I've had my G3 for 18 months now and over the past 4 weeks I've had problems with the wifi dropping and reconnecting again. I tried the tips from people I found on other websites but nothing cured the problem. Usually I would forget the wifi and then reconnect to it. That would usually work for a few hours, but then it would drop again.
Around the same time my SD card would unmount too. I originally put that down to it being old, so I bought a new one, but again, same problem. I've not been using one since.
3 days ago the battery drained itself within a couple of hours and the phone failed to connect to any wifi at all.
In fact it kept resetting itself and I had to take the battery out so it could turn on again.
I purchased a new battery and the life has improved a bit but the wifi problems persist.
I did a factory reset hoping that would cure the problem, but nope, still not connecting to any wifi.
I was a sent here to seek advice from a Techie Forum, so hopefully you can help me out!
I've had a quick look and I feel a bit overwhelmed with all the root and flash talk....
Does this problem all come down to Lollipop being a pain in the ass?
Is rooting the only way to get around it?
Thanks in advance!!
Well, you've either loaded some software that has caused the issue or you have a hardware problem somewhere. If it's been working for 18 months, it doesn't just "go wrong" - something has to change.
So, have you loaded anything recently which you also reloaded after the full factory reset?
Alan
When you have no internet, would you mind going to about phone > hardware info and check what ip adress you have? Most likely 02:00.. That's my exact problem.
Never loaded any software on to the phone except official updates or apps from the store. As i said, first it was intermittent and now it wont connect at all. Bluetooth connection has the same problem.
On the "about phone settings" it just says Wi-Fi mac address unavailable, ?
Android 5.0?
Did you install any custom roms? I'm trying to find a way to solve this but I'm failing to do so.. You can send your phone to warranty, if you still have it and they'll give you a new one :/
yes android 5.0, I've had my phone since July 14 so out of warranty now I would think. No, I've never used any custom roms. There seems to be a lot of other people with similar issues, and they have gone down the root route and delete a file from data misc wifi wpa_supplicant.conf. ?
Might have to try that, but I've never done it before.
Don't think that would solve your problem since I've already tried that and failed :/ It sucks really bad, rooting definetely helps since this is a root issue..
Think I'll just take it to a repair shop. I's a shame because I really love the the phone. It's got to be resolved though because I can't keep going without WiFi. Still got 5 months before I can upgrade too.
I don't think sending it to repair shop is a good idea.. At least 100,150€ to fix it.. If you sell the phone for 150-200€, you can get close to the money for the G5 which will come out in about a month.. Try to use data, dunno...
After updating to stock MM on my LG G3 D855, I had problem with wifi but only at home. It turned out to be a problem with IPv6 DNS servers on my home router (VDSL). I tried 2 solutions and both worked - first I tried app that makes VPN connection with correct DNS servers: DNSet (https://play.google.com/store/apps/details?id=com.dnset) and it worked. Then I tried to find (and succeeded) IPv6 DNS setting on my router and there I entered Google IPv6 DNS servers. After that, I uninstalled DNSet and everything worked.
Related
So I have done the official 2.2 upgrade but now my wifi isn't working. I have gone into software updates and updated the profile, prl, and checked for new software and firmware.
Wifi keeps saying "obtaining ip address". It's my home wifi and before the update it was working flawlessly.
Appreciate the help.
Do I have this posted in the wrong section, or has this question been answered? I've searched high and low.
Try reflashing newest radio and wimax. Flash one at a time. This has happen to me before with wifi and 4g but on 1. 47. If that does not work flash calklins v1. 02 rom. I am using that on wifi typing thos response. Good luck
Sent from my PC36100 using XDA App
from the sound of it he flashed the official OTA so probably isnt rooted.
Have you tried it with any other routers to see if it connects?
try unplugging yor router and re plugging it back in to reset it and try connecting if that doesnt work sounds like your radio is messed up and you may have to take ti to a sprint store so they can reflash it if you arent rooted.
omegasun18 said:
from the sound of it he flashed the official OTA so probably isnt rooted.
Have you tried it with any other routers to see if it connects?
try unplugging yor router and re plugging it back in to reset it and try connecting if that doesnt work sounds like your radio is messed up and you may have to take ti to a sprint store so they can reflash it if you arent rooted.
Click to expand...
Click to collapse
I am using the router for my laptop right now so I dont think the router is the problem.
I had the unofficial .3 update which is when my wifi stopped working, then I upgraded with the fix to .6 last night, still no wifi. I am not root, just bone stock .6 froyo...
