发明名称 |
Mobile terminal and software update method |
摘要 |
<p>A mobile terminal (10) having a communication function. The apparatus includes: a nonvolatile memory (15a) including a memory area storing a main-unit program including an update engine (25) for updating software and an alternative unit area for a unit area in the memory area; a working memory (15b); and control means (11) for accessing both of the memories. The control means (11) downloads differential data between a version of the main-unit program and a version of a new main-unit program, expands the update engine (25) into the working memory area (15b), executes the update engine (25), updates the main-unit program for each unit area by the differential data, completes the update processing if the update has been successful, and performs the unit-area update processing on the alternative unit area and replaces the defective unit area by the alternative unit area if a defect of a unit area has been detected at the time of the update.</p> |
申请公布号 |
EP1821506(A2) |
申请公布日期 |
2007.08.22 |
申请号 |
EP20070102461 |
申请日期 |
2007.02.15 |
申请人 |
SONY ERICSSON MOBILE COMMUNICATIONS JAPAN, INC. |
发明人 |
AOYAGI, KATSUMI;ICHIKAWA, TOMOHIRO;MOTOYAMA, YOSHINORI |
分类号 |
H04M1/725;G06F9/44;H04W8/24 |
主分类号 |
H04M1/725 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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