Any guidance on things to do before commiting to image with mcuboot?

I'm working on formalizing our DFU process.  We're building on Zephyr and using mcuboot as the bootloader.  We're using ble to transfer the images over smp and then our current plan is that once the app is updated, the device that did the update would reconnect and confirm the update.  Do you have any guidance for things we would want to verify before committing an image?  Or would just connecting and making sure the smp service is there be enough?

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