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Can't connect to home Wi-Fi network

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Hi, I have a Yezz Andy 4E smartphone and am running Android 4.2.2 .2 days ago I started experiencing connection issues. I can't connect to my home router. I get a message, which says "Avoided poor internet connection." What I've tried is to plug the router off and on again after 20 seconds. I had also forgotten the network and entered it again. I wiped cache and deleted DRM licenses. None of these things worked. I can connect to another Wi-Fi network. Any help would be greatly appreciated. P.S. I don't have the option to "Avoid poor internet connections"
 
What brand and model router to you have?
You might want to just do a complete reset of the router (often a recessed button in the back panel that you'll need something like a paper clip to press, or sometimes an option the router settings page). If you do a complete reset that returns the router back to its original, out-of-the-box state, and than you just set up and configure a whole new SSID (WiFi network name) and password.
 
My router is Easybox-804 from Vodafone, Germany. I changed the SSID(Wi-Fi name), but that didn't work.
 
I've had that happen a few times when my neighbors would upgrade their own equipment, especially with high power 5GHz signals. Check out an app like WiFi analyzer to see if your home signal is being overpowered by another close by on the same channel. In that case you can change the channel(s) of your network and see if that helps.

If there aren't other networks nearby, then your equipment might be failing. Can anything else connect to the router wirelessly?
 
There are 2 laptops, both of which can connect and are connected, and another Smartphone(Leagoo M8), which can connect. My router is set to channel 9.
 
And when you started having this problem, you hadn't changed anything on your router or done any updates on the phone?

You might try turning off scanning for open networks and making sure the firmware on the router is up-to-date. I'd also point out that KitKat (4.X) is pretty outdated.
 
When I started having this problem, I hadn't changed anything on my router and I had only updated all my apps through Google Play. I haven't updated my Android OS.

I turned off scanning for open networks and still can't connect.
 
Taking into consideration other devices aren't having the same problem perhaps focusing so much on your home network isn't the issue. The specs on your Yezz are pretty minimal so I wouldn't be surprised if that phone is the source.
https://www.gsmarena.com/yezz_andy_4e_lte-7130.php
https://www.phonearena.com/phones/Yezz-Andy-4E_id9529
You did mention your Yezz could connect to another WiFi network, but just to confirm was this a matter where it definitely was able to connect to this other WiFi network or just a matter where it only detected the presence of this other WiFi network?
And not to get too basic but while you listed some things you've tried with your router, have you just powered off your Yezz and restarted it? As it has a removable battery you might also want to just power it off, remove the battery for a several minutes, and then just put it back together and reboot it.
 
One other thing to look at would be the number of DHCP leased clients permitted by your router. If it only makes a range of IP addresses from xxx.xxx.xxx.120 to xxx.xxx.xxx.130 you only can have ten devices connected at any one time, and if you have a lease renew set to longer than a few hours, your router may be holding on to those addresses and not serving new ones. That would account for the attempt to connect but ultimately failing.
 
"You did mention your Yezz could connect to another WiFi network, but just to confirm was this a matter where it definitely was able to connect to this other WiFi network or just a matter where it only detected the presence of this other WiFi network?"

It was able to connect to the other WiFi network.

"And not to get too basic but while you listed some things you've tried with your router, have you just powered off your Yezz and restarted it? "
I had powered off my Yezz and restarted it, and also cleared cache and deleted DRM licenses.
 
lunatic59 said:
One other thing to look at would be the number of DHCP leased clients permitted by your router. If it only makes a range of IP addresses from xxx.xxx.xxx.120 to xxx.xxx.xxx.130 you only can have ten devices connected at any one time, and if you have a lease renew set to longer than a few hours, your router may be holding on to those addresses and not serving new ones. That would account for the attempt to connect but ultimately failing.
Click to expand...
Hi, I've reset and reconfigured my router, and I also changed the channel from 9 to 7. Now I can connect through my phone.
 
svim said:
What brand and model router to you have?
You might want to just do a complete reset of the router (often a recessed button in the back panel that you'll need something like a paper clip to press, or sometimes an option the router settings page). If you do a complete reset that returns the router back to its original, out-of-the-box state, and than you just set up and configure a whole new SSID (WiFi network name) and password.
Click to expand...
This worked, thanks
 
lunatic59 said:
One other thing to look at would be the number of DHCP leased clients permitted by your router. If it only makes a range of IP addresses from xxx.xxx.xxx.120 to xxx.xxx.xxx.130 you only can have ten devices connected at any one time, and if you have a lease renew set to longer than a few hours, your router may be holding on to those addresses and not serving new ones. That would account for the attempt to connect but ultimately failing.
Click to expand...
Hi, my phone can't connect to the Wi-Fi network again, as the range of IP adresses permitted by my router has exceeded it's maximum number. My home Wi-Fi network is hidden. Is there a way to configure the router in such a way, that it doesn't collect multiple IPs for the same devices? There are 2 laptops and 2 phones on which Wi-Fi is used, and yet in my routers settings more than 10 IPs are shown, which are all named "Android". The other smartphone can connect to the Wi-Fi network, but the older one can't.
 
whois1230 said:
Hi, my phone can't connect to the Wi-Fi network again, as the range of IP adresses permitted by my router has exceeded it's maximum number. My home Wi-Fi network is hidden. Is there a way to configure the router in such a way, that it doesn't collect multiple IPs for the same devices? There are 2 laptops and 2 phones on which Wi-Fi is used, and yet in my routers settings more than 10 IPs are shown, which are all named "Android". The other smartphone can connect to the Wi-Fi network, but the older one can't.
Click to expand...

A crappy router I think. Buy a better router, or see if the current one you've got can be upgraded to OpenWrt firmware... https://openwrt.org/
Which has a much larger DHCP pool of available IP addresses, and doesn't needlessly allocate multiple IPs to one device.

FWIW a friend of mine had a crappy TP-Link router, which would crash the instant the Mac version of Transmission bittorent was started.
 
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