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From Article_2, I download the android OTA sample,
and modify 2 point, as follow;
1.when the master send Download Command to slave,need include the size of image. I add the size in the source code,
2.during transfer Data, I add the 40ms delay between every data transfer. or not, the transfer will be exit,
Then, the update process is completed as Article_2, the slave receive the CONFIRM UPDATE, and call "ws_upgrade_IndicationConf()",but even restart APP or reseting the TAG, app can not scan the device again.