1、路径：bootable\bootloader\preloader\custom\ [project] \inc\ cust_rtc.h

#define RTC_DEFAULT_YEA 2019

#define RTC_DEFAULT_MTH 7

#define RTC_DEFAULT_DOM 1

2、路径：vendor\mediatek\proprietary\frameworks\base\res\res\values\config.xml

	<!-- default year for first power on-->
    <integer name="default_restore_year">2019</integer>

3、路径：frameworks\base\services\core\java\com\android\server\NetworkTimeUpdateService.java

//oday.set(today.monthDay, today.month, year);
today.set(1, 6, 2019);