Upgrade Notes:

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

2. Do not power offthe device when upgrading.

3. Please unzip thefile 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 issuethat login failed if login password set as 32 bits;

2. Solved the issuethe buffer overflow for SIP_ALG;

3. Added thelimitation for wrong times for login;

4. Mandatory loginpassword when enable remote Web management.