The Fone Works. Samsung Galaxy S4. Samsung Galaxy S4 Teardown. This guide presents a representation of how we fix your device in our Repair Showroom.

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1 The Fone Works Samsung Galaxy S4 Samsung Galaxy S4 Teardown. This guide presents a representation of how we fix your device in our Repair Showroom. Written By: The Foneworks 2017 thefoneworks.dozuki.com Page 1 of 21

2 INTRODUCTION This is a teardown guide based on the Samsung Galaxy S4. This will show you the challenges we face when entering your device, executing your repair thefoneworks.dozuki.com Page 2 of 21

3 Step 1 Samsung Galaxy S4 This is the newest phone in the Galaxy S range, the specifications for this phone are: It has 5" display with a resolution of 1920 x 1080 at 441 ppi The phone comes in 16, 32, or 64 GB of internal storage, and is expandable with up to 64 GB of external microsdxc storage It is has 2GB RAM of memory It is a 13 MP rear-facing camera and 2 MP front-facing camera 2017 thefoneworks.dozuki.com Page 3 of 21

have to release any clips to open it up.

4 Step 2 The good news is that there is still a removable battery. The battery is already out of the phone when it is purchased new, and the rear panel rests upsidedown on the device, so we don't even have to release any clips to open it up. Resting in the battery cavity is our micro-sim card delivery system: an advanced piece of plastic from whence the micro-sim card came. It provides super-important numbers for the life of your micro-sim card, all in one easy-to-lose thin piece of plastic! 2017 thefoneworks.dozuki.com Page 4 of 21

71" x.31" and weighing 4.6 ounces. The iphone 5, for comparison, measures 4.87" x 2.69" x 0.30" and weighs 3.95 ounces.

5 Step 3 The comparison between the Samsung Galaxy S4 and the Apple s iphone 5: The S4 rocks a 5" full HD Super AMOLED display, compared to the iphone 5's Retina display, which is a 4" IPS LCD. The Galaxy S4 is considerably larger than the iphone 5, clocking in at 5.38" x 2.71" x.31" and weighing 4.6 ounces. The iphone 5, for comparison, measures 4.87" x 2.69" x 0.30" and weighs 3.95 ounces. Both phones are available with 16, 32, or 64 GB of internal storage, but the S4 also offers up to 64 GB of microsdxc storage thefoneworks.dozuki.com Page 5 of 21

Step 4 One of the brilliant new features of the S4 is Smart Pause, which

Step 5 After a quick test drive, it's time to take the battery back out and get to

6 Step 4 One of the brilliant new features of the S4 is Smart Pause, which automatically pauses the video playback when the user looks away from the screen. Step 5 After a quick test drive, it's time to take the battery back out and get to work. New software features are cool, but we're much more interested in getting down to what powers them. The back panel is as easy to remove using a fingernail in the groove is all you need to get this phone open thefoneworks.dozuki.com Page 6 of 21

Step 6 The lithium-ion battery is rated at 3.8 V and 2600 mah (9.88 Wh).

7 Step 6 The lithium-ion battery is rated at 3.8 V and 2600 mah (9.88 Wh). Its advertised useful life allows for up to 7 hours of talk time, and up to 12.5 days of standby. Step 7 Now we are going to take out the pre-installed micro-sim card so it is out of the way. Just like in previous guides, there is only a few screws hold the plastic midframe in place. There is not a magnesium midframe like in the original galaxy S thefoneworks.dozuki.com Page 7 of 21

They can be released using a plastic opening tool, the circuit board on the S4 looks very familiar

8 Step 8 There are more clips securing the plastic midframe of S4 in place this is after removing the screws. They can be released using a plastic opening tool, the circuit board on the S4 looks very familiar just like the S3. The rest of the components in the mildframe are the volume and power buttons, nicely sized speaker and a liquid damage indicator thefoneworks.dozuki.com Page 8 of 21

Step 9 The speaker is removed easily from the midframe.

attached to your hand while holding the device.

9 Step 9 The speaker is removed easily from the midframe. The primary speaker is down at the bottom of the back of the phone. This is the prime location for a speaker if your ears are attached to your hand while holding the device. The sound quality packs a punch and can pump music loud and clear. Step 10 Now the midframe is come off, there are serveral connectors and a single screw are all that hold the motherboard in place thefoneworks.dozuki.com Page 9 of 21

0000000000098 Newtons. Samsung has opted for a rear-facing camera boasting 13 megapixels.

10 Step 11 Before examining the motherboard, the rear-facing camera needs to be pulled off. The gravitational attraction between the motherboard and the camera as we pull them apart is roughly Newtons. Samsung has opted for a rear-facing camera boasting 13 megapixels. It also sports the nowstandard LED flash, a back-illuminated sensor, and the ability to record full 1080p HD video at 30 fps thefoneworks.dozuki.com Page 10 of 21

in any of the two slots but be aware you need to replace both at once if this happens.

11 Step 12 The SIM/microSDXC board sits on top the motherboard. The way the modular design is made it makes it possible to replace if something does get jammed in any of the two slots but be aware you need to replace both at once if this happens. The adhesive securing it to the motherboard makes it something you wouldn't replace unless you had to thefoneworks.dozuki.com Page 11 of 21

Step 13 Qualcomm MDM9215M 4G GSM/UMTS/LTE modem Qualcomm PM8917 power management ARM Holdings MBG965H Samsung K3QF2F200E 2 GB LPDDR3 RAM (we suspect the Snapdragon 600 APQ8064T 1.

