inputs.text: love functionality android performance not great functions falsely advertised - confusion no documentation got ga5151 installed 2004 mazda 3 used 3 weeks love functionality android tablet head unit use phone mobile hotspot use maps waze pandora etc update wifi functionality often not work 510 minutes start screen mirroring not work since advertised function tehempted send back china tried connecting note 4 s3 galaxy tab kindle fire no success get work update able use steering buttons functionality radio application not user friendly sounds horrible strongest signal stations not use radio much anyway boot time 12 minutes reconnecting wifi connection trip even slower want listen pandora 5 minute trip store spend route silence trying get start no included documentation pdf installed unit difficult understand little use assume advertised functionality dimming display headlights would work wired properly not apparent not figured connect old lcd sits top would work usb flash drive not limited 16gb connected 128 gb thumb drive no problehem not found advertised option changing 86 opening logo splash screen changing 9 led button lighting colors overall still like functions stock radio not disappointed advertised functions not work installation tips 1 loosen side brackets hu allow holes lcd module top align holes side brackets 2 bottom unit not sit flush intothe environmental control module may carefully rehemove clips old unit use ga5151