Quectel LTE Module Series User Manual

LTE Module Series
SC20 Secure Boot User Guide
SC20_Secure_Boot_User_Guide Confidential / Released 13 / 15
5 Generate sec.dat
Figure 3: sec.dat Construction
sec.dat contains fuses info that is going to be blown by trustzone. Customers can enable secure boot,
blow read/write permissions, blow OEM special fuses.
 How to generate sec.dat
The following command is used to generate sec.dat:
python common\tools\sectools\sectools.py fuseblower –p 8909 –g
 Storage directory
New sec.dat can be found at the default <output_dir>: common/tools/sectools/common_output/v1/sec.dat
The old sec.dat is stored in: common\tools\sectools\resources\build\sec.dat. It is recommended to back
up the old one before using the new one to replace the old one.
 sec.dat file loading using fastboot tool
The command below can be used when using fastboot tool for sec.dat file loading:
fastboot flash sec <sec.dat file path>
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Quectel LTE Module Series Specifications

General

Brand	Quectel
Model	LTE Module Series
Category	Control Unit
Language	English