Panic error

UWB panic on iPhone

Part to check: Chip UWB (U1 / U2)

UWB 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 Chip UWB (U1 / U2). Severity is rated low, and confidence in this diagnosis is possible. 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
UWB
Category
Wi-Fi / Bluetooth
Severity
Low
Confidence
Possible
Part to check
Chip UWB (U1 / U2)

What it means

The Ultra Wideband chip hit an error.

Common causes

  • Faulty UWB chip
  • Software

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.

All errors