@pauljebastin , Thanks for posting in our Q&A. From your description, I know we can't access the Samsung Galaxy A32 because of forgetting the PIN. We have tried rest passcode, wipe action but it is not working. And you want to know if there's any method to do a factory reset. If there's any misunderstanding, feel free to let us know.
For the action performed on Intune side, Intune will send the action command. Currently, it seems the device has issue to receive this. Given the situation, I have done some research to see if there’s any method to do the factory reset manually. After researching, I find maybe we can erase the device remotely with Find my mobile. Here is a link with more details for the reference:
https://www.samsung.com/au/support/mobile-devices/how-to-perform-a-factory-data-reset-on-my-mobile-device/
Note: Non-Microsoft link, just for the reference.
Hope it can help you
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