发明名称 AUTOMATIC BACKUP STORE IN FIRMWARE UPGRADES
摘要 Method for updating software present in a first version (V 1) in a device (40), by receiving and executing a delta file (D12) for upgrading said first version to a second version (V2), which software is divided and stored in a number of memory blocks (201-204) defined in an address space (211) of a physical memory (48) in the device, comprising the steps of­: defining an extra memory block (212) associated with said number of memory blocks; erasing said extra memory block to define an extra memory block space; writing updated data for a first of said number of memory blocks, as determined by said delta file, on said extra memory block; erasing said first memory block, thereby moving said extra memory block space one block; and writing updated data for a second of said number off memory blocks, as determined by said delta file, on said first memory block.
申请公布号 WO2005085997(A2) 申请公布日期 2005.09.15
申请号 WO2005EP50701 申请日期 2005.02.17
申请人 SONY ERICSSON MOBILE COMMUNICATIONS AB;LJUNG, PETER 发明人 LJUNG, PETER
分类号 G06F9/445;G11C16/10 主分类号 G06F9/445
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