FNF iFive Mini 4S - Weird WiFi problem - Android Q&A, Help & Troubleshooting

Hey there guys,
I've got a really strange problem / behaviour on my FNF iFive Mini 4S (RK3288).
I rooted the tablet using this guide (https://forum.xda-developers.com/android/general/tutorial-fnf-ifive-mini-4s-custom-t3583184) and everything worked fine for a long time without any issue.
Then it just stopped getting a connection to the internet via my router (Vodafone EasyBox 804).
I tried everything I've got at my hand:
- restart the tablet
- reset wireless settings
- reset router
- set static ip
- flash all different firmware versions I could get my hands on
- apps like WiFi Fixer found on xda
So I thought maybe my Chip is busted BUT I also have a repeater module (TPLink) in my flat and via this module the tablet gets a connection and everything works fine.
Any idea what could be the source of this issue? This is really annoying and I don't know what else I could do.
Big thanks in advance.

Related

[Q] internet gone AWOL

This is a weird one. For a month I have been using the Leedroid rom with Honeycomb. I have the /htc /flyer 32gb with 3g (UK). In the last few days I have lost my internet connection on both wIFI and on 3g. I did get it back for a few hours today and now I can't connect again!
Having a tablet with without connectivity is a bit like having a fancy brick :-(
I have tried removing the Sim card and re-inserting it and trying a different wifi router.
Anyone else had issues like this?
i assume you haven't made any changes/modifications/installations recently that may have messed with it?
for your 3G connectivity, put your sim card in your phone to determine whether the issue lies with the sim card or the Flyer...also check your APN settings
same with wifi - can you connect your phone to your router's wifi?
my guess is that you installed an app that's messed with your settings
Problem solved (sort of)
Thanks for the reply
You may have been right that an app messed up my settings. I know the APN settings were correct as I could connect from my Nokia phone using them and the SIM card. I could also use two other definitely internet connected routers.
In the end I did a factory reset using CWM. After a few scary moments after the re-boot it was working again. Evidenced by the fact that after reboot the tablet tried to download my previously installed apps again!
I have had to re-do some settings and the Flyer seems to be runnng a lot more smoothly than before. Still no idea what caused my problems but will definitely be checking after I install apps in future that my web connection stays up just in case! Update, it seems my g and ADSL wifi are not getting along together - had no probs before though....mmmm....
MrMordy said:
Evidenced by the fact that after reboot the tablet tried to download my previously installed apps again!
Click to expand...
Click to collapse
you can stop that from happening...that's a "feature"...lol...either untick "back up my settings" under >settings/privacy; or don't add a google account after a new flash until you have reinstalled apps from a backup
MrMordy said:
Update, it seems my g and ADSL wifi are not getting along together - had no probs before though....mmmm....
Click to expand...
Click to collapse
some people have had success changing the wifi channel on the router to something higher than 11 (so i've heard, i've never had to do it myself)...you may also want to try setting static IPs for any other wifi devices to avoid conflicts
either way, it is far more likely that the issue would be settings other than ROM related, else everyone else would be having the same issues
you could also try something like this
https://play.google.com/store/apps/details?id=org.wahtod.wififixer

[Q] Having bad wifi since I flashed DD-WRT on my router

Hi,
I had no problem whatsoever with my network since 2 days ago when I flashed my dlink dir-300 with dd-wrt.
Since then, I started having problems using my banking app (it gets stuck sometimes during account data retrieval) and more consistently the XDA app fails to retrieve data most of the times.
The rest seems to be ok (on browsers I did not notice connection problems), even though the wifi signal (icon) appears to be quite low even when I am a few meters from the router, while all my other devices (laptop, iphone, blackberry) are working fine.
So, I would need some help to troubleshoot the problem, for example how to check where it gets stuck in the XDA app could help to understand where the problem happens.
I think I set the router with the same values it had before, and I had more trouble with previous FW, so I won't go back there, but I could still try to change some setting if there is some "known" wifi issue with Android devices.
I have a Nexus S with Cybergr v11 ROM and Matrix v19.5 kernel. I repeat, now all other devices are working fine, and this phone was working fine until I flashed the router, so it must be most likely a bad combination of wifi settings (I tried a lot of them already) and Android.

[Q] Help! Xperia mini pro

I have looked around and have found no solution for this.
Hi everyone, I have recently bought an xperia mini pro and I love this phone, I really fell in love with it.
But, I cant seem to get stable wifi connections, the connections keep disappearing or in one second the conection is strong and then becomes to weak.
Also, I cant connect to my home internet!
My SSID doesn't even appear on the list of available networks!
This seems to be a recurrent problem because I switched the phone for a new one and the problem prevails.
I know its not the router cause I could connect with my old phone with no problems at all. I tried wifi keep alive and other stability apps but with no success...
The phone is updated to Android 2.3.4.
Can anyone help please??
If anyone has the solution it must be you guys!
Thank you!
about the ssid, i had that problem on my home. i change and add the mac adress of my sk17a to the router and that fix the problem. try that.

