A Comprehensive Guide to iPhone Panic Full and Kernel Panic Errors for Various Models

Panic Full and Kernel Panic errors can occur on iPhone models, indicating hardware or software issues that can lead to unexpected reboots. This comprehensive guide explores the different types of Panic Full and Kernel Panic errors for various iPhone models, providing solutions to address these issues.

Section 1: iPhone 13 Series Panic Full and Kernel Panic Errors:

1. Kernel Panic: "Watchdog Timeout Thermalmonitord Missing Sensor"

   • Error: Watchdog Timeout Thermalmonitord Missing Sensor
   • Solution: Check for missing sensors like PRS0, Mic1, Mic2, TG0V, TG0B. Inspect the charge port flex and power button flex for any issues. Replace the faulty flex cables if necessary.

2. Kernel Panic: "Watchdog Timeout No Check In"

   • Error: Watchdog Timeout No Check In
   • Solution: This error is often related to software components like Springboard, logd, wifid, or thermalmonitord. Ensure you have a backup and try restoring your iPhone's software. Update to the latest iOS version to resolve any known software issues.

3. Kernel Panic: "i2c Error"

   • Error: i2c Error (specific component-related errors)
   • Solution: Obtain the schematic diagram for your iPhone model to identify the components communicating on specific i2c channels. Inspect and repair or replace any damaged components or communication lines accordingly.

4. Kernel Panic: "AOP NMI POWER"

   • Error: AOP NMI POWER
   • Solution: This panic is often associated with the power button cable or the front-facing camera assembly. Inspect these components for any damage and consider replacement if necessary.

5. Kernel Panic: "AOP Panic - K2 - Bosch control channel write failure"

   • Error: AOP Panic - K2 - Bosch control channel write failure
   • Solution: This panic is typically related to audio functions and may be caused by damage to the charge port flex assembly. Check for liquid damage and replace the flex assembly with a high-quality or OEM replacement.

6. Kernel Panic: "ANS2 Recoverable Panic"

   • Error: ANS2 Recoverable Panic
   • Solution: This panic indicates an issue with the Apple NAND Storage (storage controller) or communication lines to the NAND chip. Professional microsoldering skills and a NAND programmer are required to replace the faulty chip and transfer data from the old to the new chip.

7. Kernel Panic: "AppleSocHot: Hot Hot Hot"

   • Error: AppleSocHot: Hot Hot Hot
   • Solution: This panic suggests an issue with the electrical line between the Power Management chip and the CPU. It may indicate a logic board problem. Consult a professional repair service for further diagnosis and board-level repair if required.

8. Kernel Panic: "SEP ROM Boot Panic"

   • Error: SEP ROM Boot Panic
   • Solution: This panic points to a problem with the Secure Enclave Processor (SEP) or its communication with the CPU. If the SEP ROM chip is damaged, data recovery may be difficult or impossible. Seek professional assistance if you encounter this error.

9. Kernel Panic: "SMC Panic Assertion Failed"

   • Error: SMC Panic Assertion Failed (with codes 0x800, 0x1000, 0x4000)
   • Solution: Assertion Failed panics are associated with the System Management Controller (SMC). Reboots occur at the three-minute mark, and the log may mention affected sensor arrays. Consider inspecting and replacing the charge port assembly, front-facing sensor cable, or battery depending on the specific code.

10. Kernel Panic: "Undefined Kernel Instruction"

    • Error: Undefined Kernel Instruction
    • Solution: This kernel panic often indicates a software issue. Check for OS updates or app updates. If the issue persists, consider reinstalling or restoring the operating system. If the problem continues, it may be related to faulty RAM or NAND storage components.

Section 2: iPhone 12 Series Panic Full and Kernel Panic Errors:

1. Kernel Panic: "Watchdog Timeout Thermalmonitord Missing Sensor"

   • Error: Watchdog Timeout Thermalmonitord Missing Sensor
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 1)

2. Kernel Panic: "Watchdog Timeout No Check In"

   • Error: Watchdog Timeout No Check In
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 2)

3. Kernel Panic: "i2c Error"

   • Error: i2c Error (specific component-related errors)
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 3)

4. Kernel Panic: "AOP NMI POWER"

   • Error: AOP NMI POWER
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 4)

5. Kernel Panic: "AOP Panic - K2 - Bosch control channel write failure"

   • Error: AOP Panic - K2 - Bosch control channel write failure
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 5)

