@AGTess There have been some concerns when the internet is down like this one but I believe your local network should still work properly - loot at this feature request. Regarding Deco IoT network...

@Bhima Follow this guide for accessing your DSL router web management page.

@AngeMcB Try this video guide for troubleshooting your issue.

@M-N_0915 Have you tried these wireless settings for C60: These are pretty standard settings and your mobile shoud recognize the 2.4 GHz band - it supports Wi-Fi 802.11 a/b/g/n/ac. If you still have...

@Leyouyuan Did you follow this video guide for configuring TL-WA850RE. Try that if you didn't. If this still doesn't work for you try configuring the RE via web browser - here.

@MadBlade Usually REs copy the host wireless network password to the extended network - check this post. If you want more flexibility you can get Archer C54 which has a range extender mode and you...