All Questions
89 questions
29
votes
5
answers
421k
views
Restrict an iOS app from using Wi-Fi internet
iOS allows you to restrict specific apps from accessing the internet when using cellular data.
Is it possible to do the same when Wi-Fi is turned on?
Is there any way to restrict an iOS app from ...
- 1,546
16
votes
1
answer
19k
views
Unable to communicate with secure web proxy on iOS 8
I am attempting to connect to a web proxy server using the Charles proxy application installed on Windows.
I have two iPhones - an iPhone 5 running iOS 8.0.2 and an iPhone 4 running iOS 7.1.2.
I ...
- 1,081
14
votes
2
answers
39k
views
Does iOS have a firewall?
Does iOS support a built-in firewall like macOS does? I don't see anything about it in Settings.
- 12.8k
13
votes
3
answers
172k
views
Latest iOS 9 doesn't show WiFi symbol, even when connected to WiFi
How do I display the WiFi symbol when connected to WiFi? iOS 8 used to show the WiFi symbol in place of LTE when connected to WiFi. Now, after the iOS 9 update, it always display LTE, even though I'm ...
- 1,713
12
votes
1
answer
7k
views
Auto-connect to iPhone hotspot [duplicate]
My iPhone Wi-Fi hotspot (first one in the screenshot) is shown with a different icon from any other hotspots (Android, broadband etc).
This doesn't bother me except I need to manually re-connect ...
- 233
7
votes
2
answers
28k
views
How to monitor the network usage of specific apps on iOS?
I am currently helping someone who has experienced large amounts of data being transferred over her DSL connection. After long research (via IRC support) I found out that her iPhone is obviously ...
- 71
6
votes
4
answers
167k
views
Is there a way to force iphone 5 to 2.4ghz?
Upgraded my wifi router to a Orbi RBK22 with 2.4 and 5. I have a wifi camera that only uses 2.4. To set up the camera on the new router, the iphone with the camera setup app, must both be on 2.4. ...
- 61
6
votes
1
answer
51k
views
What is Wifi-Networking option under system location services in iOS 7?
I've noticed an option called Wifi-networking and I can't seem to figure out what it does, exactly.
- 7,313
6
votes
1
answer
3k
views
iPhone location shows old house location address after a whole month
A month ago I moved to a new house which sits roughly one mile away from my old house. Unfortunately, my iPhone location still shows my old home address which affects every single app that requires ...
- 61
5
votes
2
answers
2k
views
How does an iOS device (iPad or iPhone) receive “push” notifications?
An iOS device (iPad or iPhone) receives notifications, even when the device is sleeping. Apple calls these “push notifications”.
How does the device receive these notifications? Are there any ...
- 2,408
5
votes
3
answers
789
views
How to fix iPhone X + iOS 13 Slow Wifi?
How do I fix slow wifi on an iPhone XR (iOS 13.4.1)?
The boss has an iPhone XR (iOS 13.4.1), and I have an iPhone 6 (iOS 12.4.5). The iPhone 6 gets 100% better Mbps throughput around my house. I have ...
- 138
5
votes
2
answers
4k
views
iPad/iPhone on iOS 5 - images don't always load in Safari, just on my network
This question is baffling to say the least, as I'm just not sure how to diagnose where the problem is happening.
Here's the problem: when I am connected to my network in the office (but not on other ...
- 59
4
votes
4
answers
12k
views
Multiple Wi-Fi APs: Use same or different SSID?
I have multiple Wi-Fi access points in my house. What's the best practice, should I use the same or different SSIDs?
I currently have different SSIDs because I like to know which AP I'm logged in to. ...
- 688
4
votes
1
answer
742
views
Can I slow down my iPhones network connection while testing an app?
I'm trying to test an iPhone app that needs to be usable in low-bandwidth / poor signal areas. I know I can slow the network on my Mac and the simulator in Xcode, but not how to slow iOS and iPadOS ...
- 143
4
votes
2
answers
74k
views
Getting IP address of hotspot connection
I want to find out the IP address of my iPhone Hotspot connection.
I can enable it, and connect to it with a laptop, etc - but I want the IP address so I can telnet to the iPhone (I've set up the ...
4
votes
0
answers
539
views
IOS 13.2.2 Incorrect Wifi password
I have an iPhone with iOS 13.2.2. Until today, my wifi connection was totally normal. After I turned wifi off and back on again, it keeps saying "Incorrect WiFi password". I tried the following steps ...
- 183
3
votes
2
answers
4k
views
I cannot connect to (specifically) google.com with any app using cellular data
All other websites work and can be quickly accessed, even youtube.com will load. google.com will simply not load at all when I try to connect to it over cellular data. It does work over Wi-Fi, however....
