Since updating to Lollipop my GS5 will not hold a WiFi connection for more than a minute. It jumps back and forth from LTE to WiFi and is very frustrating. Since the update I noticed the battery runs a little hotter as well. I did do a factory reset to have a clean 5.0 install but no luck with the WiFi issue. (all other devices in my home do not have this issue so it is not a router, modem or service issue). I seem to recall reading that the 5.0 version released in other countries had the same issue, as well as the Nexus devices in the USA which was resolved in 5.0.1 or 5.0.2 which makes me wonder why we received 5.0?
I'm also bothered that the Spark connectivity issue still has not been resolved after all the known feedback from users. I had to disable Band 41 once again just to get a solid LTE connection and to go from 1 bar connectivity to 5. (and yes, I live in a solid Spark / HD Voice area with no tower issues)
What's going on Sprint??
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I have the same issue. Just updated to lollipop today and phone keeps toggling wifi and lte. I have multiple wifi networks that i use in different location's including optimum (cable company) free wifi hotspots. So the router solution below is pretty much impossible. I did switch off the network optimization, no help. I turned off moble data and wifi holds steady never looses signal as far as i can tell. To test i watched a movie on Netflix. So my conclusion is that there is an issue with the update. oh yes i did the same thing with wifi turned off and moble data switched on, lte worked fine. With both turned on they toggle back and forth which becomes an issue in speed and lost network errors and also seeing the message on screen every few minutes "connected to name(WiFi)network". Please advise on what can be done. I also tried automatic and lte/cdma to no avail.
Just wanted to chime in and say that there are two similar settings that people may be confusing. 'Network Optimization' and 'Smart Network Search'. For me, the first one pops up on it's own to be turned on/off and the second I have to dig for. It was only until I unchecked the SNS did my WiFi stabilize.
Settings - WiFi - Settings (top right) - Advanced - turn off SNS
Hope this helps..
I had both disabled and continue to keep them that way, as I use wifi at home. I WILL need to use these later, though, when I leave the house (I don't leave the house daily)
I think the servers were overwhelmed by the LP update and the usual PRL or Profile system updates that take place weren't happening. I couldn't even press them to force them happening until this afternoon.
I've been pressing PRL update repeatedly and it shows updated every time, never says "no update available" or "just updated" or whatever. I think it's improving things. The screen lag is gone...
Rebooting usually pulls down the system updates, but that has not happened since midnight Feb 5 when i first downloaded the Lollipop. I'm hoping forcing these little updates is helping!
I am having the same issues, as well. I took my phone into the Sprint store and even got a new phone because we could not fix the problem. Now I'm upset because I wouldn't have needed to get a different phone if Sprint in general were aware that there is an existing problem with these phones toggling between mobile data and WiFi. I'll try some of the fixes on here, but it makes me very frustrated.
Having the same issue as well. I tried all the temp fixes mentioned in this thread, but none seemed to be a real fix. My battery is draining like crazy now because of this. It won't even hold a charge if I plug it into a PC via USB.
I seem to be having similar issues in that it is wi-fi related, although my phone isn't able to even get online at all. I'm on my home computer, so I know my wi-fi works like it should, but for some reason my phone will connect to the wi-fi but not read the signal or something. I will try try the suggestions here and report back if I have any luck...
This may sound crazy but try unplugging off your router for 30 seconds. My home network does this occasionally, I have full connection at my computer and even though there is no indication that wifi isn't working [it looks like everything is connecting fine] I have no signal to my mobile devices.This might not be related to your problem at all, but I figure it can't hurt so why not try.