P10 pro ultra region lock after months of use

I bought 2 robot vacuums from Mova through Amazon Mexico and sent by Amazon US, both P10 pro Ultra, they were working great until a week ago when the app suddenly started to show that "the current region doesn't match the model" so I can't use them anymore since most of the functionality works through the Mova app. When I bought them I didn't know about region locks or anything like that, and Amazon never warns you about this. You shouldn't let Amazon to list these products be sold outside the US if you are going to block them whenever you feel like it.

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Hello, we note that you are encountering the region mismatch prompt on your two P10 Pro Ultra units. We are processing unlocking requests in batches. Please send us the SN codes of both devices together with your purchase proof via private message. We will verify and proceed accordingly.