mount /mnt/sdcard2/dload/product_flag/product_flag.mbn success
access /mnt/sdcard2/dload/product_flag/product_flag.mbn fail errno=2, try 0 time
access /mnt/sdcard2/dload/update.app ret=0,
errno=2, try 0 time
access /mnt/sdcard2/dload/product_flag/product_flag.mbn fail errno=2, try 1 time
access /mnt/sdcard2/dload/update.app ret=0,
errno=2, try 1 time
access /mnt/sdcard2/dload/product_flag/product_flag.mbn fail errno=2, try 2 time
access /mnt/sdcard2/dload/update.app ret=0,
errno=2, try 2 time
access /mnt/sdcard2/dload/product_flag/product_flag.mbn fail errno=2, try 3 time
access /mnt/sdcard2/dload/update.app ret=0,
errno=2, try 3 time
access /mnt/sdcard2/dload/product_flag/product_flag.mbn fail errno=2, try 4 time
access /mnt/sdcard2/dload/update.app ret=0,
errno=2, try 4 time
product flag file not exists
Find update package success path:/mnt/sdcard2/dload/update.app
update_package_exist,total upgrade file size=1149997184