Questions tagged [cellular-carriers]

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1answer
38 views

I'm shopping for a used iphone to take to Brazil. Should I buy GSM or CDMA?

I'm shopping for a used iphone here in U.S. to take to Brazil. I’m not sure how to evaluate if I want to prioritize GSM or CDMA for this area. Is there advice or references that can help me decide?
2
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1answer
14 views

How can I make it as easy as possible for someone to make an emergency call?

My mother-in-law lives with us and is in poor health. She is wheelchair bound and has COPD, needing assistance with an oxygen compressor and oxygen tanks. In recent weeks, there have been a few ...
1
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1answer
49 views

Shortcut to switch off and on individual cellular network

iPhone iOS13 w/ dual SIMS: T-Mobile (EU) & AT&T (US). I need help shortcut script: IF I arrive home THEN turn on airplane mode and WIFI GO To Settings -- Cellular (Cellular Plans) 1 ...
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2answers
93 views

How to avoid iMessages services carrier charges after every restart?

Everytime I restart my iPhone, I have to verify/activate my iMessage services(both FaceTime and iMessages) and everytime I have to pay carrier charges. Edit: I selected the option to use Apple ID to ...
1
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0answers
70 views

Incorrect phone number format when dialing from iPhone

iPhoneXs iOS 13.4 (also affected 13.3.x) Carrier: AT&T e-SIM (no physical SIM) On a recent trip out of the U.S. I added a 2nd SIM card and a local calling plan (Turkcell) so I could use my phone ...
2
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2answers
53 views

Does iPhone need to be Unlocked GSM to work in Cuba?

My sister who lives in Cuba, wants me to bring her an iPhone on my next trip. I am looking at ones that are unlocked, open box as they are less expensive, but I need to know if it has to say "GSM ...
3
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0answers
151 views

Can DNS over HTTPS that works for WiFi be modified to work with Android cellular data tethering over USB?

I have configured DNS over HTTPS based on these guides: How to implement DNS-Over-HTTPS and Setting up DNS over HTTPS on macOS. This works fine over Wi-Fi with the DNS Servers set as 127.0.0.1 and ::...
6
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1answer
958 views

In countries where the Emergency Services can be called without a SIM card, what caller ID is shown to them when called from an iPhone?

In countries where it's possible to make calls to emergency numbers (911/999, etc) from an iPhone that has no SIM inserted, how is it possible for the emergency services to track a device - would it ...
6
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2answers
1k views

iPhone receives SMS from Info

I am receiving an SMS from Info on an iPhone running iOS 13. There is no contact Info in my address book. Does this perhaps mean that the sender suppresses her address/telephone number? Or what else ...
0
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1answer
456 views

Do people that are called through FaceTime show up on my carrier's bill? [duplicate]

I was just wondering if FaceTime calls show up on my carrier's (Sprint) bill as a regular call, like the number that was FaceTimed and when and the length of the conversation.
2
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1answer
1k views

Carrier name in the status bar not showing

I noticed my phone not displaying my carrier name (Vodafone UK) in the status bar at the top of the screen, but then after a few minutes it came back (I’m running iOS 12.3.1). Does anyone know what ...
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0answers
81 views

How has tethering changed in iOS 13?

How has tethering changed in iOS 13? The UI in the Settings app is different, but I'm finding my Kindle Fire tablet can no longer detect an Internet connection when tethered to any of three different ...
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0answers
63 views

Why does my phone get stuck “Searching…” and requires a DFU reset?

I have an Iphone 8 plus, very well looked after, and about 3 months ago i changed my carrier. Two weeks ago, my phone "failed to activate mobile network" a few times, and i restarted it, which put it ...
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0answers
42 views

Why does my iPad number say unknown? [duplicate]

I go to settings>General>about and Cellular Data Number is unknown but I can’t use what’s app or anything I can’t give my friends my number as I have a new sim. Does anyone have a resolution?
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2answers
89 views

Switched carriers after ordering iPhone 11

I ordered the iPhone 11 with Verizon on the day it came out, and a few days later my family switched from Verizon to T-Mobile. When I'm setting up my phone, it's still trying to activate with Verizon, ...
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0answers
57 views

Why does my cellular data connection keep dropping on an iPhone?

I have an iPhone 6 and recently I have been having issues with my data. Either the connection randomly drops or becomes so slow its unusable. This is very frustrating because my iPhone's hotspot is ...
1
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1answer
38 views

Configuring Wi-Fi calling with MVNO

Given a T-mobile issued iPhone that is Wi-Fi compatible and SIM unlocked, How can I configure wifi calling to work with a corresponding Mobile Virtual Network Operator (MVNO) (i.e. Mint Mobile)?
3
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1answer
3k views

iPhone 'My Number' is missing in the settings app - can I get it reinstated?

