Develop Bugs

I need help pls

Hi everyone I have this head unit and I want to upgrade Android version what shall I start from
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Up

Hello all of you, I have XY Auto Android BM_12 A System. Is this genuine Android 10.1. Why AM radio not available in this. Can I change Os, how? Pl

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Android security update didn't installed

When I download and update my vivo v21e. Download process complete but it's didn't installed. Screen stuck on vivo logo. What's the problem. For reference I enclosed screenshot of update.
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Android update

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Hello im looking for an update to my head unit
My version is showed on photo
Do you have any link to newest version?

Need help with my A70

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Guys what does this mean... and i am installing ppui 13 and when entered this showed up
PPUI Android 13 download link
i have samsung a705fn (A70)
which one to install

PPUI isn't compatible