How to Backup Android Car Stereo Firmware : Full Stock ROM Backup 8227L

[@ivrj]

can you detail usb-a to usb-a adapter ? you just connect cross tx-rx and rx-tx and ground to ground ? except 5+ ?

[@setnfix]

No cross. 5+ to 5+, ground to ground. D+ to D+ and D- to D-

[@ivrj]

@@setnfix I try this but spflash tool is not recognizing the first step (read memory). I already install legacy drivers. My head unit is a yt7212b ( AC8257 cpu). I try read memory with yours scatter file. I found the 8257 scatter file, but Memory Tab show different parameters. Any idea? How I can know that my computer is recognizing the device ?

[@ivrj]

there is anything extra that I need to do? like shotcut some circuit point to sp flash tool detect device?

[@ivrj]

@@setnfixfound the problem! I need to use 6pin usb. Now computer detect headunit when power it on.

[@jesusdg8746]

hola , tengo un problema al actualizar mi auto estereo me da mensaje de error a la mitad de la instalación ¿alguna solución?

[@setnfix]

Descargue el archivo de actualización correcto.

[@drstiven1466]

Hola.! No veo el link del firmware

[@setnfix]

I will try

[@MuhammadHaroonUrRasheed-el9ve]

Does this have Carplay in it?

[@setnfix]

Yes, that player has

[@MuhammadHaroonUrRasheed-el9ve]

@@setnfix so if i flash this ROM on the 8227l, that'll bring the carplay up?

[@LittleBieber]

Can i back up all cars' android fw from this

[@setnfix]

You can backup your firmware

[@lilodeck]

Podrías enviarme el firmware para flashear?

[@setnfix]

Por favor, revisa el enlace en el primer comentario.