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description[INFO] Démontage du Google Nexus 5 [06.11.2013] Empty[INFO] Démontage du Google Nexus 5 [06.11.2013]

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Démontage du Google Nexus 5

J'ai copié ci-dessous les étapes que vous pouvez retrouvez sur ce lien avec une vidéo en bonus : NExus 5 Teardown

Step 1 — Nexus 5 Teardown 



  • The Nexus 5 is the first phone to ship with the latest version of Android's OS, KitKat. It may not be coated in chocolate, but it has plenty of tasty features:



    • 4.95" full HD 1920x1080 display at 445ppi


    • Quad-core, 2.26 GHz Snapdragon 800 processor and 450 MHz Adreno 330 GPU


    • 2 GB RAM


    • 8 MP/1080p rear camera with optical image stabilization, and 1.3 MP front-facing camera


    • 4G/LTE wireless support, 802.11 a/b/g/n/ac (2.4GHz and 5GHz) dual-band Wi-Fi, NFC, Bluetooth 4.0, and wireless charging


    • 16 GB or 32 GB built-in memory


    • Android 4.4 KitKat






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  • Sounds of joy emanate from the teardown factory as we find this Nexus is held together by…plastic clips!



    • These clips are plenty stubborn, but nothing like the headache that a glued panel would be.





  • Agent P.O.T. (plastic opening tool ) is deployed to handle this noble mission.





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  • We may have cheered too soon—either someone spilled some chocolate syrup, or that's adhesive securing the bottom of the case.




    • Finding glue in your gadget is as much fun as finding chewed gum on your shoe.





  • Luckily this bit of foam adhesive is no match for a few swipes of a plastic opening pick. Our poor fixer souls have seen  much  worse  recently.


  • With the adhesive out of the way, we get our first peek inside this delicious new device.





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  • Before taking another bite, we pause to chew over the back case:



    • We find conveniently labeled antennas for the Wi-Fi, MIMO, and GPS. It's not quite instructions, but hey, we'll take what we can get.


    • The NFC and wireless charging cables' spring contacts aren't so nicely identified, but are present and accounted for.


    • The vibrator is held in place with only a small amount of adhesive. That means an easy repair, should your phone lose its ability to shake it up .





  • How many licks  screws does it take to get to the center of a Nexus 5?

















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  • Google gives us the Goldilocks of glue: It's just enough to hold the battery in place, but not too much—the battery can still be removed with minimal prying and virtually no bending.


  • Non-LG manufacturers, take note! We don't want none of your "that ain't possible" funny business when it comes to using glue in devices.





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  • LG's 3.8 V, 2300 mAh battery offers a slight jump in capacity over last year's Nexus 4.


  • Google boasts that this pack will keep you sugar-high for 17 hours of talk time, 300 hours of standby, or 7 hours of LTE web browsing.


  • We're pretty sure this warning icon indicates that it's unsafe to let pets smaller than this battery anywhere near it.





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  • Time to break us off a piece of this KitKat phone !


  • The speaker pops out with minimal fuss; it's only secured by few screws and no cables. This is the Nexus standard single speaker , despite the dual grilles.




    • No, this Nexus is not preparing for a BBQ—the second grille is for the microphone. Don't worry; we'll get there soon.






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  • We free the Oompa-Loompa-colored daughterboard, and she's got more goodies than the Easter Bunny:



    • Microphone


    • RGB Indicator LED


    • Micro-USB port


    • Speaker spring contacts


    • Antenna spring contacts






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  • Less tasty, but more powerful than a Pixy Stick , ourspudger  makes motherboard removal easier than taking candy from a baby.


  • We quickly spudge away the wireless charging control and NFC board. LG built this little board into an EMI shield assembly that pops in right over the motherboard.






  • NFC is the tech behind Google Wallet—one of the Nexus devices' most loved features and one often blocked by carriers. Last month, the rumor mill speculated  that the Nexus 5 would feature a Broadcom NFC controller that could eliminate carriers' ability to wallet-block customers.



    • Lo and behold: the Broadcom BCM20793M  NFC controller.






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  • That's some scrumptious silicon! Feast your eyes on these ICs:



    • Sandisk SDIN8DE4 16 GB NAND flash


    • Qualcomm WTR1605L LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/GPS transceiver


    • Qualcomm PM8841  power management IC


    • Broadcom BCM4339  5G Wi-Fi combo chip with integrated power and low-noise amplifiers (the updated version of the BCM4335 ).


    • Avago RFI335


    • InvenSense MPU-6515  six-axis (gyro + accelerometer) MEMS MotionTracking device


    • Asahi Kasei AK8963  3-axis electronic compass











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  • SK Hynix H9CKNNNBPTMRLR-NTM  2 GB LPDDR3-1600 RAM



    • The Quad-core, 2.26 GHz Snapdragon 800 SoC is layered beneath the RAM





  • Qualcomm WCD9320  audio codec


  • Analogix ANX7808  SlimPort transmitter


  • Qualcomm PM8941 power management IC


  • Texas Instruments BQ24192  I2C controlled 4.5 A USB/adapter charger


  • Avago ACPM-7600





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  • Out next is the 8MP rear-facing camera.



  • Google has taken some criticism for the less-than-impressive image capture in last year's candy-powered devices. This year they've added Optical Image Stabilization (OIS), but we've only heard tepid reviews so far.



    • The Nexus 5's OIS is powered by an InvenSenseIDG-2020  dual axis gyroscope.






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  • We pop out the last of the bite-sized morsels in the Nexus 5:



    • Earpiece speaker


    • Headphone jack


    • 1.3 MP front-facing camera.





  • What a treat! These components were modular and only lightly adhered, seasoned just to our repair tastes.





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  • Unfortunately, our hopes come crashing down like a blood sugar crash after a candy binge: the front panel is one fused flustercluck.


  • While we saw this in the Nexus 4 , we had hoped the LG/Google team could learn the error of their ways.


  • Alas, the front frame, LCD, and glass are doomed to a single shared death sometime down the road toCandy Land .




    • Imagine if one cavity meant losing allyour teeth... Talk about a hard pill to swallow.





  • Tucked in at the base of the display, a Synaptics S3350B IC provides touchscreen control.






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  • Nexus 5 Repairability Score: 8 out of 10 (10 is easiest to repair).


  • Very modular design allows independent replacement of several wear-prone components—like the headphone jack and speakers.


  • Only very mild adhesive holds the battery in place, making it fairly easy to safely remove and replace.


  • Standardized screws (ten identical #00 Phillips) simplify repairs and reassembly.


  • The back cover is held in place with plastic clips. Sturdy and rather difficult to remove, but easier than glue.


  • The glass and LCD are fused to the display frame. Fixing broken glass will be either expensive or very difficult.

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