- 31
3
votes
2
answers
20k
views
iOS System Services > Time & Location uses excessive cellular data. Why? How to disable?
Since iOS 11 update I noticed that my iPhone 6s started to drain cellular traffic very fast. Before, I was able to keep within 500 MB per month but now 1 GB is not enough.
I looked at the settings ...
- 465
3
votes
5
answers
4k
views
iOS Wi-Fi is turned off for some application and cannot turn on?
This actually looks like an iOS bug. There are quite some related issues that I cannot put all of them in the problem subject, so I am going to describe the background now.
Update by the end of 2020: ...
- 207
3
votes
3
answers
10k
views
Cannot access .local addresses from my iOS devices
I have a computer that is hooked up to my entertainment center that runs an EyeTV media server. I hadn't used it in over a year because we moved and I couldn't pick up any stations, but I bought a new ...
- 1,307
3
votes
13
answers
72k
views
"Could not activate cellular data network" - cellular data not working on iPhone
I am getting an iOS system error:
Could not activate cellular data network
Turn on cellular data or use Wi-Fi to access data.
while I'm not connected to Wi-Fi and I'm trying to use any apps ...
- 338
3
votes
1
answer
3k
views
How to prevent iPhone from auto-connecting to unknown Wi-Fi?
One thing I never do is to connect to foreign Wi-Fis. But my iPhone decides to automatically connect to those.
Translated:
Welcome to the Telekom HotSpot (german network provider). You are ...
- 31
3
votes
2
answers
1k
views
Automaticly and seamlessly sync iPhone photos as soon as they're taken (over the air)
I use Snappy. That's my preferred photo app of all! So, please, keep this in mind.
Ideally I want to be able to sync to picasa and dropbox. But I wouldn't mind if it was flickr, picposterous or ...
- 3,554
3
votes
0
answers
198
views
WiFi constantly disconnecting on iOS 13.5 / iPhone XR
I have noticed recently that my iPhone XR quickly flicks from WiFi to cellular and back to WiFi (taking around 1 second) when I wake it. Sometimes this happens after the device is locked for less than ...
- 83
3
votes
0
answers
2k
views
iOS create ad-hoc network
Is it possible (with or without jailbreak) to create a wireless access point from iOS 12 to serve as a 'router'?
I don't want to share iOS internet connection, the phone will be located in a place ...
- 31
2
votes
3
answers
5k
views
Crazy "System" traffic data - What to do? ios 9 - iphone 6s
I have a very limited data amount (only 1 Gb of 3G / 4G) per month
So natrually I took all the steps in order to limit my data drainage:
Disable Wi-Fi assist
Only five applications have access to ...
- 325
2
votes
1
answer
3k
views
Can I configure a fixed IP address on my iPhone?
Hi is it possible to configure a fixed IP on my iPhone? I'm interesting in something like the location provided my the "apple" menu in OS X.
- 25
2
votes
1
answer
68
views
iOS Ad-Tracker blockers. Who is your champion? [closed]
Firefox Focus? BlockBear? Brave AdBlocker?
Another specialized browser? DuckDuckGo? Ghostery?
- 43
2
votes
3
answers
71k
views
How can I change print quality and print profile settings when using Airprint?
I just got a new wireless printer and I love that it lets me print from any device on my wireless network, even my iPhone. There is, however, one feature that appears to be missing.
When I print from ...
- 123
2
votes
1
answer
1k
views
What is the API call that iPhone makes to check if a number has iMessage enabled
I tried to sniff the http calls by setting up a proxy on my laptop in the same LAN as the iPhone. Once that was set up, I entered different numbers that I know have iMessage enabled into the number ...
- 121
2
votes
1
answer
2k
views
Strange Ports opened on my Iphone?
I've run NMAP several times on my home network in my campaign of learning the basics of network security.
So far all my devices except my PC have been Iphones/Chromebooks so nothing has been found in ...
- 21
2
votes
1
answer
5k
views
How can I see the WiFi password my iPhone is using?
My iPhone is connected to my home network. I'm setting a new computer up with Windows, and it's asking me for the WiFi password.
If I don't want to go in a different part of the house to look for it, ...
- 3,991
2
votes
1
answer
9k
views
iOS 14 WiFi 5GHz issues
After updating my iPhone 11 to iOS 14 I've noticed that I constantly face issues with my WiFi network.
What happens is that you use the Internet and suddenly notice that webpage is stuck or whatever ...
- 175
2
votes
1
answer
4k
views
Can't make WhatsApp calls over Wi-fi on iOS14
I have an iPhone 11. Yesterday while it was running iOS 13, all was fine, I could make WhatsApp calls over my Wi-Fi. I updated to iOS 14 in the morning. And now when I'm trying to make a call on ...
