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Panic error

SPMI panic on iPhone

Part to check: SPMI bus (PMU, charging IC, auxiliary ICs)

SPMI is a kernel panic that makes an iPhone restart on its own, usually leaving a Panic-Full log under Analytics Data. When this error line appears, the first part to check is SPMI bus (PMU, charging IC, auxiliary ICs). Severity is rated high, and confidence in this diagnosis is likely. Below you will find what the error means and its most common causes; to pin down what is wrong with your phone, scan the log with the Panic Scan app.

Basic information

Code
SPMI
Category
Power / PMU
Severity
High
Confidence
Likely
Part to check
SPMI bus (PMU, charging IC, auxiliary ICs)

What it means

Communication failed on the SPMI bus linking the CPU to the PMU and auxiliary power ICs.

Common causes

  • Faulty IC on the SPMI bus (PMU, charging IC...)
  • Broken / shorted SPMI line

For reference only, compiled from repair documentation and community data. The same error can come from more than one part; always confirm on the actual device.

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