Hi @dwang11 the ARRIS device is only the cable modem that interfaces the incoming HFC co-axial cable to the WAN connection on a separate router, it does'nt have any Wi-Fi functionality. The Wi-Fi password for your router will be printed on a sticker either on the rear or underside of the unit.
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The Wi-Fi name & password is indicated on the sticker at the back of your TP-Link router.
It should look like this:
For reference, you may also visit this article on how to set up your NBN HFC connection:
Should you wish to change your W-Fi name and password, you may follow the steps from this article:
For additional assistance, please don't hesitate to reach out to us again.
ARRIS box is not a router so you won't be able to connect your smart phones to it, you'll need a router to connect to the ARRIS BOX and use it's Wireless network for your modem/router.
But our ones are a little different there's no password in the bottom. It's a Arris CM8200B, it's connected to everything but I wanna know how do I connect it to my phone.
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Thank you for showing your interest with our service. We did an article that you may find helpful, this will guide you on how to choose TPG NBN Plans.
See link below.
Guide to choosing the best TPG NBN Plan for you
Should you need further assistance, feel free to search community for help or chat with us at https://www.tpg.com.au/support/contact/ and we'd be glad to assist you.