WiFi problem GT-N7105 - Galaxy Note II Q&A, Help & Troubleshooting

Hi everyone!! I really need help with my Note 2 GT-N7105
My WiFi is really weird! I can turn it on, I can scan for the network, but I can't connect to it unless i stand next to the router. Yesterday, decided to change my IC wifi but it's not working please help me if you know how to fix it. Oh and by the way, I'm already reflashed stock rom
Help me please, thank you

reset

QuanNguyen1302 said:
Hi everyone!! I really need help with my Note 2 GT-N7105
My WiFi is really weird! I can turn it on, I can scan for the network, but I can't connect to it unless i stand next to the router. Yesterday, decided to change my IC wifi but it's not working please help me if you know how to fix it. Oh and by the way, I'm already reflashed stock rom
Help me please, thank you
Click to expand...
Click to collapse
Sounds like the two antenna prongs are not touching the case. They are soft springy tabs, that touch the thin stick on antenna. If loose fit, there is no source to pickup signal from the router. Just lightly bend them out a wee bit and snap your rear cover back on.

gooberdude said:
Sounds like the two antenna prongs are not touching the case. They are soft springy tabs, that touch the thin stick on antenna. If loose fit, there is no source to pickup signal from the router. Just lightly bend them out a wee bit and snap your rear cover back on.
Click to expand...
Click to collapse
You mean two yellow dots inside the phone case??

Can you make a video clip for me, please??

Related

i drop my DHD and its wifi dead

yesterday i dropped my DHD, and i realized the wifi stop working. when i turn on the wifi at settings, it just said "error", and wont detect mac address.
thingkng it just rom acting abnormally, i just reflashed over, aaand.. it still the same. so i factory reset, and it still the same. so i came with a conclusion that the wifi hardware must be broken, so i gave a try to 'knock' it and it works!
so after a small knock again my wifi dead again..
i wonder if it possible to nudge the wifi module, but i dont know where the module located,
the service centre said, they had to replace the main board and cost $145, duh!
anybody had tried to work with wifi antenae?
happened to me two days ago
Check to make sure your battery cover is on properly and not loose. I'm pretty sure that is the wifi antenna.
Sent from my Inspire 4G using XDA
bcd420 said:
Check to make sure your battery cover is on properly and not loose. I'm pretty sure that is the wifi antenna.
Sent from my Inspire 4G using XDA
Click to expand...
Click to collapse
i'm not sure the battery cap has anything to do with this, but i'm pretty sure the battery cap was snap properly.
yeah, i hope someone had the clue how to nudge the antena,
The wifi antenna sits in the battery door, it's the little metal clip you can see in the door when taking out the battery.
You can try to fix yours if it's broken, or buy a new one on Ebay.
Hope it helped.
Zeitraffer said:
The wifi antenna sits in the battery door, it's the little metal clip you can see in the door when taking out the battery.
You can try to fix yours if it's broken, or buy a new one on Ebay.
Hope it helped.
Click to expand...
Click to collapse
Well unless he killed his WiFi controller, then antenna fix not enough :/
Sent from my HTC Desire HD using XDA
WIFI Broken
Nagelzz said:
Well unless he killed his WiFi controller, then antenna fix not enough :/
Sent from my HTC Desire HD using XDA
Click to expand...
Click to collapse
It happened the same to me, I repalced the battery cover and still no WIFI.
I tried using an APK named "FXR WIFI Fix and rescue" it fixed it, but after a day it was unable to connect again.
Looks like it's time to change my dear DHD
Duh, is it so hard to try for yourselves before giving an useless advice?
I just tried wifi with removed battery cover and it's scanning without giving any error.
gampangingats, if you are using Sabsa, it's still possible that this is a ROM issue, happened to me a couple of times, but system restart (full) always fixed it.
Right. This is a royal mess here, with everyone giving different ideas.
First ensure that both covers (battery door & bottom SIM/SD Card cover).
Then try a rock stable ROM (BlackICE, or something CM7 based is always good)
Then try the rooted stock ROM (search for it, its here somewhere)
Report back once you've done all that..
If not, go to the Ace Think Tank (in my signature) and post there. Resident HW expert Glevitan can help you out)