Take it to sprint service center. Or delete the wifi settings in the phone and reconnect.
Sent from my PC36100 using XDA App
chris17house said:
I am using the router for my laptop right now so I dont think the router is the problem.
I had the unofficial .3 update which is when my wifi stopped working, then I upgraded with the fix to .6 last night, still no wifi. I am not root, just bone stock .6 froyo...
Click to expand...
Click to collapse
The reason i suggest resetting the router is because they often store information about a MAC address, When the information changes sometimes routers have connection issues. you dont see it a lot and since most of the time the information doesnt change (you dont update much on your pcs that would cause this). When it does change (ie a radio from a phone) it can sometimes cause issues. that's why i suggested you restart the router. I have had it happen several times when changing radios on my phones over the years.
Just because 1 thing connects to a router does not mean it cant contribute to another thing not connecting to it. I also wouldnt bet my life that it would fix it or anything.i was just giving a suggestion that HAS worked for me in the past when similar issues happened.IT was a good place to start. It would also help verify the problem is in deed with the phone from an actual tech point stand instead of an assumption.
anyway best of luck with getting this fixed
omegasun18 said:
The reason i suggest resetting the router is because they often store information about a MAC address, When the information changes sometimes routers have connection issues. you dont see it a lot and since most of the time the information doesnt change (you dont update much on your pcs that would cause this). When it does change (ie a radio from a phone) it can sometimes cause issues. that's why i suggested you restart the router. I have had it happen several times when changing radios on my phones over the years.
Just because 1 thing connects to a router does not mean it cant contribute to another thing not connecting to it. I also wouldnt bet my life that it would fix it or anything.i was just giving a suggestion that HAS worked for me in the past when similar issues happened.IT was a good place to start. It would also help verify the problem is in deed with the phone from an actual tech point stand instead of an assumption.
anyway best of luck with getting this fixed
Click to expand...
Click to collapse
Gave it a shot, but still no luck. Keeps on trying to obtain IP address. Won't connect at my friends house anymore either.
omegasun18 said:
The reason i suggest resetting the router is because they often store information about a MAC address, When the information changes sometimes routers have connection issues. you dont see it a lot and since most of the time the information doesnt change (you dont update much on your pcs that would cause this). When it does change (ie a radio from a phone) it can sometimes cause issues. that's why i suggested you restart the router. I have had it happen several times when changing radios on my phones over the years.
Just because 1 thing connects to a router does not mean it cant contribute to another thing not connecting to it. I also wouldnt bet my life that it would fix it or anything.i was just giving a suggestion that HAS worked for me in the past when similar issues happened.IT was a good place to start. It would also help verify the problem is in deed with the phone from an actual tech point stand instead of an assumption.
anyway best of luck with getting this fixed
Click to expand...
Click to collapse
Gave it a shot, but still no luck. Keeps on trying to obtain IP address. Won't connect at my friends house anymore either.
it is definatly the phone then. It sounds like thw Wimax radio didnt flash right. With out Root i think your best bet is to drop by a sprint store they should be able to reflash it for you.
@chris17house
I have the same issue on my EVO that is still on 1.47.
The first time I connected my router gives my phone a lease for a ip address (lets say 192.168.0.010) and associates it with the mac address of my phone.
When I try to reconnect at a later time, the lease for my phone on the router has not expired, but the router gives my phone a new ip address (let say 192.168.0.020), which causes a conflict with the same mac address, but two different ip address. Once I reset my router and my phone the problem is fixed, because the router releases the lease and my phone does a dns flush.
Do you think flashing the wimax or radio instead of reflashing the entire rom would be worth a try? And if so, where is that file located please.
Ok, so wifi connects everywhere except my home. I have unplugged the router and modem for an hour and reconnected them. I still am unable to connect to my home wifi. Is there something more i need to be doing?
I was having the same problem with work and home, but all I did was forget both locatations and discover them again.
kingsamo said:
I was having the same problem with work and home, but all I did was forget both locatations and discover them again.
Click to expand...
Click to collapse
Thats not the problem.
