Upgrade Notes:

1. This firmware isonly fit for 4G06V1.0 and its firmware version must be in V16.03.07.XX or more.

2. Do notdowngrade to lower version. If do, it will not allow to change theconfigurations even damage the router.

3. Do not power offthe device when upgrading.

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

5. Please reset itto factory settings after upgraded it.

Release Notes:

1. Solve the problem that Romania Telekom card(226,03) cannot switch back to 4G after executing USSD or dialing voice

2. Set APN directly to the first channel, anduse the last configuration after restarting.