ZyXEL Communications P-660HN-T1A v2 Update Instructions

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Update instructions for Zyxel P-660HN-T1A v2 modem (for Sonera subscribers)

This update fixes a vulnerability found in TR-064/TR-069 remote management protocols,

which is a potential security risk and might cause the internet connection to become

slow. During this update procedure, any user made changes to the settings will be

removed. This, for example, includes the wireless network name (SSID) and the wireless

password. This update and these instructions are only for devices used under Sonera

subscriptions.

Note: The pictures in these instructions might differ from your device.

Update procedure:

1. Connect a PC to the modem either wirelessly or by using an Ethernet cable.

2. Download the update to the PC from the following link:

http://support.zyxel.fi/P-660HN-T1Av2/200AAFW4D0.bin

(Alternative link: goo.gl/pDScmC)

The download location/folder does not matter.

3. Unplug the telephone cable (RJ-11) from the modem (DSL-port)

4. Turn off the modem by pressing the on/off button. Wait for 5 seconds and turn the

power back on by pressing the on/off button again. Wait for the modem to start.

If any issues occur during the update, please contact Zyxel Support: Tel. +358 9 4780 8411

(During workdays 10-12 & 13-20. Normal telephone charges apply) or email: support@zyxel.fi.

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Page 1 Update instructions for Zyxel P-660HN-T1A v2 modem (for Sonera subscribers) This update fixes a vulnerability found in TR-064/TR-069 remote management protocols, which is a potential security risk and might cause the internet connection to become slow. During this update procedure, any user made changes to the settings will be removed.
Page 2 www.zyxel.fi 5. Reset the modem back to factory default settings by pressing the reset-button on the back panel of the device. The button is in a small hole, you will need a small sharp object to press it, for example a paperclip or a toothpick. Press the reset button until the lights on the front panel flash together briefly.
Page 3 www.zyxel.fi 8. The next window will ask you to change the password. Change the password by typing and confirming it to the fields shown and click Apply. Note: This will only change the device management password, not the WLAN password. 9.
Page 4 www.zyxel.fi 11. When the update file has been chosen, click the Upload button 12. The modem will now update itself and restart automatically. 13. When the modem has restarted, reconnect the telephone cable (RJ-11) to the modems DSL-port. 14. Wait for a couple of minutes. a.