Upgrade Notes:
1. This firmware is only fit for 4G06V3.0 and its firmware version must be in v16.03.07.xx or 04.06.01.xx or more.
Note: Please confirm the hardware version in device GUI: Basic Information->Hardware Version before upgrade
2. Do not power off the device when upgrading.
3. Please unzip the file you downloaded and use the file ended with "bin" or "trx" to upgrade your device.
4. Please reset it to factory settings after upgraded it.
Release Notes:
1. Web password lock function development
2. apnlist merged into the latest version
3. Automatic maintenance is disabled by default
4. Solved the problem of ddns and dydns not being able to dial; merged the problem of ethwan ddns not being able to dial after failover mode is turned on.
5. 4G module version update
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