Upgrade Notes:

1. This firmware is only fit for F9V2.0 and its firmware version must be in V12.01.01.XX or more.

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. Solved the issue that login failed if login password set as 32 bits;

2. Solved the issue the buffer overflow for SIP_ALG;

3. Added the limitation for wrong times for login;

4. Mandatory login password when enable remote Web management.