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Manual Update from Android 10 to Android 12

FP_at_Malua
Star II

Hi gurus. 

My Rog 3 is a tencent games and still on Android 10 with no fota update option, which I assume means it is a Chinese version flashed with global.

Australia is turning off 3g and my carrier (Optus) is saying it will not work as VoLTE is not supported. I am hoping that if I update it manually to Android 12, there could be additional functionality that may enable me to access VoLTE or force VoLTE using *#*#3642623344#*#* (hopefully)?

My questions are:

1. Will updating to Android 12 give me VoLTE functionality?

2. Can I update from Android 10 directly to Android 12 or do I need to go to Android 11 first? 

Any other comments/suggestions greatfully received 🙂 

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