| 摘要 |
The present invention relates to a method of updating an operating system image of a portable information device, wherein the portable information device comprises a burn program for burning a new operating system image to a memory of the portable information device. The method first detects size of the new operating system image saved in an external device; then checks if an available capacity of the memory is sufficient for the new operating system image; if the available capacity is sufficient, proceeding to a subsequent step; further, it downloads the new operating system image from the external device; and finally starts the burn program to burn the external new operating system image to the memory.
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