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4. Bluetooth Upgrade

4. Bluetooth Upgrade. Upgrade Procedure. Preparations and Reminders. Copy “ 2750@@BT ” folder into an empty Micro SD card. Stuffs to be prepared before software upgrade. M icro SD Card (TF Card). C ar AV System. 2 750 @@ BT.rar. 2750@@BT.rar (Bluetooth Upgrade file).

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4. Bluetooth Upgrade

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  1. 4. Bluetooth Upgrade Upgrade Procedure Preparations and Reminders Copy “2750@@BT” folder into an empty Micro SD card Stuffs to be prepared before software upgrade Micro SD Card (TF Card) Car AV System 2750@@BT.rar 2750@@BT.rar (Bluetooth Upgrade file) Micro SD Card (TF Card) 2750@@BT.rar 2750@@BT Extact the2750@@BT.rar to get a “2750@@BT”folder, copy this “2750@@BT”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 8 minutes 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. Removing the Micro SD card(TF Card) during the software updating is NOT allowed . Bluetooth upgrade successfully After upgrade OK, You must remove the Micro SD Card (TF Card) immediately, the Car AV System will restart automatically . Remove Micro SD Card (TF Card) Upgrade ok 1

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