Firmware infos :

 build date               : 2017年 04月 27日 星期四 12:23:48 CST
 build description        : ts28b_s5516c_echo_java-user 6.0 MRA58K eng.service01.20170427.121453 release-keys
 build id                 : MRA58K
 build display id         : ECHO_JAVA_v09_20170427
 platform                 : sp7731gea
 product brand            : ECHO
 product device           : ts28b_s5516c
 product manufacturer     : ECHO
 product model            : ECHO JAVA
 os version               : 6.0

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