- 21
2
votes
1
answer
809
views
Does the iPhone 5S with iOS 8.4 have a cellular data addiction?
Recently, I've been running out of data each month and it's being bugging me because most of the time my phone is either at home, or at work, where there is WiFi. Surely I can't be using that much ...
- 21
2
votes
1
answer
6k
views
What causes an iPhone IP to keep changing when it hits a website repeatedly?
My friend's iPhone 4 has a strange behavior. When on 3G, going to an IP detection website, his IP seems to be changing pretty much on every request! His phone is supposedly traveling all over the ...
- 2,758
2
votes
0
answers
961
views
iPhone Reporting Wrong Location when connected to WiFi
My iPhone 13 Pro Max (iOS 16.1.2) and my partner’s iPhone Xs Max (16.2) are reporting incorrect location info. We recently moved places< this was about 3 months ago.
At the beginning, both of our ...
- 21
2
votes
0
answers
214
views
All of WiFi passwords seem to be lost on my iOS devices
Recently, I confirmed that my iPhone wasn’t connected to a WiFi network of a cafe I frequent. So I have to ask the staff for letting me know the password again.
At first I thought the cafe renewed the ...
- 3,813
2
votes
0
answers
596
views
In iOS, is there any way for me to bypass a VPN for specific websites?
I'm trying to set up a IKEv2 VPN on my iPhone that uses "connect on demand". However, there's a few websites where it's important for me to not use the VPN when connecting to them. Is there any way I ...
- 2,760
2
votes
1
answer
9k
views
iPhone will not connect to corporate WPA2/Enterprise network
Starting today all iPhones on our corporate network are unable to connect to any of the 4 WiFi access points. I had no issues as of yesterday.
Android devices and laptops have no issues. IOS ...
- 271
2
votes
0
answers
958
views
Does Apple's iOS have a backup DNS server configuration?
Yesterday I experienced something interesting while setting up a Wi-Fi access point. The access point was connected to the Internet via a local modem (gateway), which had no DNS server address ...
Christian
2
votes
0
answers
30k
views
Why won't my iPhone 4S let me turn on the wifi? [duplicate]
When I go to Settings then to Wifi, I cannot turn it On.
I had read in another question I should Reset Network Settings but that did not seem to help.
Does anyone have any idea what I could do?
- 21
2
votes
3
answers
2k
views
Internet Sharing to iPhone over USB not working
I'm unable to share my macOS Ethernet connection with my iPhone over USB. I tried both the 'Internet Sharing' and the 'Content Caching' methods. I can see the iPhone in Finder but the iPhone does not ...
- 121
1
vote
1
answer
8k
views
Does "Reset Network Settings" affect all devices?
If I reset my Network Settings in iOS/iPadOS, and so lose all my WiFi networks/passwords, will my other iOS devices also lose them?
The reason I ask is that WiFi networks appear to be stored in the ...
- 4,611
1
vote
1
answer
1k
views
Clearing data on a stolen iphone 5s when my phone has no network?
My phone has recently been stolen, I immediately went to my network provider and cancelled my network on the handset, I then found out I could remotely erase all data on the handset however it says ...
- 11
1
vote
1
answer
415
views
How to make device with Apple IOS 16.1+ stop using "Limit IP tracking"
We have a public WiFi with auth portal, where access to the internet is granted to a user after watching ads. Access to the internet in unauthorized state of a client is restricted by IP access ...
- 11
1
vote
1
answer
1k
views
My iphone 14pro’s hotspot is being used from “other devices” when i have already changed the password multiple times
My iPhone's (17.1.2) hotspot is being used and I have changed the password multiple times and the “other device” is using like 60mb in 30seconds.
For most of the other people who have had this problem,...
- 11
1
vote
1
answer
632
views
iPhone 12 personal hotspot stuck on 2.4Ghz
I have an iPhone 12 64GB and the 5GHz personal hotspot stopped working a few months back.
The "Maximize Compatibility" switch doesn't seem to do anything, it always shows up as a 2.4GHz ...
- 13
1
vote
1
answer
4k
views
Why does my internet not work when on cellular data with a VPN enabled
I am using 16.1.2 on Iphone SE 2.
I am using NordVPN on the device that was automatically configured by the app.
When I am on WIFI, the internet and VPN all function as expected. When I am on cellular,...
- 163
1
vote
2
answers
6k
views
FaceTime uses mobile data even when good Wi-Fi is available
Often when I use FaceTime it will run over mobile data, even when a good working Wi-Fi is available. And this always with the same Wi-Fi
Wi-Fi Assist is turned off as recommended in this Answer.
At ...
- 13