Really weak wifi signal and screen sensitivity issues

So my note 2 has really really weak wifi signal, I am 20 ft from the router with only 1 wall between us and the wifi keeps timing out and sputtering.
I have turned off the power saving wifi and replaced the drivers with the ones from 4.1.1, I have tried numerous kernel and roms.
Is it time to open up the phone to look for a hardware fault?
Also screen sensitivity on the bottom right of the screen is terrible, trying to hit the back space key can be a nightmare at times
Sent from my GT-N7100 using Tapatalk 2
bunnybash said:
So my note 2 has really really weak wifi signal, I am 20 ft from the router with only 1 wall between us and the wifi keeps timing out and sputtering.
I have turned off the power saving wifi and replaced the drivers with the ones from 4.1.1, I have tried numerous kernel and roms.
Is it time to open up the phone to look for a hardware fault?
Also screen sensitivity on the bottom right of the screen is terrible, trying to hit the back space key can be a nightmare at times
Sent from my GT-N7100 using Tapatalk 2
Click to expand...
Click to collapse
Found the wifi fix
I just figured out what the problem is, the wifi antennae in the case was buggered! I ordered a new back of the phone and replaced that and the wifi is fixed!!! I had a feeling that was the cause of the issue but I couldn't be sure till I replaced it. The wifi antennae is above the power button, with the back off you can see it as the long piece of plastic that is stuck in on the very edge. I had to buy a whole new back - it was only about $11 shipped. But it solved all my wifi problems.
bunnybash said:
I just figured out what the problem is, the wifi antennae in the case was buggered!
Click to expand...
Click to collapse
I took the main part out of the chassis frame and found that the spring contact on the PCB (which is supposed to touch the wifi antenna on the chassis frame) wasn't springing up. I bent it up so it matched the profile of the other spring contacts and put it back in the chassis frame and all was well. My suspicion is your wifi antenna wasn't broken (it's just a bit of metal so there's nothing to break, really), just not quite touching the spring contact.
Same Problem
bunnybash said:
Found the wifi fix
I just figured out what the problem is, the wifi antennae in the case was buggered! I ordered a new back of the phone and replaced that and the wifi is fixed!!! I had a feeling that was the cause of the issue but I couldn't be sure till I replaced it. The wifi antennae is above the power button, with the back off you can see it as the long piece of plastic that is stuck in on the very edge. I had to buy a whole new back - it was only about $11 shipped. But it solved all my wifi problems.
Click to expand...
Click to collapse
Good day I am assuming that this is the same thing that has happened to my note 2 it had a fall, everything else is working fine just the wifi signal drops when I step a couple feet away from the router so can I ask for a link of where I can purchase the same part you are speaking of or a picture of where the spring contact is so I can try just bending it up please
Yeah mate when my wife comes home with her phone I will be able to take some pics of my phone and post them up
Sent from my GT-N7100 using Tapatalk 4
bunnybash said:
Yeah mate when my wife comes home with her phone I will be able to take some pics of my phone and post them up
Sent from my GT-N7100 using Tapatalk 4
Click to expand...
Click to collapse
I,m experiencing the exact same problem. Wifi signal has gone extremely weak after a severe fall. Can u please tell me exactly which part to change.
Post a picture, or an amazon link to buy that part?
any help would be appreciated.

Signal loss inside buildings, antenna issues?