Hey all. I need some advice. This morning my G3 (D850) dropped WiFi connection for no reason. It says the signal is good but the network info says saved, secured. It will attempt to connect over and over again and if it does connect the signal is weak as can be and it drops the connection within 2 seconds. My coworker has a G3 also and is connected to the same work network I am. His connection says excellent where as mine said good. His device connects just fine with full bars. I'm baffled. I've already tried manually selecting 2.4 Ghz and 5 Ghz instead of auto select and that didn't help at all. I've tried manually turning off WiFi and turning it back on. I've tried turning airplane mode on and then off to refresh the connection and that didn't help. I've done a battery pull as someone in one of the android authority forums suggested that (apparently I am not the only one having this issue.), didn't work. I've unchecked WiFi optimization - no dice. There was another post on a different forum here on XDA that said turning off WiFi and then deleting the WiFi config folder located in data/etc/wifi and then rebooting fixed the issue for them so I tried that. After reboot when I tried to turn on WiFi my G3 rebooted itself. Does it everytime. SO, I had to restore to a nandroid backup (btw I'm on rooted stock 10f) to get the phone to stop hating my WiFi toggle attempts. Last ditch effort I did a factory reset hoping for an easy fix... Nope. I don't know what else to try. It was fine yesterday all day. This morning it was perfectly fine and then randomly started having this issue. I haven't altered any system files whatsoever. I really don't want to send my device to LG for warranty replacement so I'm hoping someone can help me out that may have had this issue and resolved it. The only difference between my device and my coworkers device is he is still on 10d and I am on 10f. That could be the issue I guess but that doesn't really explain why my device has been perfectly fine until this morning and I've been on rooted 10f for weeks. I am planning on flashing back to straight bone factory stock 10d when I get home here in a few hours from work but Idk if that will help or not. Judging from the amount of google search results of "LG G3 WiFi connection problems" this seems to be an issue for several people. I won't know if it's on the software side or hardware side until I get home but in the meantime has anyone had these issues at all? People have had success in changing to Static IP but I would have to do that for every connection I attempt to connect to and that's a pain in the a$$. Also, that does nothing to identify the root cause of the issue. Any help would be greatly appreciated. =)
BreakingVZW said:
to much words
Click to expand...
Click to collapse
try deleting /data/misc/wifi then reboot, it that doesn't work try an other kernel(rin kernel is good)
suljo94 said:
try deleting /data/misc/wifi then reboot, it that doesn't work try an other kernel(rin kernel is good)
Click to expand...
Click to collapse
Thanks for the reply. So it turned out my phone just randomly decided it doesn't like my work network anymore. Idk why lol. I got home and it hooked right into WiFi. Gf's WiFi and open networks as well. I call shenanigans. I went ahead and flashed back to 10d anyway though.
BreakingVZW said:
Thanks for the reply. So it turned out my phone just randomly decided it doesn't like my work network anymore. Idk why lol. I got home and it hooked right into WiFi. Gf's WiFi and open networks as well. I call shenanigans. I went ahead and flashed back to 10d anyway though.
Click to expand...
Click to collapse
I am having the same issue! But it is happening in other networks too...sometimes I get the phone to connect but it only works for a while and when I check the networks it only says Saved, even if I try to connect again
Having the same issue, whether at work or home, my wifi has become near useless. I've even gone as far as trying a different ROM. Didn't work.
Same thing here
I also have tried factory reset, installed a new ROM, changed settings in my router... but the problem remains I don't know what to do anymore, I use wifi a lot!! I searched through other topics but no one seem to know how to solve it. Unfortunately my warranty already expired, I took my phone to some technicians but honestly it didn't help at all...they all said it was a software bug and I should wait for an update but if it was just that a new ROM would fix it,right?
I am not very familiar with phone hardware but I assume that if it was a hardware problem I wouldn't be able to turn it on or connect to any network, right?? (any experts here???)
Any solution is welcomed.
anyone please?? :crying:
P.S : I tried a new baseband, new kernel and new ROMs. So far, nothing changed.
I can connect sometimes but get kicked out within minutes. At other times I only get the saved,secured message.
This is happening in every network
I just got an LG G3 last friday (Black Friday) on T-Mobile (got tired of Sprint). Anyway for the most part this phone has been great. A minor glitch with a game (possibly from porting it's data over from my S3). The main problem I have is with the WiFi.
First off WiFi calling sucks. If I don't have 3 or more bars on my WiFi connection the call gets fuzzy. During one call that was clear it just randomly dropped. So that isn't cool.
Secondly, if I connect to a WiFi network at home or work or where-ever and then go somewhere else and come back or go to another place with a network I want to connect to it won't connect at all. It will show all the networks and give me the option to connect. But instead of connecting it will try to connect for a long while and then just give up. I cannot get connected again until I reboot.
