NXP 65V10 NFC module + Secure Element (likely contains an NXP PN544 NFC controller inside)
-Qualcomm WTR1625L RF Transceiver



Step 15
More ICs await us on the back of the logic board:
-Qualcomm WFR1620 receive only companion chip. Qualcomm states that the WFR1620 is "required for implementation of carrier aggregation with WTR1625L."
-Qualcomm PM8019 Power Management IC
-Texas Instruments 343S0694 Touch Transmitter
-AMS AS3923 NFC Booster IC designed to “improve performance of existing NFC controllers for challenging environments such as mobile and wearables” and also delivers “less restrictive antenna design requirements”.

This chip is an NFC frontend to improve performance in noisy environments using 'active peer to peer bit rates [up to] 212kb/s.'

Cirrus Logic 338S1201 Audio Codec


Step 16
Remove the vibrator assembly- it's new and improved.
Apple keeps on changing this part's design:
iPhone 4 (counterweight)
iPhone 4S (linear oscillating)
iPhone 5/5s (counterweight)
Based on appearances, we're guessing that Apple went with a linear oscillating design in this rendition of the iPhone.



Step 17
This year's model is sporting a new design for the speaker assembly.
Since markings are scarce, maybe this is just a minor update from the iPhone 5s speaker.



Step 18
Headphone jack and Lightning connector-
Two have now become one assembly, residing on a single cable.
This new unity means that you can't replace one without the other—which is bad news if you have malfunctioning ports.



Step 19
Peel up the delicate cable assemblies with tweezers, such as those associated with power button and volume buttons.
Just like that, the button assemblies are out of their iPhone shell.
These assemblies look very similar to the ones found in the iPhone 6 Plus.




Step 20
Continuing the trend from the iPhone 5 series, the display assembly comes out of the phone first, simplifying screen repairs.

The battery is straightforward to access. Removing it requires a proprietary pentalobe screwdriver and knowledge of the adhesive removal technique, but is not difficult.

The fingerprint sensor cable has been re-routed, fixing a significant repairability issue with the iPhone 5s and making the phone much safer to open. (On the 5s, the cable is easily torn if a user is not careful while opening the phone.)


The iPhone 6 still uses proprietary Pentalobe screws on the exterior, requiring a specialty screwdriver to remove.

See more: Upcoming iPhone 6s Tear Down (Click in)


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