Questions tagged [connection-issues]

If your question is about trouble connecting your device via Wifi, Bluetooth, or USB, or to the mobile network, this is the correct tag.

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Google services on Raspberry Pi 4 Model B saying it is offline while connected to WiFi

I have just been setting up Android 12L on my Raspberry Pi 4 Model B. After I installed Google Play onto the Raspberry Pi, no matter how hard I try fixing it, all Google services still say it is ...
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19 views

Hotspot keeps turning off randomly

I'm currently using OPPO A9 (Not 2020; it is on Android 11). For using the Internet on my laptop, I turn on the WiFi hotspot on my Android device. After some time, the connection will lose, and I need ...
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18 views

My mobile hotspot works inconsistently

I am trying to use mobile hotspot to enable a connection to my pc. Generally it works, but there are days when the internet works very slowly, and almost doesnt work. The same happens when I use '...
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23 views

Direct ethernet connection between Android TV and raspberry pi alongside wifi

What do I want to do: connect an Android TV with a raspberry pi (NFS server) through direct ethernet connection (i.e. no router in between). Bonus points if wifi connection is also active Why do I ...
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28 views

Weird case, only internet working, calls and messages are stopped

My mobile is Moto G4 Play and has a Jio Reliance SIM in it. I am receiving full mobile networks and I am able to browse internet. But, I cannot receive any calls and messages. I cannot make any call ...
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72 views

Android phone won't connect to LAN computers/NAS box

I have an Oppo Find X3 Pro running Android version 12. On my phone, I have file and network explorer app ES Pro installed. In the app, when I click on 'LAN' or 'Network', it detects all my Windows PCs ...
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2 votes
0 answers
22 views

WiFi stops working every few days

I have an Android 11 smartphone (Sony XQ-BT52). About every two to three days, I experience the following issue: All of a sudden, the phone stops recognizing any WiFi connections. The WiFi symbol ...
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13 views

Network connectivity is lost intermittently Galaxy Note20 Ultra 5G

I have a Note20 Ultra 5G that I have currently had for several months and is also a replacement for a previously damaged Note20. The issue is as follows: When I am at home my phone seems to be ...
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1 answer
95 views

Problem with hotspot - WiFi connection on, but internet is down

I often connect my laptop (U20.04) via Android hotspot (Redmi Note 10 5G). Systematically, after a while, internet connection on my laptop disappears. In particular, the indicator shows that there is ...
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35 views

Pixel3a refuses to connect to WiFi; how to debug and solve?

I've been having this issue for about a week now. When the phone (Pixel3a, Android 12) tries to connect to my home WiFi (either automatically or when I tap my home WiFi in "Internet"), the ...
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33 views

How do i fix DNS/unsecure connection issues for a specific website

I regularly view a specific website (cracked.com) using mobile data without issue. It's not adult content or gambling related. All of a sudden I can no longer load the site using mobile data. (samsung ...
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2 votes
1 answer
48 views

Phone won't automatically reconnect to the mobile internet

My phone (Xiaomi Redmi Note 10, Android 11) spontaneously disconnects from the mobile internet after being connected for a couple of hours, and it won't automatically reconnect. Can stay unconnected ...
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101 views

Tablet stuck on Checking Connection after Factory Reset

Sorry to bother folks, but I'm in a bit of a pickle here! I got this RCA tablet using Android software. It has been running extremely slow as of late, and after removing everything on it, I decided I'...
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2 votes
1 answer
626 views

Couldn't Connect Private DNS (Own DNS)

I have created my own DNS resolver for blocking some web pages and I can't figure out how to use it on Android. If I configure the DNS of any other device to use my DNS, it works like a charm (I've ...
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68 views

Lost mobile data connection upon Android 11 minor upgrade - from Sep 1, 2021 to Nov 1, 2021 - APN menu gone - Motorola moto g 5G

My Motorola moto g 5G was updated to Android 11 with Android security update Sep 1 2021 a few weeks ago. Everything worked fine until a few days ago when there was a seemingly minor update to Android ...
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1 answer
391 views

Hotspot or USB tethering not functioning on Xiaomi Redmi Note 9 Pro on Android 11

My Xiaomi Redmi Note 9 Pro on Android 11 was updated to the latest MIUI. When I activate the hotspot or USB tethering, when connecting from my PC or other phones, it does not let me surf or use the ...
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32 views

Taking a long time to connect to the internet (connected - no internet)

This is not a permenant problem but rather an intermittent, yet constant one. Lemme explain... A few days ago I changed my wifi router and my phone would connect to it but it says "connected, no ...
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2 votes
1 answer
1k views

"Something came up. The application has cancelled the request to choose a device"

I'm a tech savy person but this has me at my wits end. I have two apps and two devices I want to connect to with my OnePlus 5T running Android 10, OxygenOS 10.0.1 Image Sync, trying to connect to ...
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53 views

Apps work with mobile data, but not WiFi?

