How to Upgrade Firmware for T2C Without a SIM Card?

Method 1: Mobile Phone Connects to T2C WiFi

1. Power on the T2C device.

2. After 40 seconds, the device will activate the WiFi network (AutoKit_xxxx).

3. Connect your mobile phone to the T2C WiFi network (AutoKit_xxx) using the default password (88888888).

4. Ensure your mobile phone has an internet connection. If prompted, select "Use Cellular Network" to access the internet.

5. Open the browser on your mobile phone and enter 192.168.3.1 in the address bar.

6. Scroll down to the bottom of the page. If an update is available, it will be displayed here. Click on "Update" to proceed.

Method 2: Mobile Phone Connects to T2C Bluetooth

1. Power on the T2C device.

2. Enable Bluetooth on your mobile phone and search for the device named "AutoKit_xxxx".

3. After 40 seconds, a notification will appear on your phone. Select "Use CarPlay" to establish the connection.

4. Open the browser on your mobile phone and enter 192.168.3.1 in the address bar.

5. Scroll down to the bottom of the page. If an update is available, it will be displayed here. Click on "Update" to proceed.

*During the upgrade process, the red LED on the T2C device will blink alternately.