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@murat ozcetin Sorry for the mistake, we would like to tell you that we don't have firmware for Android 7 model, please don't update the Android 10 firmware attached as well. Your issue maybe softw...

@Trey Simmons We would like to tell you that wireless zlink not working is also chipset issue, so it should not be firmware update that bricked your radio. We sent you email, and you could kindly ...

@Support Dasaita it is unfortunate. The unit worked before trying this firmware upgrade. It just didn't have android wireless. Since your recommendation is what bricked my unit, will you consider r...

@murat ozcetin Sorry that we don't have newer MCU version for your radio currently, if you update the following firmware but no luck to get the problem resolved, we suspect it's mostly hardware-rel...

Dear @Trey Simmons, As the firmware update did not resolve the issue, the problem appears to be with the core board. Therefore, we would recommend upgrading to the new G13 series. We sincerely ap...

@Support Dasaita and what if the problem persist with the G13 radio?? I am reading in several forums thar heat unit firmware need to be updated due to the protocol and handshake changes that Apple...

HelloI have this Radio since 2020, and now stopped working, which firmware I should update?  

@Domenico Coccaro Firmware(20251203): https://www.dropbox.com/scl/fi/is76r0f57wxmb4ror5aiq/hct360_SC138_V1_13_-20251203-ota.zip?rlkey=qyeh5ay402ztosbv0hf4ahy2z&dl=0 Please download the a...

I have the Vivid 13 in my Tacoma. I have notice that after prolong use of the heater in the truck  or general warm temperatures out side causes the head unit to get warm. As a result the ...

@Lwmatt11 Please kindly update the firmware to the latest version. Build: zst27_sc138_13_V2(20251031) Supports IOS26. Download: https://www.dropbox.com/scl/fi/eo78wxbu8oh59jp8d...

@Support Dasaita thank you for the response.  Yes when it is at "0" when the fader is all the way down, the sub is barely audible. It would not make any sense that I have to turn the fader all...

@Scott Microphone IssuesThere are two common scenarios related to microphone performance:1.）Hardware-related: In some units, the internal microphone may not be properly soldered, which can lead to ...

It appears that many users are having this exact issue. The latest version on the download page is 20251030, however the images above shows a 20251031 version. The user reported that the microphone...

@Luke Woods You could try the firmware below. Build: HA3_rk3399_10.0_ota(20230803) Download: https://www.dropbox.com/scl/fi/sy068zz4tgokutkfhuwkt/update.zip?rlkey=uuhukuun3882rz...

Hello, I have installed a G13 in my Tundra.  It works good except the radio reception is only 2 close stations. I checked the antenna and get good reception when temp hook up the factory radi...

@Support Dasaita Each time I reinstall a new firmware version I do those things and there are not improvements. If you say it is a hardware problem... what can we do???   Best regards

@Shmuel Sami Hadad Hey the one you put a "X" on it is the latest Vivid13 which is also Android 13. We don't have firmware which is newer than your previous one.

I just installed the Vivid 13 screen into my 2017 Silverado and followed all the instructions for RPO code I06.  I installed the adapter behind the glove box for the OEM backup camera and conn...

@Support Dasaita Yes, I loaded the HCT firmware image.  I will get you the entire build number.

Purchased G13 from Amason Jan 2/2026. Time is stuck on China time. Factoryreset is still the same. Updated firmware, time is still stuck on china time. Amazon order : 112-4580760-8938622