How To Fix an iPhone SE 2020 That Does Not Turn On, Stuck at 0.043 Amps

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How To Fix an iPhone SE 2020 That Does Not Turn On, Stuck at 0.043 Amps
Device IPhone SE 2020
Affects part(s) Motherboard
Needs equipment Soldering Iron, Hot Air Station, Microscope
Difficulty ◉◉◉◌ Hard
Type Soldering


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Problem description

Diagnosis and repair of an iPhone SE 2020 that does not power on. After prompting the phone to boot on DC power supply the current stays at 43mA.

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Symptoms

  • No current draw before prompt to boot on DC power supply
  • Phone shows no signs of life

Solution

Check for missing power rails and loose coils around the CPU and PMIC.

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