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This guide provides step-by-step instructions for performing an MCU upgrade on your Car AV system using a Micro SD card. It outlines the necessary preparations and reminders, including formatting the Micro SD card, extracting upgrade files, and ensuring the AV system remains powered on during the upgrade process. Follow these instructions carefully to avoid potential damage to the system. After completing the upgrade, remember to restart your Car AV system for the changes to take effect. Be sure to handle the Micro SD card cautiously throughout the procedure.
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2. MCU Upgrade Upgrade Procedure Preparations and Reminders Copy “1900@@MCU” folder into an empty Micro SD card Stuffs to be prepared before software upgrade Micro SD Card (TF Card) Car AV System 1900@@MCU.rar 1900@@MCU.rar (MCU Upgrade file) Micro SD Card (TF Card) 1900@@MCU.rar 1900@@MCU Extact the1900@@MCU.rar to get a “1900@@MCU”folder, copy this “1900@@MCU”to an empty Micro SD Card (TF Card). Upgrading After insert Micro SD Card (TF Card),you must restart the Car AV System, it will be pop up a advisory message to select and confirm upgrade. Micro SD Card(TF Card) Format the Micro SD Card in case any hidden files, then extract the file and copy it to an empty Micro SD Card (TF Card) It takes about 1 minute to upgrade, The Car AV system must keep Power on status. Car AV System Insert Micro SD Card (TF Card) Upgrading 1. During the software updating, the Car AV System must be kept in POWER ON status, otherwise it may cause permanent damage to the unit. 2. Taking out the Micro SD card(TF Card) during the software updating is NOT allowed . MCU upgrade successfully After upgrade OK, you must take out the Micro SD Card (TF Card), and then restart the Car AV System. Take out Micro SD Card (TF Card) Upgrade ok 1