optiPoint 150 S Software Upgrade Methodology
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Please download the firmware. Follow the procedure to do the software upgrade for each phone device. For mass deployment read here.
Web page login account: admin/123456
Upgrade via Web page (TFTP)
1. All files must put into proper TFTP server folder.
2. Click "Utilities" > "Upgrade" to enter firmware upgrade process.
3. Input TFTP Server Address and TFTP Download File Name.
4. Press "Confirm" button to activate firmware upgrade process.
5. Press "Restart Terminal".