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iPhone panic type
Undefined kernel instruction
Often software; persistent cases point at RAM/NAND.
Likely: iOS · RAM / NAND if persistent
Decoder match rule
Undefined kernel instructionSteps
- Update / restore iOS.
- If persistent after restore: RAM/NAND investigation.
Sources
- iFixit - iPhone Kernel Panics (accessed 2026-09-26)
Hinglish me
Undefined kernel instruction
Aksar software; baar-baar aaye to RAM/NAND.
iOS update / restore karo.
Restore ke baad bhi aaye to: RAM/NAND ki jaanch.