Samsung Galaxy S4 Teardown – A Complete Visual Guide

 Samsung Galaxy S4 Teardown - A Complete Visual Guide

About Teardowns

Product teardowns are used to determine design win information. This ‘under the cover’ knowledge can provide insight into how the product works and supply chain relationships. It can also reveal any innovative design features and may include an estimate of the bill of materials (BOM). Samsung then introduced the Galaxy S handset. Incorporating the Android OS platform and a similar approach to design like Apple, Samsung took a design approach of giving consumers more than what the current version of the iPhone could offer. Give them everything the iPhone can do, and then give them MORE. The Galaxy S became the flagship handset not only of Samsung but also of the Android platform.

Samsung Galaxy S4

The Samsung Galaxy SII built up the success of the S upon its release and helped pull Android’s usage numbers ahead of iOS. Then came the handset that firmly established Samsung as the choice of the handset counter-culture – the Samsung Galaxy SIII. The SIII, offering many features that its competitor, the iPhone 4, could not match, was a resounding success – selling over 40 million units since its launch. A larger, high-resolution screen, a more powerful quad-core processor (or dual-core for some models) and LTE coverage offered by the Samsung Galaxy SIII helped create new battle lines. You were now in one of two camps – iPhone or Galaxy S.

Inside the Samsung Galaxy SIV

Samsung Galaxy S4 Active SGH-i537

Based on the resounding success of the Galaxy SIII, many in the industry are wondering if Samsung would be able to continue delivering on the technology inside their feature handset. Immediately noticeable upon removing it from its box is the screen-to-case ratio. It is evident that Samsung has maximized the size of the screen while reducing the size of the bezel around it. Doing so keeps the Galaxy S4 comparable in size and form factor to handsets with smaller screens like the Nexus 4 or the Galaxy S3. Utilizing a 5.0 inch screen featuring Samsung’s proprietary Super AMOLED (1080 x 1920 pixels) technology, the edges of the display nearly touch the sides of the phone.


With Google introducing the Android OS, the rivals of iPhone rallied behind it and the competition soon became Android vs. Apple.Samsung then launched its Galaxy S device series integrating the Android OS platform. Samsung’s approach was providing options to the consumers, better than what its main rival iPhone could offer. The Galaxy S series soon became the flagship device not only of Samsung but also helped draw Android’s usage numbers more than the iOS. Then arrived the handset which firmly established Samsung as the leader of the handset rivalry – the Samsung Galaxy S3, offering numerous features which iPhone 4 could not match up with.And with the official introduction of Samsung Galaxy S4 device – with a bigger 5-inch OLED display, high-resolution screen, powerful quad-core processor and a better LTE, new battle lines were drawn.

Samsung Exynos 5410 Octa Processor



Much has been written about the performance of Samsung’s newest Exynos processor and it’s eight-core design. Benchmark tests from other sites have shown that Samsung has been able to back their claims of developing one of the best mobile application processors on the market. Integrating four ARM Cortex-A7 cores with four ARM Cortex-A15 cores developed on a 28nm low-power high-k metal-gate process from Samsung’s own foundry, the Exynos 5410 Octa processor claims to use the first set of quad-core processors to maximize performance, with the second set used to maximize energy efficiency. Considered a “big-little” architecture, the “little” portion, the ARM Cortex-A7 cores supposedly do the yeomen’s work. At some point, this architecture powers down the A7 cores and switches the workload over to the ARM Cortex-A15 cores. It’s unknown at this time if there is any circumstance where both these sets of cores run in parallel with each other. The main processor die has an area of ~122 mm². In comparison to the Exynos Quad, which featured a die area of 78.26 mm², the Exynos 5410 Octa is 36% larger in die area than its predecessor.

Complete step by step tutorial – Visual

Samsung Galaxy S4 Tear Down

Reminder: This is a simple tear down tutorial and should be considered as any replacement guide.

Samsung Galaxy S4 Teardown

Tools required:

  • Plastic Razor tool.
  • Phillips #00 screwdriver.
  • Spudgers.
  • Tweezers.

Step 1:

  • The rear case is easy to remove — just insert your fingernail in the groove to get it open.

Step 2:

  • Remove the battery.
  • Remove the SIM card.
  • Remove the micro SD card.

Step 3:

  • Remove all the screws with the Phillips #00 screwdriver to separate the mid frame from the front panel assembly.
  • Use the plastic razor tool to release all the clips securing the mid frame of the device in its place.

Step 4:

  • Just remove the speaker assembly from the plastic mid frame panel.

Step 5:

  • After removing the mid frame, use the spudger tool to pop off several connectors and the Phillips #00 screwdriver to remove a single screw which holds the motherboard in place.

Step 6:

  • Use the plastic razor tool to disconnect the rear facing camera assembly from the motherboard.
  • Use the spudger’s flat end to insert under the SIM/micro SDXC board to separate the adhesive sticking it with the motherboard assembly.
  • Use the same flat end to pop off the display/digitizer cable connector and the antenna cable connector assembly.

Step 7:

Now the motherboard is free, so we can remove all the components holding to the front of the device:

  • Use the spudger device to disconnect the headphone jack assembly.
  • Use the spudger tip to disconnect the front facing camera assembly.
  • Again use the spudger tool to disconnect the earpiece speaker, both of the IR blaster and a sensor array hosting the ambient light sensor.
  • Gently insert the spudger’s flat end under the vibrator motor to separate the adhesive sticking it to the front panel display assembly.

Step 8:

  • Carefully hold and remove the daughterboard from the front panel assembly.

Now your entire galaxy S4 is properly disassembled to bits and pieces. To reassemble your device, just follow the above mentioned steps in reverse order (i.e. from Step 8 to Step 1).

Also See Related Guides/How To’s:

How To Repair Samsung Galaxy S5 Micro-usb Port?


Samsung Support

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