12 Step 13 Qualcomm MDM9215M 4G GSM/UMTS/LTE modem Qualcomm PM8917 power management ARM Holdings MBG965H Samsung K3QF2F200E 2 GB LPDDR3 RAM (we suspect the Snapdragon 600 APQ8064T 1.9 GHz Quad-Core CPU lurks below) Toshiba THGBM5G7A4JBA4W 16 GB emmc (emmc integrates a NAND flash memory and a controller chip in a single package) Qualcomm WCD9310 audio codec Broadcom BCM4335 Single-Chip 5G Wi-Fi MAC/Baseband/Radio Bosch Sensortec BMP180 barometric pressure sensor. Samsung outputs the height in meters as second parameter thefoneworks.dozuki.com Page 12 of 21

13 Step 14 Reflowing the Broadcom module off the motherboard reveals a stowaway located beneath it: a Skyworks SKY GHz, 256 QAM WLAN/Bluetooth Front-End Module thefoneworks.dozuki.com Page 13 of 21

Step 15 Moving over to the other side of the Galaxy: Skyworks 77619 power amplifier module for quad-band GSM/EDGE Qualcomm WTR1605L sevenband 4G LTE chip SWA GNF09 Broadcom 20794S1A

14 Step 15 Moving over to the other side of the Galaxy: Skyworks power amplifier module for quad-band GSM/EDGE Qualcomm WTR1605L sevenband 4G LTE chip SWA GNF09 Broadcom 20794S1A standalone NFC chip Maxim MAX77803 microcontroller New line.o Silicon Image 8240BO MHL 2.0 transmitter Qualcomm PM8821 power management IC 2017 thefoneworks.dozuki.com Page 14 of 21

Step 16 Concealed under the Samsung LPDDR3 IC is the Snapdragon 600 APQ8064T 1.

The Qualcomm applications processor package is labeled as APQ8064.

device. The first component to come out is the standard 3.

15 Step 16 Concealed under the Samsung LPDDR3 IC is the Snapdragon 600 APQ8064T 1.9 GHz Quad-Core CPU. The Qualcomm applications processor package is labeled as APQ8064. Step 17 Now it is time to remove the components attached to the front of the device. The first component to come out is the standard 3.5 mm headphone jack; this comes out with the use of the spudger. The headphone jack also is home to the status LED and the first of a pair of IR sensors thefoneworks.dozuki.com Page 15 of 21

feature, because the only thing better than pictures of food are

16 Step 18 The front facing camera comes off with some tweezing. The 2 MP front-facing camera is utilized by the S4's new dual-camera feature, because the only thing better than pictures of food are pictures of people taking pictures of food thefoneworks.dozuki.com Page 16 of 21

Step 19 Now all the easily-removed components have been removed, the next slightly-adhered parts filling the Galaxy S4's display

A multi-purpose component that connects the earpiece speaker, IR blaster, a sensor array hosting the ambient light sensor and a

17 Step 19 Now all the easily-removed components have been removed, the next slightly-adhered parts filling the Galaxy S4's display assembly will be moved. A multi-purpose component that connects the earpiece speaker, IR blaster, a sensor array hosting the ambient light sensor and a second IR sensor, a multi-purpose component that connects the earpiece speaker, IR blaster, and a sensor array hosting the ambient light sensor and a second IR sensor. The placement of the two IR sensors on either side of the earpiece speaker explains how Samsung's new Air View/Air Gesture feature operates. By comparing IR light reflected from your hand into each of the sensors, the phone can track sideways motion as you gesture without touching the screen thefoneworks.dozuki.com Page 17 of 21

those found in its Android brethren, the Nexus 4 and Galaxy Nexus.

18 Step 20 Next to pry the vibrator motor out. The S4 features a linear oscillator vibration motor, similar to those found in its Android brethren, the Nexus 4 and Galaxy Nexus. This particular motor is labeled AVCV thefoneworks.dozuki.com Page 18 of 21

Step 21 The front panel assembly fits the final section together.

single assembly. The touchscreen controller, a Synaptics S5000B.

19 Step 21 The front panel assembly fits the final section together. The display and front glass are fused, with a layer of optical adhesive. The glass is then adhered to the plastic display frame, making a single assembly. The touchscreen controller, a Synaptics S5000B. This chip is responsible for the S4's super-sensitive touchscreen, which even works with gloves thefoneworks.dozuki.com Page 19 of 21

The glass is then adhered to the plastic display frame, making a single assembly. Not a big surprise.

20 Step 22 The front panel assembly is the final piece to the puzzle. Unfortunately, the display and front glass are fused, with a layer of optical adhesive. The glass is then adhered to the plastic display frame, making a single assembly. Not a big surprise. Getting a look at the second liquid damage indicator on the back of the screen, and whoa, what's this hiding down there? The touchscreen controller, a Synaptics S5000B. This chip is responsible for the S4's super-sensitive touchscreen thefoneworks.dozuki.com Page 20 of 21

21 Step 23 The battery can be replaced in seconds, without any tools. Very easy to open and access internal components. There are only 11 screws in the entire device, all standard Phillips and there are no proprietary or security sizes. Most of the smaller components are modular and can be replaced individually, but several of them are adhered in place, increasing replacement difficulty. The glass is fused to both the display and the display frame, increasing repair costs. You'll have to go through the entire phone in order to replace the front panel, since everything is built into the back of it. And that is how it's done! This document was last generated on :11:48 AM thefoneworks.dozuki.com Page 21 of 21

The Fone Works. HTC one Teardown. Written By: The Foneworks. This a teardown guide of the HTC One. HTC one Teardown

The Fone Works. HTC one Teardown. Written By: The Foneworks. This a teardown guide of the HTC One. HTC one Teardown The Fone Works HTC one Teardown This a teardown guide of the HTC One. Written By: The Foneworks 2017 thefoneworks.dozuki.com Page 1 of 17 INTRODUCTION This is a teardown guide based on the HTC one. This