SN WriteTool

Engineer
Должны быть права администратора, чтобы изменить конфигурацию
Чтобы войти в режим инженера - введите пароль
Пароль по умолчанию '0000', используйте "Изменить PASSWD"
Изменить пароль для входа в режим инженера
Чтобы переключиться в режим оператора не нужен пароль
Operator
Не имеет права изменять конфигурацию пользовательского интерфейса
Чтобы переключиться в режим Инженер нужно ввести пароль

Menu – Option
SwitchTool
- For dongle product, enable usb switchtool
External Modem
- For dual talk(external modem) project, enable
preloader comport switch to single comport
Ex, MT8135(AP) + MT6280(Modem) project
Security USB
- For security project
Usb without battery
- For feature phone, enable without battery enter meta mode
System Config – IMEI Option
IMEI CheckSum
Enable IMEI checksum mechanism, the last IMEI bit will be
calculate and replace last bit get from UI
IMEI Lock
- Lock IMEI, mean the IMEI can only write one time
DualIMEI Same
The second imei the same with first imei, don`t need scan imei two times

Barcode
Production Serial Number for a PCBA, is usually use to identify PCBA. Each
PCBA should have a barcode number to keep the its test item in production line.
Barcode should be write to PCBA after download and before ATE calibration,
because in the calibration station, ATE Tool will write Calibration flag and NSFT
flag to barcode.
Support max 64 characters, composed of letters and numbers.
IMEI
International Mobile Equipment Identity, a unique number to distinguish
each mobile phone.
Must be 15 decimal digits, 14 decimal digits + 1 checksum digit.
BT Address
Must be 12 characters, composed of letters(a - f or A - F) and numbers.
Wi-Fi Mac Address
Must be 12 characters, composed of letters(a - f or A - F) and numbers.

Hdcp key
High-bandwidth Digital Content Protection, when users of illegal copying, the technology will be interference, reduce duplicated image quality, so as to protect the content.
the hdcp key bin need purchased by customer.
Write hdcp key need Ap database.
Drm key
Some Digitized audio programs have Protection of digital programs authorized centers, so must have drm key when Broadcast program
Write drm key don`t need any database
Install Hdcp Data
For this feature, need to install a key on the phone for production line. Firstly we need to use the vendor‘s PC tool to generate two files, one is Hdcp Data file, one is Hdcp Cek file. Then use SN tool to send these two files to target side. And call vendor's API to generate a key file which is in persist/data folder.
Date file this file size must be 572Bytes
Cek file this file size must be 16Bytes