Apparatus and method for performing a fail-safe over-the-air...

Details Apparatus and method for performing a fail-safe over-the-air... Apparatus and method for performing a fail-safe over-the-air...

2003-06-20

2010-10-05

Yigdall, Michael J (Department: 2192)

Data processing: software development, installation, and managem

Software upgrading or updating

Network

C717S178000, C714S006130, C714S015000

Reexamination Certificate

active

07810088

ABSTRACT:
A wireless communication device capable of downloading a software update file from a wireless network. The wireless communication device comprises a non-volatile memory that is re-programmed by sectors. The non-volatile memory stores: i) a target file to be updated, ii) the downloaded software update file, and iii) a journal comprising a plurality of entries, each of the entries containing status information associated with a re-programmed sector of the non-volatile memory. The wireless communication device also comprises a random access memory and a main processor that replaces target code in the target file with replacement code from the downloaded software update file. The main processor creates a first block of replacement code in the random access memory and re-programs a first target sector of the non-volatile memory by storing the first block of replacement code into the first target sector. The main processor updates first status information in a first entry in the journal associated with the first target sector.

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