Most of current mobile phone system upgrade use the whole package upgrade,which are the amount of data in this way,the long upgrade time-consuming,prone to the device's battery runs out,etc.,resulting in a system crash.In this paper,the server automatically upgrade packages make the difference method for this case,the method of recovery and partition backup mechanism to deal with the situation in the power of the software upgrade.MTK and Spreadtrum platform based platform of the program,the test proved that this system upgrade is fast,safe and reliable.%目前手机系统升级大多数采用整包升级,此方式数据量大,升级耗时长,易出现设备电池耗尽等情况,导致系统崩溃.针对此情况文中提出服务器端自动制作差分升级包的方法,采用recovery机制和分区备份的方法来处理软件系统升级中断电的情况.基于MTK平台和Spreadtrum平台实现该方案,试验证明本系统具有通用性强,升级迅速,安全可靠等优点.
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