338S00309 PMIC/power management IC for iPhone 8 and 8 Plus

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Advanced Soldering
Compatible with iPhone 8 and 8 Plus. Designation: U2700

Last updated on May 16, 2021 1:30 pm
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338S00309 PMIC/power management IC for iPhone 8 and 8 Plus Repair


This part is compatible with iPhone 8, 8 Plus and its designation is U2700.

Part Quality

This 338S00309 PMIC/power management IC for iPhone 8 and 8 Plus is rated Aftermarket due to aftermarket components and quality of them. Parts are more likely to be defective.


Advanced Soldering

This repair requires a Reballing Stencil.

Symptoms for Power Management IC Replacement:

  • Connection to network not established or dropping.
  • The device is not Charging.
  • Computers do not recognize the device.
  • The device has no signs of life at all.

Repairing 338S00309 PMIC/power management IC for iPhone 8 and 8 Plus:

  • Attempt replacing Dock and Battery. These could also be the cause of power issues.
  • Check cellular antenna for any damages.
  • Using a Tristar Tester you could identify if this part has failed.
  • During screen disassembly, try using 99% Isopropyl Alcohol to separate the adhesive on the top side of the screen or attempt to use a pick. Avoid pulling and twisting, ripping the display flex cables could cause touch loss, no image, and boot looping.
  • When disconnecting the cables Please avoid doing it from inside the board where you can hit different small components that can cause false battery reading, boot looping, among others.
  • If the Loud speaker does not have a proper connection with the pads on the dock, it will either have a low volume or not function. Dirt and dust could build up on the speaker and cause these same issues.
  • Check the connection between the dock and the board for any damage.
  • To do this, Repair, you require a soldering kit.
  • Soldering components requires a lot of heat, avoid heating or pushing components. Be very gentle; Heat should do most of the work when removing parts.
  • Make sure you disconnect all the cables and parts from the motherboard to avoid damaging them.
  • Look at steps ahead to avoid damaging the board.
  • Don’t Pull on the Chip. When it’s ready to come off, you’ll be able to take it off with tweezers gently.

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