====== Head unit hardware & OS ======

^ Property ^ Value ^
| SoC / board | Freescale **i.MX6 Dual/Quad**, SABRE-SD (''sabresd_6dq'', model ''SABRESD-MX6DQ'') |
| OS | Android **4.4.2** KitKat (API 19) |
| ABI | **armeabi-v7a** (apps need minSdk ≤ 19, no arm64/x86 native libs) |
| Kernel | ~3.0.35, **board-file** based — no device tree |
| Root | Rooted (SuperSU + exploit apps). ''ro.adb.secure=0'' |
| Vendor apps | ''com.adayo.*'', ''com.haoke.*''; launcher ''com.adayo.ui.launcher'' |
| Display outputs | **2** video outputs (LVDS + HDMI) driving 4 physical dash panels |
| Companion MCU | UART ''/dev/ttymxc3'' @115200 — bridges to the vehicle CAN bus |
| Cellular | Quectel LTE module inside the **TBox** (not driven by Android) |

The head unit runs the infotainment UI only. Anything safety- or vehicle-related goes through the
**companion MCU** (see [[canbus]]) or the **TBox** (see [[connectivity]]).