You’re joking right?
https://www.forbes.com/sites/thomasbrewster/2020/04/30/exclusive-warning-over-chinese-mobile-giant-xiaomi-recording-millions-of-peoples-private-web-and-phone-use/
https://www.cnet.com/news/xiaomi-defends-data-practices-after-being-accused-of-tracking-private-phone-use/
https://medium.com/@hadiyarajesh/how-xiaomi-collect-huge-data-from-its-devices-and-how-to-stop-it-7fd42f3841c0
And I don’t just mean Xiaomi tracking. I mean if you use Google services you’re haemorrhaging personal data to them as well. My question was if you disable all of this, including Google services, is the phone still useable. Reg did a review on one recently which was useless after it had been defanged.