I have tried the suggestions found on this thread (and other places): http://forum.xda-developers.com/lg-g3/help/lg-g3-wifi-issues-t2829811
No luck with those suggestions. Which include the following:
Turn off and back on the wifi radio.
Disabling the "wifi signal is weak" option.
Disabling the battery saving for wifi.
Forgetting the network (my network list was automatically imported from my Google account).
Installing the "WiFi Manager" app and enabling the 5GHz channels (US) and changing 2.4GHz channels to "Complete".
Made sure that "Internet unavailable" option is disabled.
Made sure that "Keep Wi-Fi on when screen is off" is set to "Yes".
Disabling NFC.
Disabling BlueTooth.
Disabling Wi-Fi calling.
I don't have problems with a weak signal. So I am perplexed. My Samsung Galaxy S3 worked just fine on these networks. Restarting always seems to allow me to connect again. But I shouldn't have to restart every time I want to connect to WiFi.
All of my other wireless devices connect just fine in the household (a PS3, my fiance's Moto X, my old S3, MacBook Pro, Lenovo Windows 8 laptop, an HP running Ubuntu 14.10, and another Lenovo running Ubuntu 13.04).
Why is an older model phone doing so much better than the G3? Both phones are rooted (old and new). Does anyone have a fix? My phone is currently running LG's factory rom "D85110m". That is with Android 4.4.2 (my old S3 is on a cyanogen rom of the 4.4.x series as well).
Please help me fix this. Otherwise I might return it for an S5.
Thanks!
**** Update ****
Per my below post, it seems I have fixed my problem. I ended up doing two factory resets, unrooted, and did a final factory reset to fix the problem. Then I switched to the PurpleDrake method to root it the second time (and it worked really well without any issues).
Good luck everyone!
**** End of Update ****
Try to factory reset the phone. I don't know what version you are on but I assume its 10m
xmagiicsx said:
Try to factory reset the phone. I don't know what version you are on but I assume its 10m
Click to expand...
Click to collapse
It is on 10m. Do I need to unroot before I do the factory reset? I have never had to do one before.
So it appears that doing a factory reset does not fix it. I guess I am taking it back and having them replace it. And I will demand it be a brand new one since I just got this phone a little over a week ago.
SOLVED!!!!
Ok, so I finally got it fixed. Albeit accidentally as I didn't expect it to be fixed at this point.
Here is what I ended up doing:
Two factory resets.
Unrooted the phone (via these instructions: http://www.androidrootz.com/2014/07/how-to-unroot-lg-g3-all-variants.html).
One last factory reset at T-Mobile store by me (because they forced me to).
The wifi did not start working correctly again until after that very last factory reset that I did. The unroot process also does a factory reset. But, and this may be key, it downgraded my phone to 10c from 10m in the process. I then did an OTA to 10m after the final reset.
I unrooted it because T-Mobile's diag software detected it was rooted and said that made the warranty invalid. And after I unrooted it I took the phone back to the store and demonstrated the problem to the employee that sold me the phone in the first place. He tested it for about 10 minutes and came to the same conclusion as myself. He then had to go to his manager to approve the replacement.
They got out the new phone to replace it with then the manage told me that he was required to have us to one more factory reset. So I went into the settings on the phone and did one last reset. And for some reason, since this point, the wifi problem has gone away.
I think it is possible that something I did to the phone caused the problem in the first place. But since I did so much to it in the first few days (rooted and installed a ton of apps) I am not entirely sure. My two current theories are it was either caused by this malware infected flashlight app I installed that kept popping up the Play Store to install a particular app. Or it was caused by the rooting method I used.
The original rooting method I used was "Stump Root". So the second time around I used the PurpleDrake method. This is a tiny bit more tedious, but very effective and it didn't seem to break anything. Further, when I installed TWRP I made sure that I grabbed the recommended image for it that is specifically for the US T-Mobile LG G3 device and installed that using Flashify.
After I got it safely rooted I tested the crud out of it and it seems to be working fine.
One last thought. It is possible that somehow Titanium backup caused the problem when I restored text and call logs. But I seriously doubt it.
Anyway, if anyone has any questions for me about this please shoot me a message. I am more than happy to help.
