ZTE Sonic 2.0 Sleep of Death - General Questions and Answers

I've been using Tmobile/ZTE Sonic 2.0 LTE hotspot for a while but lately it has started showing an issue where after using it for an hour or so it would just go black. I can see the network in the list but I get no internet connection. The only way to fix it is to take out the battery and restart but same thing happens after some time.
I tried another one (same model) and facing exact same issue. So I'm wondering if there is any external factor that could be causing this issue? The only thing connecting to the hotspot is my work laptop.

I tested the new hotspot at home and it ran for hours without any issue all the way till the battery died. This morning I brought it back to the office and within few minutes same issue. I have tried master reset but that did not fix it either.

Related

G2x wifi problem

My wifi connection is not very stable. Keeps on disconnecting.
I heard this is a known problem for theb g2x. Are any of u experiencing this issue? And or know how to fix this?
Is tmobile gonna do an update fix for this?
Sent from my LG-P999 using XDA App
I've experienced wifi issues myself. Wifi was working flawlessly the first week i had the phone but now it seems as though it does not want to connect to any network -__- it just says 'error'
Not sure if i had something to do with it acting up, maybe i downloaded an app that caused it to act up.. idk
No definite word if the upcoming gb update will fix this issue but i sure hope it will!
sometimes simply rebooting your router can fix this. of all the wifi threads i've seen, i never saw anyone mention this. but like i said, it will sometimes fix it.
After leaving my phone idle for 15+ minutes, I'll lose wifi. Simple fix is to disable/enable wifi. LG knows of this problem and will release a fix on the next update. http://www.lgforum.com/forum/boards/general/lg/topics/g2x-wifi-problems
Now others are having a different type of wifi issue where it won't connect at all, I'm not sure if it's a hardware or software issue.
I'm having the exact same issue. Wifi will be connected, then after a period of time the connection gets disabled. It's quite annoying, as I often do not notice it for a while, after I have already gobbled up a bunch of 4G bandwidth.
I fixed this problem with G2xFixWi-Fi from the market.
Just 4 clicks and it is done.
two separate wifi problems with the g2x
it's good that your wifi problem was fixed with the G2xFixWi-Fi app. but that only fixes the dns problem.
there is another wifi problem where if the phone is in idle for a while and you wake it up, you see from the indicators at top there is no wifi icon and that it is trying to connect 4g but doesn't succeed. the 4g icon flashes on briefly and disappears. it keeps on doing this every second until i manually turn off wifi. then it connects to 4g. from what i can deduce, if i don't turn off wifi before putting it in idle, it does this as well after the phone is in idle for a while. i'm not sure how long after the screen switches off that this looping process happens, but give it 2 hours and i feel that the back of the phone is really warm. i'm thinking that it's warm because it is constantly in this loop. this may also be the source of the massive battery drain that some are seeing.
if i manually turn off wifi before putting it in idle, this doesn't happen. so that's my solution for the time being. i heard about using tasker to automote toggling wifi on/off as the screen is on/off. and it seemed to work at first. but after an overnight test, i found out that the phone response time is sluggish and unpredictable, to the point where i had to have perfect timing just to unlock the phone from idle. rebooting the phone didn't resolve the sluggish response problem, but uninstalling tasker did the trick. so now, it's back to manually turning off wifi before putting it in idle.
another solution proposed is to set wifi to never sleep in the settings. the last time i tried it, it didn't work for me. but i'll try it again to see if it'll work this time.
setting wifi to never sleep did not help
nope. i changed my wifi settings to never sleep and the wifi disconnection problem still happens.
When my phone was stock I had problems with Wi-Fi when it was simultaneously trying to run 2G or 4G. Since then I have switched to various ROMs and Wi-Fi is rock solid. I do use Juice Defender which turns it on and off when screen is off and I'm not running a short list of programs like Pandora. It also reliably switches on when I arrive home.
My G2X won't connect to every WiFi network, and there are a few it cannot even find. I was in a cafe the other day and my friend's laptop and Nokia connected to its WiFi network and my G2X could not even find it... (( So, the problem is, some networks it recognizes but does not connect to (it sticks to "obtaining internet IP..." and then disconnects) and some it cannot even recognize. But to most networks it connects no problem (my home included)... What could be the problem? Can anyone help me?
krekabl said:
My G2X won't connect to every WiFi network, and there are a few it cannot even find. I was in a cafe the other day and my friend's laptop and Nokia connected to its WiFi network and my G2X could not even find it... (( So, the problem is, some networks it recognizes but does not connect to (it sticks to "obtaining internet IP..." and then disconnects) and some it cannot even recognize. But to most networks it connects no problem (my home included)... What could be the problem? Can anyone help me?
Click to expand...
Click to collapse
If you have not messed with the ROM and are having this problem - try TMo tech support first, then ask for a replacement if not fixed.
I have had excellent WiFi performance with stock ROM and EB Froyo's and GB (with and without kernels) - WiFi always worked OK. Could be bad unit - it should work!
My wifi has worked flawlessly, but I think it may depend on the router. I recently bought a wifi repeater to use on the other side of my house and when I connect to that, the G2x will disconnect from wifi after about 15 minutes of idle time, like previous posts have said. I switch back to my regular router and it never disconnects.
I have also notice the problem to.
rem736 said:
it's good that your wifi problem was fixed with the G2xFixWi-Fi app. but that only fixes the dns problem.
there is another wifi problem where if the phone is in idle for a while and you wake it up, you see from the indicators at top there is no wifi icon and that it is trying to connect 4g but doesn't succeed. the 4g icon flashes on briefly and disappears.
Click to expand...
Click to collapse
I am experiencing this same issue. My phone is rooted with no roms. This just started happening within the last week. Does anyone know of a fix for this yet besides possibly factory resetting?
mylomine said:
I am experiencing this same issue. My phone is rooted with no roms. This just started happening within the last week. Does anyone know of a fix for this yet besides possibly factory resetting?
Click to expand...
Click to collapse
This sounds like normal behavior honestly. What is your wifi sleep policy set to? By default the wifi radio turns off when the screen is turned off and then turns back on when the screen turns on.
G2X CM7
Thanks for responding. I have it set to "when screen turns off." The weird thing is I never noticed it do the little switcheroo before. Also, I have Juice Plotter just for fun and it used to show wifi for most of the night when I'm sleeping and the phone is charging. And now it shows APN during that time. I guess it was messing up before and now it's doing what it's supposed to.
Can you enlighten me on a myth, I heard that the wifi consumes less power than the APN or 4G. Is this true or false?
Thanks again
mylomine said:
Thanks for responding. I have it set to "when screen turns off." The weird thing is I never noticed it do the little switcheroo before. Also, I have Juice Plotter just for fun and it used to show wifi for most of the night when I'm sleeping and the phone is charging. And now it shows APN during that time. I guess it was messing up before and now it's doing what it's supposed to.
Can you enlighten me on a myth, I heard that the wifi consumes less power than the APN or 4G. Is this true or false?
Thanks again
Click to expand...
Click to collapse
With a LTE or Wimax phone, I think so. With a phone using hspa+, I don't think so.
Did you try.
Did you set it like I do, WI-FI never sleep. Because where I live
T-MOBIL had no cell service. Well, Very spotty coverage.
Also check how many people in you're neighborhood are on your same channel. And change yours.
Look in mark there's a free APP that's a WI-FI analyzer.
And change to one
Sent from my LG-P999 using XDA Premium App
My wifi is acting weird. It does a loop whenever i have a WPA/WPA2 settings on my home wifi but works when i have it disabled. :S It was alright with stock froyo and stock GB i uploaded from LG. then i flashed Xboarders OTA 1.2.2 GB and this happens.
Can any1 give an insight how to fix this ? =(
im having the same problem, i bought the g2x the day it came out (when it had froyo before gingerbread came out) and never had a problem leaving my wifi on 24/7 it wasnt until the update for gingerbread came out that this problem started happening, it really sucks for me since im using my g2x as an AT&T phone for now all i get is 2g speeds
---------- Post added at 04:43 AM ---------- Previous post was at 04:35 AM ----------
also something i tried and worked was turn wifi off, turn off your phone and turn it back on then go to menu>settings> wireless & network>wi-fi settings>check connect to wifi and check connect to wifi that worked for me (holding the phone in landscape mode (horizontally) ) i add that in because one time i was turing the wifi on in that order it didnt work i dropped my phone and picked it back up in landscape mode and wifi was connected. im not sure if anything i said helped anyone at all but hope i didnt waste anyones time

