In the event you’ve been experiencing the dreaded “!” error in your Android Lollipop Wi-Fi connections, Jack Wallen has an answer that can repair the problem.
Editor’s word on March 18, 2019: This text was first revealed in October 2015. Since then, we now have added a disclaimer and up to date the associated sources.
In the event you’re operating Android Lollipop, and also you depend on Wi-Fi, you will have in all probability witnessed the dreaded “!” exhibiting up in your Wi-Fi notification. What does it imply? How do you resolve it? The doable options are many, however that is the one resolution I’ve discovered that really works. A caveat to this resolution is that it requires you will have a little bit of details about the wi-fi community you are having points with.
Why is that this taking place? One of the best (and solely) clarification that Google gives is that there is a downside speaking with the wi-fi community. Yeah, I do know that is not a viable reply.
SEE: BYOD (bring-your-own-device) coverage (Tech Professional Analysis)
To unravel this problem, we will set a static IP deal with for that individual Wi-Fi deal with. Which means that you will must know an out there deal with on the LAN, the gateway deal with, and the DNS deal with(es) for the community. Observe: You should utilize Google’s default DNS addresses of eight.eight.eight.eight and eight.eight.four.four.
This isn’t the perfect resolution, however it works. This is what you want to do.
Open the Settings in your Android system and go to Wi-Fi. Find and long-press the wi-fi community in query, after which faucet Modify community. Within the ensuing pop-up, faucet Superior choices, after which choose Static from the IP settings drop-down (Determine A).
Setting a static deal with for a Wi-Fi community on a Verizon-branded Nexus 7.
Enter the mandatory info for the community, and faucet Save. As soon as you have performed that, restart your system. When the system restarts, drag down the notification bar to disclose the identical community with out the dreaded exclamation level.
Sure, you will have to do that similar factor for all wi-fi networks you join with that occur to be plagued with the “!”. I am hoping that the improve to Marshmallow will resolve this problem as soon as and for all. Till then, a easy static IP deal with will repair what ails your system.
Disclaimer: Beginning with Android Pie, it’s not doable to configure DNS on a per-connection foundation. With Android 9.zero (and going ahead), DNS is about globally from Settings | Community & Web | Superior | Non-public DNS. On this configuration possibility, you will need to use a Absolutely Certified Area Identify (FQDN) of a Non-public DNS service reminiscent of CloudFlare.