6. Kernel Panic: "ANS2 Recoverable Panic"

   • Error: ANS2 Recoverable Panic
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 6)

7. Kernel Panic: "AppleSocHot: Hot Hot Hot"

   • Error: AppleSocHot: Hot Hot Hot
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 7)

8. Kernel Panic: "SEP ROM Boot Panic"

   • Error: SEP ROM Boot Panic
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 8)

9. Kernel Panic: "SMC Panic Assertion Failed"

   • Error: SMC Panic Assertion Failed (with codes 0x800, 0x1000, 0x4000)
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 9)

10. Kernel Panic: "Undefined Kernel Instruction"

    • Error: Undefined Kernel Instruction
    • Solution: Same as iPhone 13 Series (refer to Section 1, point 10)

Section 4: iPhone X, XR, XS, XS Max Panic Full and Kernel Panic Errors:

1. Kernel Panic: "Watchdog Timeout Thermalmonitord Missing Sensor"

   • Error: Watchdog Timeout Thermalmonitord Missing Sensor
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 1)

2. Kernel Panic: "Watchdog Timeout No Check In"

   • Error: Watchdog Timeout No Check In
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 2)

3. Kernel Panic: "i2c Error"

   • Error: i2c Error (specific component-related errors)
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 3)

4. Kernel Panic: "AOP NMI POWER"

   • Error: AOP NMI POWER
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 4)

5. Kernel Panic: "AOP Panic - K2 - Bosch control channel write failure"

   • Error: AOP Panic - K2 - Bosch control channel write failure
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 5)

6. Kernel Panic: "ANS2 Recoverable Panic"

   • Error: ANS2 Recoverable Panic
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 6)

7. Kernel Panic: "AppleSocHot: Hot Hot Hot"

   • Error: AppleSocHot: Hot Hot Hot
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 7)

8. Kernel Panic: "SEP ROM Boot Panic"

   • Error: SEP ROM Boot Panic
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 8)

9. Kernel Panic: "SMC Panic Assertion Failed"

   • Error: SMC Panic Assertion Failed (with codes 0x800, 0x1000, 0x4000)
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 9)

10. Kernel Panic: "Undefined Kernel Instruction"

    • Error: Undefined Kernel Instruction
    • Solution: Same as iPhone 13 Series (refer to Section 1, point 10)

Section 5: iPhone 8, 8 Plus, 8 SE 1, 2, 3 Panic Full and Kernel Panic Errors:

1. Kernel Panic: "Watchdog Timeout Thermalmonitord Missing Sensor"

   • Error: Watchdog Timeout Thermalmonitord Missing Sensor
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 1)

2. Kernel Panic: "Watchdog Timeout No Check In"

   • Error: Watchdog Timeout No Check In
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 2)

3. Kernel Panic: "i2c Error"

   • Error: i2c Error (specific component-related errors)
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 3)

4. Kernel Panic: "AOP NMI POWER"

   • Error: AOP NMI POWER
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 4)

5. Kernel Panic: "AOP Panic - K2 - Bosch control channel write failure"

   • Error: AOP Panic - K2 - Bosch control channel write failure
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 5)

6. Kernel Panic: "ANS2 Recoverable Panic"

   • Error: ANS2 Recoverable Panic
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 6)

7. Kernel Panic: "AppleSocHot: Hot Hot Hot"

   • Error: AppleSocHot: Hot Hot Hot
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 7)

8. Kernel Panic: "SEP ROM Boot Panic"

   • Error: SEP ROM Boot Panic
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 8)

9. Kernel Panic: "SMC Panic Assertion Failed"

   • Error: SMC Panic Assertion Failed (with codes 0x800, 0x1000, 0x4000)
   • Solution: Same as iPhone 13 Series (refer to Section 1, point 9)

10. Kernel Panic: "Undefined Kernel Instruction"

    • Error: Undefined Kernel Instruction
    • Solution: Same as iPhone 13 Series (refer to Section 1, point 10)

Note: The solutions provided are general guidelines, and it is always recommended to consult a professional repair service or Apple Support for accurate diagnosis and assistance with specific Panic Full and Kernel Panic errors.

Please note that these errors and their solutions are based on the information available up to September 2021, and it's always recommended to consult official Apple documentation or support for the most up-to-date information regarding Panic Full and Kernel Panic errors for iPhone models.