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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone, iPad, iPod Hardware Repair

iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 02-04-2021, 07:45   #1 (permalink)
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When restarting the iPhone / iPad, to make it easier to do diagnostics and not to solder everything, go to Settings-Privacy-Analytics and improvements-Analytics data-find the record of the last reboot and look for keywords in it. Mostly in the logs there are abbreviations such as prs (pressure), mic (microphone), ALS (Ambient Light Sensor),... Records of lines and elements from diagrams are also common, so if you do not find something from my records, you can turn on your wit yourself and try to decipher this or that log. Keep in mind that the log may not be written or not completely written, try to wait for another reboot and watch the log. I will keep updating these records. PRO-mobile, Telegram @iKolhoznik.


"AOP PANIC - PressureController" - Barometer
This error occurs mainly on iPh X and above, there is a barometer on the system cable at the bottom near the left microphone.

"ANS / ANS2" - NAND
Mostly due to NAND, but look for keywords in the logs.

“SD: 0 Missing sensor (s): TG0B” - battery / TIGRIS
The device does not see the battery.

“AOP PANIC - SCMto: 0 – prox” - PROXIMITY
A proximity sensor, usually after water, causes the phone to reboot.


"Kernel data abort" - CPU
Mainly because of the processor blade or the coils along the buck lines. Also in the log, there are sometimes specific lines and elements from the diagrams.

“Missing sensor (s): mic1” - Microphone
Often after water or mechanical stress.
mic1 is the bottom left microphone.
mic2 - next to the flash / flashlight.
mic3 - next to the front camera.
mic4 is the bottom right microphone.

“SD: 1 Missing sensor (s): Prs0” - Barometer
The barometer is damaged or its line.

"AppleSocHot: hot hot hot" - CPU / CP
Met only on iPhone 7 models.
Mainly because of the CP, but I also met a break along the AP_TO_PMU_SOCHOT_L line from the CPU to the CP.

“L2C / LLC” - North amplifier
Met on many models, sometimes there is a problem in the front loop and the punched LX coil for sound amplification.


"Prev-next / LSU" - Quartz clock generator
Only met on iPhone 5c.

“NO pulse on” - Taptic Engine
Often the connector is corroded.

“Nvme” - NAND
Nand with PCIE bus.

“Lm3539" - Backlight Driver
On Plus models, to find out which of the two, look in the log for the i2c line.

“Mic-temp-sens2" - mic2
Microphone next to flash / flashlight. Often found on iPhone 11.

"Kernel instructglon fetch Abort" - CPU
Termination of the CPU core.

“SCL display PMU” - Image driver

“GFX GPU” - CPU
Cessation of the CPU, only met on iPhone 8 models, often due to words in the board.


“H3K5 Tglon” - Audio Codec / Amplifiers

“SMC PANIC ASSERTION” - Processor / Top Board
Met on iPhone X and above models.

“SEP ROM to glon SMC DATA ABORT” - CPU
It can also be any item that has certificates.

“EMemory apcie” - NAND

“CP_COM_NORM REQUEST” - CPU / NAND / CAMERA
Ambiguous error, search the log for more keywords.


“Dart-dispo SMMU error” - Main camera

"Firmware fatal" - software
The flashing helps.

“Initproc exited” - Crystal Oscillator

“Invaild queue element linkage” - NAND

"AGXG10P BO NMI" - Failure of layers in the board
Punched sleeves / bushings.

"Apple tristar2" - Tristar "
Charge controller or its lines between the tiger and tristar.

“PMP NMI FIQ power (1) -failed to transition” - CPU / coils / KP
Ambiguous error.

"Void applesynopsysMIPID SIC glontroller" - Front ribbon cable

“AppleBCMWLAN” - WF / BT

“AOP PANIC” - Ambiguous error, look for keywords in the log.

"Ememory" - Nand
Mostly on iPhone 5s / 6.

“Anc-postnand.c1260 asser failed link” - Nand

“Stacks + routined” - battery
Found mainly on iPad.

"AGXK AGXAcceletor" - Gyroscope / Accelerometer

“Apcie (0: s3e)” - NAND

“Apcie (wlan)” - WF

“Apcie (bt)” - BT

“Sleep \ wake hang detected” - WF / codec / amplifiers
Ambiguous error freezing in sleep mode, look for keywords in the log.

“WKDMD ERROR code 0x2” - Memory error
Get Error 14 (APFS) on firmware,

"Apple PPM" - Lightning / Tristar / Tigris
The error occurs while charging.


Sorry my bad eng
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Old 02-04-2021, 11:24   #2 (permalink)
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“SD: 0 Missing sensor (s): TG0B” - battery / TIGRIS
The device does not see the battery.
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Old 09-07-2021, 15:25   #3 (permalink)
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and what about TG0V and TP2C?
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Old 09-10-2021, 16:02   #4 (permalink)
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Originally Posted by ninos22 View Post
and what about TG0V and TP2C?
Charging port flex/power button flex/NTC
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