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DA1469x Software Upgrade (OTA)

TL;DR

  1. Android or iOS device transfer a new firmware image to the Flash memory
  2. the device reboots to complete the update
  3. The final verification and activation of the new image is performed by the ROM boot loader on the next reboot.

Flow

1. Write Initial Image (Non OTA)

write initial image (Product Header + First Firmware Image)

2. Android or iOS device transfer firmware

Android or iOS device transfer firmware next to previous image

Android or iOS device send newer firmware image to Device and that will written next to previous image

3. Product Header points new firmware

Product Header disconnect previous image and points to newer image

Simply change reference from previous image to newer image

Reference

Dialog Official Document