T3l.3.19 Update -

When the bar hit 100%, the unit rebooted. The logo glowed brighter than before. The driver climbed in, shifted into reverse, and the camera feed snapped to life instantly.

The T3L.3.19 version specifically refers to the MCU firmware found in many universal 7-inch to 10-inch double-din units. This update is often sought after to fix: Resolving background noise or static. t3l.3.19 update

Comprehensive Guide to the T3L.3.19 MCU Update for Android Car Stereos When the bar hit 100%, the unit rebooted