I have an android phone, where spotify and instagram refuse to work, and behaves as if there is no internet connection when the phone is connected to my home WiFi. If I switch to mobile data, these ...
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1 vote
1 answer
72 views

Japanese SIM card not connecting to network in US

I have a Samsung Galaxy S8 SM-G950U that I used with Verizon. I moved to Japan and got a Japanese SIM card through SoftBank and used in my Galaxy S8 without a problem. My account has a global roaming ...
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49 views

"cold Blooded" hotspot : frequent internet connection failures. ... why do they happen

Short Story shorter Hotspot denies internet access to Puppy Linux client only on a specific laptop while all other clients have no issue ( the same laptop with Windows partition can connect ...
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1 answer
54 views

Hotspot connection lost to PC every few minutes

My only internet connection at present is via a hotspot on Moto G7 (running Android Version 10) connecting via GiffGaff (which runs on the O2 network). I keep the phone data on 3G as 4G seems slower ...
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1 vote
0 answers
55 views

is it possible to use a mobile phone internet access as a hot spot to a PC and PORT FORWARD for TELNET access to BBS running on laptop?

I have set up a BBS on my laptop and use my mobile data for all internet access. I am able to connect to other BBS's via TELNET so assume port 23 is open on mobile network, EE. I assume my phone is ...
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1 vote
0 answers
35 views

How to diagnose wi-fi on Android?

I'm an Android enthusiast, as most of you, and I installed Lineage OS on my Oneplus 6 two months ago. Everything works fine but not Wi-Fi that randomly disconnects from my router. In the end of the ...
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188 views

Is android letting apps know I'm using VPN?

I'm abroad and trying to use my Norwegian app using a VPN, but somehow it knows I'm connecting though VPN and denying me to stream. (It's giving a specific exception giving this exact information.) ...
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1 vote
0 answers
2k views

Note 10 Plus Stuck with Partial Flight Mode (Faded Blue). What does this mean? Is this an indication of hardware failure?

I haven't yet come across a situation where factory reset didn't resolve the issue. This one is very intriguing to me as I could not conclude why the phone could stay in the partial flight mode (faded ...
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6 votes
1 answer
1k views

Android 11 Wifi no internet, even though there is internet

Edit: after getting the hint to try creating a new SSID on my WiFi router, I now resolved the problem by just connecting to the same router but with a separate SSID. I still have no idea what the ...
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2 votes
0 answers
115 views

Certain apps lose all internet connectivity until reboot

I have put off asking the question for some time because I know it is vague and terrible to debug so I welcome your help refining the question as well as potential solutions. A range of certain apps ...
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1 vote
0 answers
35 views

No tetwork (sim card doesn't allow connection to this )

Help please. I repaired my phone's imei with xposed and now i have no network connection. When i choose a network it says: sim card doesn't allow connection to this. I put the sim in other phones and ...
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1 vote
0 answers
18 views

No or very poor cell signal in areas I know have good signal

My phone worked fine till about the middle of yesterday. I live out in the country but usually I see 3 to 4 bars sitting at my desk in the basement. But now even if I walk up to the top of the hill (...
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1 vote
1 answer
64 views

Syncthing does not work with AFwall+ activated

Syncthing does not get any connection as long as AFwall+ is activated. It should work in my WLAN at home. Mobile data is disabled because I don't need it. I am using LineageOS on my mobile phone. Here ...
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1 vote
0 answers
136 views

Some websites not reachable using cellular data but working perfectly using Wifi

I a have a Xiaomi mi 9 se phone and I am not able to access some websites using their IP adress. To give you some context, I have some servers I wish I can access but it not possible, I receive a ...
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0 answers
42 views

whatsapp not connecting to network until opened

The problem is only with whatsapp app, only in my android device and only when connected to my WiFi. Background data is turned on. Battery optimization is off. Account sync is enabled. Proxy is none. ...
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0 votes
0 answers
49 views

My phone loses connection after sending 150-200 sms

I'm sms spamming to my business number (because of a campaign from my provider). But after sending 150-200 sms from my personal number to any number my phone loses connection. I called the service ...
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0 votes
1 answer
43 views

Why are these picture-related apps blank?

