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How to upgrade the firmware via GPRS

Question asked by baris.savas on Sep 19, 2012
Latest reply on Sep 19, 2012 by Clive One
I have designed a GPRS Modem. STM32F103R8 has been used in it. After realizing tis project, upgrading firmware from a web server was requested.
In my circuit there is a Flash Memory (M25P16). This memory communicates with STM32F103R8 via SPI.
How can I upgrade the Flash of STM32F103R8?
Please help about this subject.