@Support Dasaita  se lo avessi acquistato da una decina di anni avrei acquistato un nuovo tablet ma, visto che c'è l'ho da cosí poco tempo accetterei solo una sostituzione in gar...

@Support Dasaita I will do this as soon as possible. Thanks

@Support Dasaita Thanks, I will update as soon as possibile.This is a firmware update, right?I'm a bit confused because there is "Vivid" android launcher (basically an android app) and also Vivid f...

@Nelson Vega Sorry that the MCU is already the latest, would you kindly update the firmware. https://www.dropbox.com/s/5w50x3fqkvhiv3f/ha3_rk3399_10.0_ota%2820230302%2B%E8%93%9D%E7%89%99MCU%29.zip...

@Naveen Thomas Have you tried to forget the device on your phone and the stereo? In the meanwhile, go to Apps&Notification on the stereo and clear the cache to check if it could help.

@Travis Zetterower Please try to update the MCU(4.04) version: https://www.dropbox.com/scl/fi/9sdyk1k0hw0kleu3dbsd1/hmcu.img?rlkey=c1lkgeic6y900g0shpdquinoe&dl=0

@H H Please try to go to Settings > Factory Settings > enter 126 > and set the volume the same as the following photo.

@Gennaro Costanzo Sorry that the as to some policy issue, we have blocked the user function in some country in the latest firmware. Our technician said that they are still struggling to retain the ...

@Diego Micheli Sorry to tell you that it must be hardware associated issue, we are wondering if you could considering replace it for a new one or you want to return to our Chinese warehouse to fix it.

@John Donnelly Thank you for your patience and cooperation, we have replied your email and please kindly settle the payment of the new cable accordingly.

@Mahmoud Sultan This unit is not ours, please contact the seller that you purchased from.

@H H Hi, we just found that your MCU version is old, would you try to update the MCU first. 4.11MCU: https://www.dropbox.com/scl/fi/c1xr7zpqpham59rjv4k61/hmcu.img?rlkey=efj9n5chzyr7omhll4eqv7b4b&a...

@Corbin Adams do you get your problem fix men i have the same issue on a 14 camry

@Support Dasaita  MCU : MTCE_HA_V3.78_1 Build #rk399-userdebug 10 QQ2A.200305.004.A1 eng.hct.20210906.100623 test-keys

@Support Dasaita Thank you. The head unit is working fine now but we are still having issues with the bluetooth connections. Especially with an iphone connection. It takes a couple of tries to conn...

@Support Dasaita 

Now that I have reverted back to build number shown above, the speakers have been working without any issues. Should i still go ahead and update to the latest version?  The head unit was work...

Mine is MAX11 

Dato che avevo un pò di tempo da perdere ho provato comunque ad installare l'aggiornamento che mi avete proposto e purtroppo sul mio dispoositivo è ancora assente l'opzione UTENTE com...

@Adam Rosenthal hi, am un U.S Texas, I have AT&T but thier network says device not compatible with thier system. So, I went to mint mobile,only becuase i was able to get a mint mobile sim at be...