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No man. That's no the function of the developers option. What you just described is
second space and it is available in some Redmi, Samsung, Oppo and Poco android phones.
"
Second Space is a feature in MIUI (Xiaomi's Android-based operating system), creates a separate, independent environment on your phone, essentially giving you two separate "phones" in one. It allows you to have different apps, files, settings, and even a different unlock method, all within the same device."
https://nothing.community/d/2759-second-space-miui/2Mate what you explain is clone function, is different from what i posted, that feature you talk about is phone cloning is quite different from the developers function that gives you more privacy control if you switched to that option.