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Follow the steps in this guide to replace the logic board in an iPhone 6s.
It's important to note that each iPhone's logic board and Touch ID fingerprint sensor are paired at the factory, so replacing the logic board will disable Touch ID unless you also install a replacement home button that has been properly paired to your new logic board.
You can also use this guide for reference to replace the logic board EMI shield stickers.
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Remove the two 3.4 mm P2 Pentalobe screws on the bottom edge of the iPhone, on either side of the Lightning connector.
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Pull the blue handle backwards to unlock the Anti-Clamp's arms.
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Slide the arms over either the left or right edge of your iPhone.
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Position the suction cups near the bottom edge of the iPhone just above the home button—one on the front, and one on the back.
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Squeeze the cups together to apply suction to the desired area.
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Pull the blue handle forwards to lock the arms.
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Turn the handle clockwise 360 degrees or until the cups start to stretch.
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Insert an opening pick under the screen when the Anti-Clamp creates a large enough gap.
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Skip the next three steps.
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If you don't have an Anti-Clamp, follow the next three steps to use a suction handle.
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Apply mild heat to the lower edge of the iPhone using an iOpener or hair dryer for about a minute.
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Apply a suction cup to the lower left corner of the display assembly.
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Take care not to place the suction cup over the home button.
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Pull up on the suction cup with firm, constant pressure to create a slight gap between the front panel and rear case.
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Place the flat edge of a spudger into the gap between the screen and rear case, directly above the headphone jack.
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Twist the spudger to widen the gap between the front panel assembly and the rest of the phone.
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Insert the flat end of the spudger on the left side of the phone, between the display assembly and rear case.
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Slide the spudger up the side of the phone to separate the adhesive and pop the clips free.
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Remove the spudger and reinsert it on the bottom edge, where you pried the phone open.
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Slide the spudger to the right, along the bottom edge of the phone.
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Slide the spudger up the right side to continue separating the adhesive and popping the display clips free from the iPhone.
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Use the suction cup to open the display, breaking the last of the adhesive.
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Pull up on the nub on the top side of the suction cup to remove it from the front panel.
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Gently grasp the display assembly and lift it up to open the phone, using the clips at the top of the front panel as a hinge.
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Open the display to about a 90º angle, and lean it against something to keep it propped up while you're working on the phone.
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Add a rubber band to keep the display securely in place while you work. This prevents undue strain on the display cables.
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Remove two Phillips screws securing the battery connector bracket, of the following lengths:
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One 2.9 mm screw
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One 2.2 mm screw
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Remove the battery connector bracket from the iPhone.
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Use the point of a spudger to disconnect the battery connector by prying it straight up from the logic board.
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Push the battery connector away from the logic board until it stays separated from its socket, so as to avoid any accidental connection to the battery while you work.
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Remove the following four Phillips screws securing the display cable bracket:
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Three 1.2 mm screws
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One 2.8 mm screw
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Use a spudger or a clean fingernail to disconnect the front camera flex cable by prying it straight up from its socket on the logic board.
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Disconnect the digitizer cable by prying it straight up from its socket on the logic board.
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Disconnect the display cable by prying it straight up from its socket on the logic board.
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Use the flat end of a spudger to disconnect the rear camera from its socket on the logic board.
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Remove the following two Phillips screws over the rear camera bracket:
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One 1.6 mm screw
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One 2.0 mm screw
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Insert a spudger to the side of the camera, between the rear case and the camera module.
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Gently pry up on the camera to nudge it out from its housing.
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Insert a SIM card eject tool or a paperclip into the small hole in the SIM card tray.
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Press to eject the tray.
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Remove the SIM Card tray assembly from the iPhone.
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Remove the two 2.3 mm Phillips screws securing the upper component cable connector bracket.
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Remove the upper component cable connector bracket.
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Remove the following five Phillips screws securing the top left Wi-Fi antenna:
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Two 1.5mm screws
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One 2.3 mm screw
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One 1.9 mm screw
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One 2.0 mm screw
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Use the flat end of a spudger to disconnect the audio control cable from its socket on the logic board.
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Use the pointed tip of a spudger to disconnect the antenna cable from its socket on the upper right corner of the logic board.
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Use the pointed tip of a spudger to disconnect the antenna cable from its socket on the lower left corner of the logic board.
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Insert the flat end of a spudger underneath the Lightning connector ribbon cable. Lift up to disconnect it from its socket on the logic board.
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Gently pull up on the antenna cable to de-route it from the two clips on the right side of the logic board.
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Remove the 1.3 mm Phillips screw securing the NFC bracket to the logic board.
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Remove the following two Phillips screws:
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One 2.5 mm screw at the top of the logic board
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One 1.4 mm screw set into the upper edge of the rear case
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Remove the final three screws securing the logic board to the rear case:
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One 1.9 mm Phillips screw
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One 2.5 mm hex nut
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One 1.8 mm Phillips screw
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Insert an opening pick below the lower edge of the logic board, between the board and the loudspeaker.
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Use the opening pick to gently lift the logic board out of its housing.
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Remove the logic board.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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So all the logic boards come with the components installs? Like the High band PAD, power amplifier avago, power amplifier Skyworks, power amplifier TriQuint, LTE modem Qualcomm, and lastly the Apps processor Apple SoC stacked on Elpida RAM. Here I thought you had to buy them.
I'm also assuming that some don't. I would like to know that alternative.
Does the logic board have the SSD on them or they else where in the iPhone?
Yup! The SSD is a flash memory chip hidden underneath an EMI shield on the logic board. You can see it in our teardown.
Um, no, actually the NAND/ssd/flash/storage chip is the big Toshiba one in the middle, it’s the one next to the line of capacitors, and is not under the shields. there are shields on either side of it. Look at the teardown page you linked to yourself and you will confirm what I’ve said.
great guide worked perfectly, had some minor water damaged internals with a completely good logic board, replaced it in a 16g pos basically have a brand new 128g 6s