So I have the Google Play edition Samsung Galaxy Nexus 16GB. What happened was my power button gave up so I ordered a replacement on eBay and carefully opened up the phone to replace the power button.
After reassembly, I immediately started having signal issues. Basically the phone loses all cell signal inside any building. Once I step outside, signal comes back.
Has anyone else experienced a similar issue?
One thing I have to mention is that upon reassembly of the phone, there was a thin black wire with a tiny coaxial like connector that I disconnected but couldn't for the life of me get it connected again. Could that wore be the problem?
Any tips on how to get it connected again? Is it supposed to snap in? Will I hear a click once its in place?
All help and suggestions appreciated, thanks
AcuraKidd said:
One thing I have to mention is that upon reassembly of the phone, there was a thin black wire with a tiny coaxial like connector that I disconnected but couldn't for the life of me get it connected again. Could that wore be the problem?
Click to expand...
Click to collapse
That is the line to the antenna. You are basically running without an antenna now. Connect it!
Basically, signal strength of GN is very weak.
AcuraKidd said:
So I have the Google Play edition Samsung Galaxy Nexus 16GB. What happened was my power button gave up so I ordered a replacement on eBay and carefully opened up the phone to replace the power button.
After reassembly, I immediately started having signal issues. Basically the phone loses all cell signal inside any building. Once I step outside, signal comes back.
Has anyone else experienced a similar issue?
One thing I have to mention is that upon reassembly of the phone, there was a thin black wire with a tiny coaxial like connector that I disconnected but couldn't for the life of me get it connected again. Could that wore be the problem?
Any tips on how to get it connected again? Is it supposed to snap in? Will I hear a click once its in place?
All help and suggestions appreciated, thanks
Click to expand...
Click to collapse
bpyazel said:
That is the line to the antenna. You are basically running without an antenna now. Connect it!
Click to expand...
Click to collapse
Connect the antenna and yes you will feel a definite snap when it is seated properly.

Screw mix - system use 80% of battery now

Hi,
First you can all say i screwed up and i am stupid.... i assume and i feel stupid, trust me !
I don't know anything about electronic or programming as you but i want to share and maybe find a solution with you for my problem.
3 days ago, I wanted to clean my lens because some dust were on it, so i put out the 2 screws around the lens... of course i did not see they were different...because i am stupid with it ! when i clean it i mixed the two screws so the big one went to deep behind the plastic and make a perforation on a component.
I join a picture to let you see a small hole in the blue part on the right of the camera lens !
Since, the battery is down in 3hours. Android tell me the system use around 80% of the battery and it is warm on the plastic around the lens.
The wifi never want to be put on and the bluetooth too (the MAC WIFI is now : 02:00:00:00:00:00)
The telephone and the 4G are working perfectly
I tried to put a small electric scotch on the hole but this don't change anything.
I just want to use this phone as a phone now, i don't care if the bluetooth, the wifi or the camera is working well or not at all....
Is it possible with the hidden menu to disconnect this component???
Do you have a solution which allowed me to continue using this phone which is perfect otherwise?
Sorry for my english....as you can see, i am not so good with it !
Thanks in advance for your advice...
Any idea of
What is the component i touch with the screw???
how i can use the hidden menu to disconnect wifi and bluetooth???
Thank u
nitsuguaaaa said:
Any idea of
What is the component i touch with the screw???
how i can use the hidden menu to disconnect wifi and bluetooth???
Thank u
Click to expand...
Click to collapse
I have a vs985 & yours is a d855, but I think the boards are similar enough to try and help.
It's not a component you hit - it's just tape. I opened up my phone and tested that spot on the board with a DMM and it looks like a ground plane underneath the tape you punctured. That in itself shouldn't be causing your problems, but if your screw went through the ground plane & into the board it may be shorting something out which could be causing your issues. If that's the case I don't know if your phone is salvageable.
1)Try removing the back cover and see if the issues go away. There is a possibility that when you re-assembled the phone something ended up out of place/off its contacts.
2)Also, I'd take a closer look and see how deep the screw went. Maybe take a fine tip tweezer and see if there is some of that ground plane mashed in the hole & try to gently peel it out.
3)And, of course, try resetting your phone or even re-flashing at some point - just so you can know for sure you didn't have some weird software glitch that just happened to show up after you opened your phone.
Hidden menu - I've never used it and I'm not on stock so I can't tell you much about it's functions. Here's a link... https://www.reddit.com/r/LGG3/comments/3z4nwi/lg_g3_hidden_menu_on_60_marshmallow/
Good luck - hope you get it sorted out
thanks,
I ll try tomorrow and tell you ASAP !!
THX again to spend time for me