S3 Wi-Fi and Tethering issue

hi everyone,
my phone is a GT-I9300, android 4.0.4, Baseband I9300XXLFB (original, stock), Kernel vers. 3.0.15-782020-user[...], Build number IMM76D.I9300XXBLFB.
it seems that Samsung didn't only change the Search function through the update we got last week, but also disabled Tethering (I think).
the update was meant for the US version of S3 where the Tether option is sold separately by the operators but they also released it for the international version. I found Nexus users complainig abt the same issue after update.
does anyone know a fix for this? can someone reccomend a good custom ROM please
Thank you
original post
"my S3 worked fine untill few days ago...I don't know what changed it, but my Wi-Fi doesn't work anymore. it gets connected to the router but I have no transfers (tried it on my router but also in many "public" Wi-FI). also, none of the Tethering options work (haven't tried them before 2 days ago, only after the Wi-Fi issue came up), none of the Wi-Fi, USB or Bluetooth (Tethering gets connected fine, but the connection has the exclamation mark and I have no internet on my PC). It might have happend after Samsung's update fix we got few days ago for searching or something, but I'm not sure."
Wi-Fi is working after I've done a reset on the router...but I don't understand how the hell my router affects other Wi-Fi connections. There seems to be a software glitch with the Wi-Fi somehow.
marius1683 said:
hi everyone,
my S3 worked fine untill few days ago...I don't know what changed it, but my Wi-Fi doesn't work anymore. it gets connected to the router but I have no transfers (tried it on my router but also in many "public" Wi-FI). also, none of the Tethering options work (haven't tried them before 2 days ago, only after the Wi-Fi issue came up), none of the Wi-Fi, USB or Bluetooth (Tethering gets connected fine, but the connection has the exclamation mark and I have no internet on my PC). It might have happend after Samsung's update fix we got few days ago for searching or something, but I'm not sure. my phone is a GT-I9300, android 4.0.4, Baseband I9300XXLFB (original, stock), Kernel vers. 3.0.15-782020-user[...], Build number IMM76D.I9300XXBLFB.
I tried the *#0011# command and switched off the "WIFI Power Save Mode" but that didn't fix it either.
I suppose it is a software problem as the phone (apparently) worked fine fot 3 weeks (I got it on the 7th July).
did/does anyone have this issue? please help me fix it and also, please reccomend a good custom ROM (or "the best" if there is such thing ).
Thank you very much for any help
Click to expand...
Click to collapse
According to your description, I'd say that your wifi chip's done
I'd call to local service/place you purhaced the phone and explain the problem.
Warranty should cover that kind of problems.

Xperia P + ICS + Fritz!Box 7390 = Problem?

Hi everybody,
first of all I have to say that the ICS-upgrade for XP was worth the waiting. It is super and many things improved. Especially battery life and the sound went better. ..
But here comes my problem:
When I connect the phone via wifi to my Fritz!Box 7390 (WPA2) I can use the network for a few seconds, but then it crashes. When I make an AP to the box with another router or a computer I can use the network normally, but I cant download anything from the Play Store. It just stucks at downloading. Browsing is ok. Sounds strange does it?
Upnp is enabled and I also tryed to forward the needed ports manually with no sucess. Of course the box has the newest firmware.
Do you have any idea?
Same problem with my Xperia P and FritzBox 7230 - tested it with WPA security and everything is fine for the moment. Can you give this a try? I´m not sure about that problem, maybe it is FritzBox related thing?
SirRobin78 said:
Same problem with my Xperia P and FritzBox 7230 - tested it with WPA security and everything is fine for the moment. Can you give this a try? I´m not sure about that problem, maybe it is FritzBox related thing?
Click to expand...
Click to collapse
Yes, I just tryed that. It works, but when I switch to WPA I can't acess internet from my laptop anymore. Same problem with my gf's laptop. I also guess that this problem is related to the box. I 'll write an email to AVM. When I got new infos, I'm gonna post it here (assuming that collosus won't delete this thread )
I have the same issue with a FritzBox 7340. But it's firmware almost identical to the 7390. I'll test some stuff later today and report back.
Xperia P + Fritz Box
Hi Guys,
I also updated my Xperia P and started to have trouble with my Fritz Box Wireless (7340).
The problem described above seems the same as I concluded.
Does anyone have an update on this?
One strange thing, my wife also has a Xperia P and that one doesn't seem to f**k up the Wlan.
The same with Xperia U + ICS + Fritz!Box 7390
josie87 said:
Hi everybody,
first of all I have to say that the ICS-upgrade for XP was worth the waiting. It is super and many things improved. Especially battery life and the sound went better. ..
But here comes my problem:
When I connect the phone via wifi to my Fritz!Box 7390 (WPA2) I can use the network for a few seconds, but then it crashes. When I make an AP to the box with another router or a computer I can use the network normally, but I cant download anything from the Play Store. It just stucks at downloading. Browsing is ok. Sounds strange does it?
Upnp is enabled and I also tryed to forward the needed ports manually with no sucess. Of course the box has the newest firmware.
Do you have any idea?
Click to expand...
Click to collapse
My Xperia U worked flawlessly with Ginger Bread over my Fritz!Box
Immediately after updating I got problemcs with the WiFi network and not only the mobile but the rest of the devices using WiFi were disconnected.
If the problem was on the side of the phone, in any circumstances it should freeze the network
Image that it could be possibe to block a WiFi network just turning on a buggy phone.
There must be something wrong with the Fritz!Box...
I had the same problem with the 6.1.1.B.1.10 on the Xperia U
It's an often recurring problem with this version of the firmware.
The solution was turning of 802.11n and only leave 802.11b+g enabled on the FritzBox
Some other people have had success with changing the security mode from WPA2 to something else
I solved it through opening a guest network on the Fritz!Box. It is secured with WPA. Found no other way.
Interesting test with a second Fritz!box
I have connected a second Fritz!Box 7570 to the first causing the problem ( Fritz!Box 7390).
They are connected in cascade: The 7570 has DSL, DHCP and NAT disabled and its IP address is in the range of the first one (7390) and it is connected to an ethernet port of the other one
I can connect now my Xperia to the 7570 wireless network and everything seems to work so far.
If I connect instead to the 7390 WiFi it freezes it

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