Thanks,
Patrick
Hopefully someone here can advise me on this issue I have been getting with my Nexus 5x and using chrome but issue also happens in youtube. Note I have not setup my phone with a SIM yet, just been testing out the phone features and Android 6.0
When connected to my home networtk chrome and youtube work fine but every now and then the web page loading seems to stall in chrome, and then i watch the wifi signal disconnect and then reconnect and then the web page will load, but before it does i get the error message
dns_probe_finished_no_internet and sometimes its ERR name not resolved or ERR_NETWORK_CHANGED or similar inside chrome.
it seems to recover after about 30secs and then i have full wifi again. it just keeps happening This seems to be random at the moment but is consistent. My home network is pretty solid and all my other devices work fine and do not exhibit this issue, my wifi is solid.
I have done all the usual forget network, wipe system cache and static IP etc. nothing makes a difference. can anyone shed some light what might be causing this?
thanks
Did you manage to solve the problem? I got my phone last week and I am having the exact same problem.
I should mention that I am on stock unrooted and using At&t network. I checked the wifi connection from my older phone lg optimus g and it seems to be fine. It keeps on disconnecting and reconnecting on my 5x though and I think that is draining the battery faster than anything else. My top two battery uses are android system and android os rather than sceeen.
Do you think it is a hardware problem?
friendlyguy55 said:
Did you manage to solve the problem? I got my phone last week and I am having the exact same problem.
I should mention that I am on stock unrooted and using At&t network. I checked the wifi connection from my older phone lg optimus g and it seems to be fine. It keeps on disconnecting and reconnecting on my 5x though and I think that is draining the battery faster than anything else. My top two battery uses are android system and android os rather than sceeen.
Do you think it is a hardware problem?
Click to expand...
Click to collapse
Have the same problem with mine after one week's use. Was fine until this morning.
On hold with warranty service now and will be getting a replacement.
Don't wait, use the warranty.
---------- Post added at 10:25 AM ---------- Previous post was at 10:23 AM ----------
My problem was more global than just while using Chrome. Don't know if that matters....
ChauncyG said:
Have the same problem with mine after one week's use. Was fine until this morning.
On hold with warranty service now and will be getting a replacement.
Don't wait, use the warranty.
---------- Post added at 10:25 AM ---------- Previous post was at 10:23 AM ----------
My problem was more global than just while using Chrome. Don't know if that matters....
Click to expand...
Click to collapse
Any luck getting rid of the problem? I even factory reset my phone but the problem is still there. My problem is also global, not just in chrome. I think that there is a problem with the wifi of the phone. I do not want to root and install a new kernel as of yet. Just want to stay on the stock rom.
What did the warranty service say? Is this a common problem with the 5x? I would rather not RMA if the problem can be solved by some other means. I put on the screen protector so well. Don't want to do it all over again lol.
Also, is Android OS on the top of the list in battery drain? It is for me and I think the wifi connecting and disconnecting prevents the phone from sleeping.
friendlyguy55 said:
Any luck getting rid of the problem? I even factory reset my phone but the problem is still there. My problem is also global, not just in chrome. I think that there is a problem with the wifi of the phone. I do not want to root and install a new kernel as of yet. Just want to stay on the stock rom.
What did the warranty service say? Is this a common problem with the 5x? I would rather not RMA if the problem can be solved by some other means. I put on the screen protector so well. Don't want to do it all over again lol.
Also, is Android OS on the top of the list in battery drain? It is for me and I think the wifi connecting and disconnecting prevents the phone from sleeping.
Click to expand...
Click to collapse
<----------------->
Tried everything, reset network connections and then tried a complete reset and attempted new setup but the wifi was too flaky to complete the setup. Since the problem happened while I was using the phone I was not able to observe the effect on battery life. I would imagine it would take a big hit trying to connect and failing continuously.
Did this before calling Google so I wouldn't have to do this while on the phone. Warranty Service did not mention any ongoing problem with the wifi.
Am setting up the replacement currently. I'll save rooting, etc. until I've used the phone for a good while.
Bite the bullet and send it back. It's not going to heal itself.
ChauncyG said:
<----------------->
Tried everything, reset network connections and then tried a complete reset and attempted new setup but the wifi was too flaky to complete the setup. Since the problem happened while I was using the phone I was not able to observe the effect on battery life. I would imagine it would take a big hit trying to connect and failing continuously.
Did this before calling Google so I wouldn't have to do this while on the phone. Warranty Service did not mention any ongoing problem with the wifi.
Am setting up the replacement currently. I'll save rooting, etc. until I've used the phone for a good while.
Bite the bullet and send it back. It's not going to heal itself.
