I had a Xiaomi phone that I used on AT&T until they implemented a whitelist that forced me to get a new phone. I’m thinking about getting a new phone in the next year or so but if I wanted a Xiaomi phone again I’d have to likely switch carriers. Any shot of one of these phones working on T-Mobile or something? I know Verizon is also highly unlikely and AT&T is a no-go. I like my Pixel and everything but damn I miss how good that Xiaomi phone was.
You can probably get away with it on any carrier judging by my experience, either by activating a whitelisted device then SIM-swapping (has so far always worked for me on verizon with unapproved devices), or calling and playing a little hardball with the customer service people like this guy did on AT&T: https://youtu.be/qZqp9EXYNjU?t=801
But yes, t-mobile and their MVNOs should work fine as long as it has the right bands, I’ve used random devices on tmobile and mint mobile with no hassle
more possible at&t tricks listed on here: https://old.reddit.com/r/Xiaomi/comments/x6g2ve/xiaomi_phones_do_not_work_on_att_in_usa/jye7xrd/
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Not 100% sure, but Tmobile and MVNOs running on their network should still be fine.