HELP - Xoom FE won't stay connected to wifi

So the wife and I have each had a Xoom FE since late October, last night my Xoom began having issues staying connected to wifi. I thought it might be an issue with our alarm system, that afternoon a wireless alarm monitor was added so we could do away with our home phone. The wife brought her Xoom into the bedroom and hers works fine, so I moved into the pc room to test it and with direct line of sight and full signal I still can't stay connected. I turned on the mobile hotspot on my phone and connected to it on my Xoom and surfed the web just fine.
I've always had issues with both of them initially connecting upon waking from sleep, but simply turning wifi off/on fixes it and it stays connected until the next time it sleeps for any amount of time more than 30 minutes. This was different, it would connect, start to load a page, lag lag lag, load a little more, lag lag lag, load a little more, maybe load entirely or give an error about connectivity. Again, wifes sitting right next to me in the same room, same network works fine.
I don't believe it's an issue with my Xoom, I haven't rooted or installed any new updates or programs. It was working fine one night and then the next night it's having connectivity issues. My wifes works fine on the same network with the same settings. My Xoom will connect to my cell phones mobile hotspot. I will try my Xoom at another location soon to see how it likes other wireless networks but as it will connect to my phones I don't think it will be a problem elsewhere.
Cliff notes: My Xoom doesn't want to play with my wireless router anymore but my wifes still works.
And last night it was back to working fine. I shut it off for the night after having the issues and re-started it last night around 8pm and it worked like it always has, so I don't know what was causing the issues but it seems to have fixed itself.
I had a similar issue with my rooted Xoom on the latest Tiamat GB release. I tries reflashing and few times with the same issues. I've now upgraded to the ICS beta roms and not only is the WiFi working, but its better then ever with much better reception. I wish I knew what the original issue was though.
mine was doing that the other night, but only when i had the charger plugged in.
worked fine every time i unplugged it...
All I did was go to the android market and found a actual wifi widget and always had it turned on. It works flawlessly. Hope that works if nothing else.
Sent from my Xoom using xda premium
Sometimes these things happen, if it's working fine now I wouldn't think anything of it. These are just like computers, they need to be restarted every now and then. I wish my Xoom FE would work. I can't get my wifi to work for crap no matter what I do.

