FREE UNLOCK · BYD

Unlock the BYD Seal U
for free.

On the Seal U — the Song Premium in Brazil — DashArc uses the same 12.3″ layout as the Song Plus, with the factory head-up display untouched.

The DashArc Unlocker opens the BYD Seal U head unit for free and on its own: it runs BYD's verification, turns on ADB, opens the APK installer and installs DashArc. No root and no computer.

Download DashArc (BETA)↓Unlock the head unit ↗

How to unlock, step by step

Download the DashArc Unlocker (free) and copy the APK to a USB drive, into the folder for your head unit's region.
Install the Unlocker on the head unit through BYD's app installer, with the car parked.
Open it and tap Unlock, grant the permissions and enable the DashArc Unlocker under Accessibility.
Done. It runs BYD's verification, turns on ADB, opens the APK installer and installs DashArc on the BYD Seal U head unit.

See the full Unlocker walkthrough, with screenshots and troubleshooting.

After unlocking

Once the BYD Seal U head unit is unlocked, the DashArc store installs YouTube, Netflix, Prime Video, WhatsApp, Instagram and any Google Play app — so passengers can watch with the car in use, even while moving. DashArc also brings Waze to the cluster, shows live cameras on your phone, records dashcam and sentry footage and controls the car remotely.

Install YouTube and Netflix → · All features →

See all DashArc features on the BYD Seal U →

Frequently asked questions

Can I unlock the BYD Seal U for free?

Yes. The DashArc Unlocker is free and unlocks the BYD Seal U head unit on its own: it runs BYD's verification, turns on ADB and the APK installer and installs DashArc.

What can I install on the BYD Seal U afterwards?

The DashArc store installs YouTube, Netflix, Prime Video, WhatsApp, Instagram and any Google Play app on the BYD Seal U head unit, so passengers can watch with the car in use, even while moving.

Does it work on the BYD Seal U head unit?

The Unlocker was tested on DiLink 3 head units (system 13.1.33, 2026 models). On other head units the steps may vary; see the regional unlock guide.

Tested on DiLink 3 head units running the 13.1.33 system family, on a 2026 vehicle. Not yet tested on 2027 models. Installing third-party apps on the head unit is at your own risk; not every feature may be available on your vehicle.

DashArc is an independent app. References to BYD, Waze and Android Auto identify the vehicle platform and integrations; they do not imply partnership or endorsement.

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