A70 weak wifi signal

Hello guys
Is just me or anyone here is having weak wifi signal even when I am near the router while other phones not having this issue!!
Ps: it's only my second day after buying the phone
No issues over here.
mine is fine too, it drops out once in while but so did my last phone lol
robgee789 said:
mine is fine too, it drops out once in while but so did my last phone lol
Click to expand...
Click to collapse
Mine is dropping too .. I hope someone got any notes about this issue before selling the phone
No issues here....
No issues, WIFI working perfectly here
I Feel Sorry For You..
quadcore003 said:
Mine is dropping too .. I hope someone got any notes about this issue before selling the phone
Click to expand...
Click to collapse
Sorry To Read You Received A Faulty Device.. :angel:
There Are Zero Wi-Fi Issues With The A70 On A Mass Level.
You Should Begin The Process Of Obtaining A New Replacement Unit A.S.A.P.
Mine drops frequently to the point that it's frustrating. Check out my post about the screen and tell me if you have the same issues too. We might have the same versions of the device, which appear to be a bunch of faulty versions from the same batch.
I'm having an issue as well. My old phone can and able to detect and connect to my WiFi (which is quite distant tho) meanwhile my A70 can't, I have to get closer to the Wi-Fi in order for it to detect/connect to it but after that if I return to the other place when it doesn't pick it up, I'm able to maintain the connection. It's weird..
Use 3rd party app to connect on wifi. Im using wifi master. Playstore have it
jedtan025 said:
Use 3rd party app to connect on wifi. Im using wifi master. Playstore have it
Click to expand...
Click to collapse
Can u please attach the screenshot of wifi master app because there are so many wifi master apps in playstore
Shozaf.shah said:
Can u please attach the screenshot of wifi master app because there are so many wifi master apps in playstore
Click to expand...
Click to collapse
Here you go buddy
That Wifi Master app is unsupported by the A70 so I don't know why you'd recommend it here
wifi is definitely one of the worst thing on the a70...it drives me up the wall, and i am ready to sell my phone and never touch any samsung anymore because of this...i am not sure, but samsung is trying too hard to make some things "smarter" meaning if samsung thinks your wifi signal is bad it drops connection just like that...exclamation mark, lost connection, switch to data, are countless through the day...and samsung is playing dumb about this problem...
my wife is using lg and meizu on the same network and wifi is working perfectly fine 24/7...
same here. my friend is able to get a stable connection on the same network with a much older phone. However samsung won't do anything about it.
jedtan025 said:
Use 3rd party app to connect on wifi. Im using wifi master. Playstore have it
Click to expand...
Click to collapse
I can't see any app that you mention.
Can you kindly share its link here or pm me.
As my A70 also has weak wifi issue.
Can't see the wifi router downstairs when my old. Samsung note 4 can, laptop can
I'm having the same issue. Weak Wi-Fi signal in my A70. While my other phones are getting full signal. Is there any way to fix?
seems like some antenna problem. you can probably fix it by bridging antenna contacts with the pins on the motherboard with a lump of copper wire. Solder can also help.
to take itapart:
1) insert a thin piece of plastic( like a flexible plastic file) into the gap between the rear plastic and frame, and cut the adhesive, and peel away the rear plastic
2) remove the screws and sim tray
3)slide your finger nail into the gap between the rough plastic and the smooth plastic on the side rails. The rough plastic is the part that is touching the screen, and the smooth plastic is the side rails. The smooth plastic is of a different colour, and the rough plastic is black.
4 pull the side rails away, and examine the copper antenna contacts. you might want to replace the mid frame. If you still have warranty, bring it back to store

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