Click to expand...
Click to collapse
Hi guys,
Just updated to 6.0.1 OTA and yes the problem remains and seems even worse now. Can I ask how you go about the warranty? Is there a number to call google directly?
855.836.3987
ChauncyG said:
855.836.3987
Click to expand...
Click to collapse
oops sorry I should have said im in the UK, dont worry il find it. Can I ask is your replacement phone working correctly now, no wifi drop outs as before? if so what version of marshmallow are you on?
I've only been using it about 8 hours but no problems so far. The phone updated to 6.0.1 during the initial setup.
You can find the phone # for the UK by using a 'Contact Us' link in the Devices Store on Google Play.
ok so I seem to have fixed this issue been having and it turns out the phone itself is fine. The issue was with 2.4Ghz wifi networks. There are quite a few in my local area and there is probably a lot of cross talk on channels. So i setup a 5GHz network and my n5x seems rock solid since ive connected to that. no one single drop out all day! speeds are also much faster im getting 150MB download speed on wifi lol...
i changed nothing else on my phone just for the record. hope this maybe also helps someone else
KTroopA said:
ok so I seem to have fixed this issue been having and it turns out the phone itself is fine. The issue was with 2.4Ghz wifi networks. There are quite a few in my local area and there is probably a lot of cross talk on channels. So i setup a 5GHz network and my n5x seems rock solid since ive connected to that. no one single drop out all day! speeds are also much faster im getting 150MB download speed on wifi lol...
i changed nothing else on my phone just for the record. hope this maybe also helps someone else
Click to expand...
Click to collapse
I think I have an issue with the college wifi as well. I asked my friends who are using the same wifi network and their phones also do not seem to remain connected. I thought that it was an issue with my phone but I guess it is not.
To test that, I connected my phone to my college wifi all night and when I woke up in the morning, more than 20% battery had been used probably because of disconnecting and reconnecting continuously. The next night, I connected to some other wifi and there was less than 3 or 4% drop in battery overnight.
I hope they upgrade the college wifi as the battery drain is very annoying.
Latest skins
Try clearing cache and cookies of the browser and Restart it.
Hey guys. I'm having a very weird WiFi issue on my A520F.
Today the WiFi froze. It wouldn't turn off when I switched it off. After I while it turned off but took ages to turn it on again.
I factory reseted the device because I thought it was a software issue. It didn't work - after the first boot it was the same.
After a while after this, the WiFi started working again, but only for a period of time, then it would just freeze again for apparently no reason. Switching it off and on solves the issue for a while, then it freezes again saying that my WiFi is limited.
I can't take any logs since I'm not rooted (and don't have a PC to use ADB), and this is really scaring me since it happened out of nowhere. An hour before this started happening WiFi was working just fine.
I haven't installed anything unusual today, just connected for the first time on a new, but trusted, WiFi.
I've also reseted my WiFi router to its factory settings, thinking that it could be the issue, but the problem persisted. My Chromecast works just fine on the very same network.
Did this happened to anyone before? I've tried to root my phone a while back and, since it didn't worked out, I gave up and flashed the latest firmware from my country. This phone originally came with German firmware in it and I flashed it to a Brazilian one, which is the one I'm using and had no issues so far.
Can this be a hardware issue?
Thanks in advance!
So I guess I'll end up solving this on the weirdest way I can imagine.
After I posted I logged into my modem's settings and took a log at its logs. Seems that the moment this issue started to happen was near the time that the DNS server my modem was using started to fail.
I never thought that such a simple thing could mess this things like this. I mean, the DNS server is essential, but how that could freeze my phone's WiFi? Either way, I changed the DNS to Google's DNS and since then I haven't had any freeze or disconnetion. I'll test a bit more to see if the problem is gone.
Well, I do believe that I found the root of the problem.
As some of you may know, modems tend to stay on for a very long period of time (no one wants to lose internet connection, so we rarely reboot then), and for reasons I don't know (and as a tech support guy I've seen this happen A LOT) they freeze sometimes and only work again after being completely turned off and on.
Since the issue started again when I was messing with the modem settings (trying to change the DNS again to see if the problem would return), I decided to give my modem a few minutes of rest.
After that, I've powered it on again and went through the initial setup (my ISP provides an simple wizard when you first connect to the WiFi) and up until now I'm not having issues.
I'll wait a few more hours to report again, but so far so good.
So it seems that giving those things a few minutes rest every month or so isn't a bad thing at all.