I've been wondering a lot about this when it happened which I was using Walli* app yet after I have changed my ROM, maybe the app gets blank no matter how I install it. But after a time, I've also ...
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1 vote
0 answers
24 views

Can't make and receive calls with good signal

Sometimes my smartphone can't make or receive calls (haven't tried SMS) despite signal being good. I can connect to LTE internet though. Turning airplane mode on and off solves the problem however it'...
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0 votes
0 answers
30 views

Why my Android suddenly stopped connecting to my Mac?

I usually use my Android device (Samsung Galaxy S7, Android version 8.0.0) to debug my app from my Mac (developer option enabled). Usually when I connected my Android, the Android File Transfer will ...
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1 vote
1 answer
93 views

Unable to connect phone to pc. Phone charges only

My phone model is Huawei G7-L11. Android version is 6.0 Hey there, I want to connect my phone to PC to be able to unlock its bootloader. When I connect to PC, It charges only and that's it. What I did:...
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1 vote
1 answer
768 views

Will a Xiaomi Redmi Note 9 (international version) work reliably in the United States (comparable to a domestic phone)?

I'm buying a new phone, upgrading from an LG Q7+, and so far the best phone I've seen is the Xiaomi Redmi Note 9. The only con to this is that the Note 9 is only available in International version, ...
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3 votes
0 answers
722 views

USB tethered device cannot communicate with WLAN hotspotted device on the same Android phone

Here I have one Android phone, the provider, a device, usb, connecting to it through USB tethering, and a device wlan connecting through WLAN hotspot. So once usb connected, it got assigned an IP in ...
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0 votes
0 answers
892 views

wpa_supplicant issues on android phone

Disclaimer: My knowledge of android as well as the inner workings of wifi connections are exceedingly limited. Additionally, I'm new to stackoverflow, so I might just be the worst customer you had... ...
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0 votes
0 answers
72 views

Can any mediatek android use HotKnot as long as the appropiate files are included in the ROM?

Where I am currently living, my government has blocked internet access. We are sending important messages to each other using various mesh network apps like 'firechat', but the problem is, many of my ...
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2 votes
1 answer
509 views

How to avoid WiFi disconnection if Google cannot be pinged?

Say I have blocked google and the sorts with my router. Now Android thinks that the wifi has no connection because it can't ping google and uses my mobile data instead although the WiFi is perfectly ...
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0 votes
0 answers
72 views

WiFi network limits connection time - can I "change my MAC" and reconnect?

On a PC, you can change the MAC address of a network adapter - Ethernet, 802.11 Wireless - and thus assume a different "identity" than previously. Now, I'm stuck in a train station for a few hours, ...
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3 votes
1 answer
834 views

Motorola G4 refuses to connect to iPhone's Hotspot

I have an odd situation, I recently purchased an iPhone XS and for some reason, my older Moto G4 cannot connect to the hotspot provided by the new phone. The situation is odd because other phones, ...
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0 votes
0 answers
79 views

Will Samsung galaxy s10 works in my country?

You may know that samsung galaxy s10 have two different versions, one with Qualcomm chipset and one with Exynos chipset. From reviews in the youtube and sites like bgr and anandtech, I'm more biased ...
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0 votes
1 answer
2k views

Apps don't work with IPv6 enabled in router

So I've been having this issue for a while now where apps work fine over mobile data won't work when mobile is connected to otherwise perfectly working WiFi. Some such apps are- Discord (keeps on ...
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0 votes
0 answers
37 views

Are printer drivers technically possible?

It seems that printer manufacturers like Canon provide a printing app for Android devices, from which you can print documents and images stored on your Android device, but not printer drivers. So you ...
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0 votes
1 answer
986 views

Mac Fails to recognize my Android phone through USB

I installed ADB via homebrew but running adb devices returns an empty list. I also tried system_profiler SPUSBDataType but I still fail to find my device here. I don't have EasyUSBTethering issues on ...
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0 votes
1 answer
385 views

Third Party Apps cant get wifi SSID

This is the my first time asking in this SE site. I have a Xiaomi Redmi 6 Pro running MIUI custom from Xiaomi.eu. The problem is that in every app (third party apps) that uses Wifi, the SSID is not ...
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