[Q] "other" WiFi issue??

Ok so it seems many people have some complaints about the WiFi on the One X but from what I have found, no one has the same problem as me.
When using WiFi after around an hour or so (seems to vary) of not being used the WiFi seems to loose connection, but it still says its connected and the only way you can tell it really isn't working is by trying to use the net in some way.
I turned on the "best WiFi performance" option and that seemed to stop the connection loss but really eats up the battery. So that is not a full time option.
I wonder if i should be taking this phone back and exchanging it (once they leave customs)
I also have an issue where when I put the phone in the car dock (unfortunately not the nice one that connects with the back contacts like I thought I had ordered but one that uses USB) when I take it out my lock screen no longer shows the weather when you hit the power button, I have to go back into the personalize settings and change it to another lock screen and then change it back.
Some detail: when connection is lost the phone is sitting in the same spot which is only about 3 feet away from the router. My previous TC Aria running CM7 would also lose connection occasionally but it was no where near as often as this. I thought that maybe it was my router seeing that its an old Linksys WRT54G Ver2 but no other devices that use WiFi have this issue. I updated to the leaked 1.82?? version but I still have all the same problems.
Anyone else have this issue? Think I should exchange?

[Q] Wifi is VERY slow unless charging.

So I was messing around with my tablet after not using it for a while and noticed the wifi was HORRIBLY slow. I mean, 2 mb/s at BEST. My internet connection maxes out at 20+ so this is less than 10% of my wifi's speed.
I did just flash a cyanogenmod rom to it a month or two back so I figured I'd just try another one. SAME PROBLEM. I flashed a nightly, SAME PROBLEM. I flashed Xenogenesis. SAME PROBLEM!
So I had flashed the tablet a few times now, so it needed a charge. I was doing some research and decided to test the wifi again, while it was charging. The wifi was nice and fast again! I was getting 15-20 mb down and 2-3 up. So, thinking I fixed it through GOD knows what process, I went back to messing around with the tablet in the other room. SLOW WIFI AGAIN!
I read to try enabling performance mode, messing with advanced Wifi settings like turning Wifi optimization off, turning Network Notification off, wiping cache, reflashing. I stopped at offering up my cats to the internet gods because I'm not sure that this is a software problem anymore. The tablet is ~2+ years old. Should I just resign it to media consumption and forget ever using wifi again?
I just upgraded my router from a Netgear N600 to an Asus AC1750. No other devices really have an issue with the wifi.
If changes in software don't fix it, and only the charging cable will fix the slow wifi, could I have a bad battery that doesn't give enough voltage anymore? Is there an app where I can give more power to the wifi?

Wifi stopped working

Hi suddenly my WiFi stopped working now I am not able to connect to any WiFi network.
Any help would be appreciated.
Sent from my Pixel using Tapatalk
As of today I am having the same issue; I have tried multiple networks to no avail. Booting into safemode and turning on/off wifi does not work. If I find a solution I will update this post accordingly.
Me too. I believe it happened after I installed the May security update.
Just started happening to me about 4 hours ago. First it went in and out a couple times but I was within say ten feet of the router. Now I'm one room away, but have line of sight to to the router, and I have no Wi-Fi connection. It will come up as poor with no reception and then connect but never get internet. LTE works fine, wifi worked fine all day even.
Not working WiFi. I can not even turn the WiFi tumbler ON, some security updates Fixed Bluetooth. Do you guys have the same issue?
My wifi also stopped working. I was on P beta and it was working fine but yesterday simply stopped.
I rolled back to 8.1, same problem. Rolled back to 7.1 and nothing.
It only gets wifi if place my phone on top of my router.
You guys think it is hardware related? Because it didnt fell or anything, it just stopped working overnight.
Same, it happened after I upgraded to P
My wifi stopped working too. I tried everything.. it will not connect to any wireless access point anywere
I tried going back to stock image 9.0 and tested NDE63V (Standard) and still nothing.
I get and see signals but fails to connect.
any ideas?
dam...this sucks..time to dump this pixel and buy something else
I looked on eBay.. a few listed as Bad WiFi
Apparently it's fairly common on eBay and on the forums with no fix for it

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