@Salvatore Noschese NEVER. Read my post about MCU upgrading.... Acronyms are related to specific manufacturer of the unit.. Mtce units, even they are the same system could have different ha...

@Brian Wright go to Settings>factory settings (password 126) and you will find a tab for volume settings (system/Bluetooth/...) ... Adjust the system volume to a lower level

@Brian Wright you have installed a vivid ROM or vivid launcher...that "radio setting" is a music widget from vivid launcher.... You can remove it on the vivid launcher settings....

@Salvatore Noschese Finally I made it to 11. I didn't use type C adapter this time and move to a clean Windows 10 computer. Install all the drivers, went through very well for the first several ste...

@Salvatore Noschese Thanks yes that the latest i installed. For Android 10 to Android 11. Does it need to be Max 10 to upgrade. I have try to run the factory tool to upgrade my vivid 10 the system ...

-- doubled post / sorry / connection issue --

I've an mtce_ha, can i upgrade to mtce_mx?  What is "ha / mx"? Ty.

Hi, here mtce release is 3.78, but i found an MX release on xda 3.82 Is this compatible with by mtce_ha device? Ty.

@TK Zhang go here for latest firmware https://www.dasaita.com/community/forum/topic/36770/firmwares

@TK Zhang there is a newest release. i seen also u have 3.8mtch MCU. i have 3.78mtce (but this depend by device).

@Salvatore Noschese 

@Salvatore Noschese I did reset with the small pin hole press it for few second. It get me in to factory screen. try reset and recovery it still does not work. yes i have lastest firmware dated 03/...

@TK Zhang do u already have latest A10 firmware and mcu release? If yes, A11 atm seems to be oldest than A10 release (see date in file name). And, indeed, latest A10 work best for me than A11 relea...

Ok

@Salvatore Noschese Thanks. yes my unit is rk3399. my unit radio tunner doesn't work anymore i don't know that is unit bug or not. Even i flash my firmware to max 10. It still doesn't not work.&nbs...

@TK Zhang if your unit is an rk3399 (like from my previous screen), why not? Some time ago i switch my rk3399 from max 10 to Vivid(still 10) and comeback to max10, now to max11.

@Karol Karol yes my stock radio just regular anntena plug with XM radio plug but this unit does not support XM radio. It is not  cube like yours. IT is like is like male plug on the other end ...

@Iker Gomez Is this only fore Max 10 units. Can you install this on vivid 10 unit?

@TK Zhang  I thought maybe it was like me. For me it's this cube

When I bought, i found an issue with canbus. Contact support via AliExpress chat, send immediately new canbus + new extra cable set (unused). Also for me issue with USB cable just because in my Toy...