Develop Bugs

I need some help please

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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

R800XXU1FUD1 NEED PLS

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THATS ALL INFO I HAD
I WANT A COPY FROM THAT FIRMWARE
THANKS FOR HELP

please help it can not update my phone

Hi,
when i flash the TRPM and the rom finish,i can not start my phone,
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please try to help me ,thank you very much!
poal

KLEN2211210CN00MR6

I need this ota room file for root access, does anyone have it, someone please help me
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