[Vivo X90 Pro Plus] extremecarver:
That's the main reason we are having different opinions. Google, apple or Microsoft don't have or use your actual data, they have your metadata.

Simple test, log that push services activity and then file a data retrieval complaint with all organizations identified via IP address of having received Data. Besides impossible because your phone is contacting them without you agreeing hence no data processing agreement hence them not able/willing to tell what data they have, vivo report clearly lacks huge parts of the Data they collected about you.

And several IPs contacted actually belong indirectly to the Chinese state so you cannot even contact these organizations.

First of all the number of requests is crazy, second they don't follow rules applicable to users that are in US or Europe. Yes the phone isn't supposed to be sold outside China, but thise rules apply to presence not citizenship or similar. If someone followed through the legal things could get those companies or their servers banned in both US and Europe. The way the phone sends out data is also in clear disregard of the privacy policy they make you accept after hard reset or first use, besides that policy already having many terms in conflict of law for people being present not resident of US/EU.

And again with Google it's very transparent what data they have and what they don't. You can export all your data on one hand, and on the other hand it's easy to see when you want advertise how you can drill down so knowing what data they have and what it allows.

Both is not possible for the way origin OS works. You cannot get data exports from the organizations behind the IPs contacted and the vivo data export is clearly lacking (yes I requested one) and completely not in accordance to what push services, vivo account and appstore are sending out. And yes unlike the older versions where it was possible to stop this from happening now it turns your phone into a toaster if you try so.

VPN settings:

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The not working data saver mode because unlike the description vivo system apps are all excluded

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Also hidden the data saving mode isn't removed from origin OS. It's just destroyed.

Read the text. At the bottom. It says frequently used social, music and, maps apps are excluded. While in reality only vivo preinstalled spyware apps are. Google maps or whatever is installed layer and actually frequently used will not be excluded. Also it says whitelisted by default yet you cannot unselect any of those system apps. Actually it's easy to see, all preinstalled services and apps that are not chosable here, are also the ones that by default circumvent your VPN. Carlife and childcare nano kit which are in the list therefore are some of the few Vivo apps you can block.

In addition to setting up VPN as shown above setting up Adguard like this and setting firewall for all vivo apps but especially push services will turn the current firmware phone into a toaster.

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With the previous versions above settings after debloat were fully working and push services gave up and therebye battery life was better than anything possible on the current version. Now the only way is to allow push services to send out data otherwise it will toast the phone. Besides that you need about twice as much data allowance because all data any app sends more or less will be pushed to China servers too.