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How can we do OTA upgrade on STM32F MCU connected to GSM/GPRS module also have 64 MB flash connected to it ?

Question asked by Davy Jones on Jul 7, 2017
Latest reply on Sep 18, 2017 by Davy Jones

We have IOT devices in the field ? we want to do OTA upgrade .

We connect to the device with help of GSM/GPRS shield it also has 64 MB on board flash for bulk data ?