(For IN)D303 Firmware V5.2.1.9_EN

Related products:D303

1.Incorrect upgrade will damage your device.

2.Please upgrade your device by cable connection.

3.Do not power off the device when upgrading.

4.This version improved compatibility of 3G dongles.

5.Please unzip the file you downloaded and use the file ended with "bin" or "trx" to upgrade your device.

6.After upgrading, please restore it to factory defaults and configure the device again.

Contact Us:

Update Date:2025/1/21
Please contact us if you have questions  
sales.ksa@tenda.cn