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Difference between revisions of "SysCfg"
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It is a dictionary-like structure with each entry having a 4-byte (32-bit) key (Ex: SrNm). |
It is a dictionary-like structure with each entry having a 4-byte (32-bit) key (Ex: SrNm). |
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− | With AppleInternal |
+ | With an AppleInternal image called [[Diags]], that is found on EVT / DVT / PVT devices, this data can be modified and reflashed. |
A smart programmer may be able to use a jailbreak and write a controller around this partition to do the same. |
A smart programmer may be able to use a jailbreak and write a controller around this partition to do the same. |
Revision as of 06:32, 11 February 2021
SysCfg
SysCfg also known as System Configuration is a partition on the NAND found on iOS devices.
It stores the Serial Numbers and Calibrations of hardware of the device, and the Software Behaviour bits.
It is a dictionary-like structure with each entry having a 4-byte (32-bit) key (Ex: SrNm).
With an AppleInternal image called Diags, that is found on EVT / DVT / PVT devices, this data can be modified and reflashed.
A smart programmer may be able to use a jailbreak and write a controller around this partition to do the same.
Modifications to these numbers are permanent but have advantages too.
A Chinese iOS device generally has limitations as defined by the Software Behaviour bits and the Region, modifying these in the SysCfg may remove them.
Keys
key | description | type |
---|---|---|
AICl | Accelerator Interrupt Calibration | Data |
ARot | Accelerator Orientation Calibration | Data |
ASCi | ---? calibration data | Data |
ASCl | Accelerator Sensitivity Calibration | Data |
BCAL | Bluetooth Taurus Calibration | Data |
BCAR | BackCamera Autofocus Recalibration | Data |
BCMB | Back Camera Module Board | Data |
BCMS | Back Camera Module Serialnumber | String |
BLCl | Backlight Calibration | Data |
BMac | Bluetooth Mac Address | Data (mac address) |
BTRx | Bluetooth Reception Calibration | Data |
BTTx | Bluetooth Transmission Calibration | Data |
Batt | Battery Serial Number | String |
CBAT | Charget input limit calibration | Data |
CDCC | Compass hilow calibration | Data |
CGSp | Coverglass type | Data (binary-hex) |
CLHS | Housing Color | Data |
CLCG | Coverglass Color | Data |
CSCM | Compass Sensor Calibration | Data |
CVCC | Compass VBUS Compensation | Data |
DBCl | Display Backlight Compensation | Data |
DClr | Device color | Data |
DTCl | Display Temperature Calibration | Data |
EMac | Ethernet Mac Address | Data (mac address) |
FCMB | Front Camera Module Board | Data |
FCMS | Front Camera Module Serialnumber | String |
FDAC | Orb Dynamic Accelerator Calibration | Data |
FG2G | WiFi Calibration Frequency Group 2G | Data |
GICl | Gyro Interrupt Calibration | Data |
GLCl | Gamma Tables Calibration | Data |
GRot | Gyro Orientation Calibration | Data |
GSCi | Gyro Sensitivity Matrix Inverse | Data |
GSCl | Gyro Sensitivity Calibration | Data |
GTCl | Gyro Trim Calibration | |
GYTT | Gyro Temp. Calibration | Data |
LCM# | Liquid Crystal Monitor Serialnumber (LCD) | Data?? |
LSCI | Ambient Lightsensor Calibration | Data |
LTAO | Low Temperature Accelerator Offset | Data |
MLB# | Main Logicboard Serialnumber | String |
MdlC | Murata WiFi Configuration | String |
Mod# | Model number | String |
MtCl | Multitouch Calibration | Data |
MtSN | Multitouch Serialnumber | String |
NFCl | Stockholm NFC Calibration | Data |
NSrN | Touch-ID Serial Number | Data (hex-encoded string) |
NoCl | ---? Calibration | Data |
NvSn | Apple SandDollar SerialNumber | Data |
OFCl | Orb Force Calibration | Data |
OrbC | Orb Calibration | Data |
OrbG | Orb Gap Calibration | Data |
PACV | ---? | Data |
PrCL | Pearl calibration | Data |
PRSq | ---? | Data |
PRTT | Pressure Temperature compensation Table | Data |
PxCl | Proximity Calibration | Data |
RMd# | Regulatory Model Number | String |
RxCL | Rosaline Calibration | Data |
Regn | Region code | String |
SPPO | Pressure Offset Calibration | Data |
SpCl | Speaker Calibration | Data |
SrNm | Device Serialnumber | String |
STRB | Camera Strobe Color Calibration | String |
SwBh | Software Behaviour Bits | Data |
TCal | Audio Actuator Calibration | Data |
VBCA | Speaker Configuration | Data |
VBST | Speaker Configuration | Data |
VPBR | Speaker Configuration | Data |
W24R | Wifi Receiver 2.4Ghz Calibration | Data |
WCAL | Wifi Calibration | Data |
WMac | Wifi mac address | Data (mac address) |
WRxT | Wifi Receiver temp. Calibration | Data |