My number tab is not showing any number and it's blank. I am unable to tap on it to input the number myself. Hence, iMessage and Facetime can not be accessed using my phone number. How can I get my ...
0
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1answer
37 views

Mobile data Network selection

In settings > mobile data > network selection, there is an option called automatic. I turned this off, and it seemed to show which other mobile networks there were available, e.g. EE, 3, and so ...
3
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3answers
1k views

WhatsApp calls on an iPhone and “data” and “minutes”

Am I right that if I use my iPhone (which I have not yet bought) to make a WhatsApp to WhatsApp call then the position is as follows? If I am using wifi, this activity does not incur charges (because ...
0
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1answer
2k views

How do I report spam that appeared in Messages on my iPhone? - In particular, the kind marked, “Text Message” - delivered by my carrier, NOT Apple

How do I report spam like this, which appeared in Messages on my iPhone? My carrier is AT&T. As I understand it, we can tell from the screen shot (because of the "Text Message") that my carrier ...
1
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0answers
394 views

iPhone using cellular data even if disabled

I'm currently abroad and my carrier is charging absurd fees for data plan. I decided to turn off completely cellular data and rely only on WiFi but my iPhone is still using few KBs of data every day. ...
3
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1answer
866 views

To understand working of Cellular iPad+iPhone and number of sim cards required

I am totally confused by iPad Cellular calling features. If I put a sim card in iPad cellular, how do I make or receive calls in iPad since, there is no default dial app in iPad. Case 1: 1 sim card: ...
3
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1answer
9k views

I can’t remove my old phone number from iMessage or FaceTime

I had an old phone number on my iPhone 8 carrier free. I recently switched to another carrier but I cannot use my new phone number to activate iMessage. Furthermore, I cannot remove my old phone ...
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0answers
45 views

Why does iTunes ask me to update my carrier settings?

and then tell me that it has failed ... Should I just ignore this as my phone is working fine? My internet connection is fine.
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0answers
801 views

Previous .ipcc files for iOS

My operator recently pushed a carrier update and it has messed up my 2G/3G/LTE switch, which is vital for my survival in low signal-strength area. So reverting to old settings is only way for me. For ...
3
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2answers
29 views

Reseting iPhone 6s with iTunes

My iPhone 6s is disabled. If I reset it with iTunes will I lose service with my carrier? I already know how to erase my information off the iPhone with iTunes, but I'm wondering if I do it, will I ...
1
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1answer
59 views

iPhone 7 has a cellular bug. Apple will repair - if i pay $$$ to have screen fixed too. Help!

iPhone 7 has a known bug that causes cellular service to sometimes fail - so the phone no longer works as a phone. Took phone with this bug into Genius bar, and was told they'd repair it for free - ...
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0answers
479 views

Is iPhone X (model A1901) totally useless in China?

This is a screenshot from the device that I have: I was doing research which Chinese operator is compatible with my device. iPhone X - Technical Specifications - https://support.apple.com/kb/SP770 ...
2
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1answer
39 views

How to change carrier on iPad 2nd generation?

I have a 2nd generation iPad which has both WiFi and Cellular connection. It is an iPad that I was using during a few years that I was living in Japan and has a Japanese phone company cellular ...
2
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2answers
4k views

Visual Voicemail Save Greeting: The operation could not be completed. (com.apple.mobilephone error 1035.)

I have MetroPCS. I set up my greeting earlier this week. I had bad reception so called their support and they 'reset the network'. Now I can't save my voicemail greeting. I get this error. I took the ...
5
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2answers
13k views

Should I jailbreak my phone or unlock it?

My sister recently gave me her iPhone 7+ from T-mobile because she has switched phone companies. The only problem is she owes T-mobile for the phone but I doubt she is planning on paying off the phone ...
6
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1answer
871 views

Lock code needed to erase Iphone data

About a week ago, I went to the Sprint store, and traded in my iPhone 6 for an iPhone 8. They told me that they wouldn't erase the data on my existing phone for a few days in case I noticed that ...
1
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2answers
13k views

How to disable phone calls and text messages in iOS / on iPhone?

I don‘t use mobile phone call and text messaging any longer but I need to keep cellular data / internet running since FaceTime, WhatsApp replace sms and cellular calls with better quality. To ...
1
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1answer
16k views

Recovering lost voicemails after carrier switch

I switched from AT&T to T-Mobile today, and all the voicemails I had on my iPhone 5S (iOS 11) were lost after my AT&T account was closed. How can I recover them?
1
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0answers
188 views

How do I open a .prl file?

What program can I use to open a .prl file? I want to view the preferred roaming list from my carrier bundle, but I don’t know which software will open this file.
3
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4answers
837 views

Control iPhone Remotely

Can you control an iPhone remotely using Mobile Device Management protocol? or any other protocol/service? Of course, the user's consent will be obtained before performing any actions. I am mainly ...
0
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1answer
38 views

iPhone 4 jailbroken

I have a jail broken iPhone 4 (allowing me to use it as unlocked) but I have no idea if this phone was initially locked to a network in the first place before it was jailbroken. I have entered my ...
1
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1answer
267 views

(iOS 11) What does “ESN Locked,” mean? (Sprint)

I'm trying to sell my phone on eBay but they returned it and said the issue was that the ESN was locked. What does that mean and how can I fix it? The phone is connected to Sprint. Thank You!
4
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1answer
3k views

Wrong carrier name

Two days ago I noticed that my iPhone 7 (iOS 11.2 Beta 4) switched to another (foreign) carrier. This hasn't happened in a long time but since I live near a border I thought it plausible and just ...
2
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1answer
205 views

iCloud Locked AT&T iPhone 6

My Friend recently gave me her old iPhone 6 and she said that it was currently iCloud locked to AT&T. I have no clue what an iCloud locked AT&T iPhone means. Can I still use the iCloud Locked ...
1
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2answers
305 views

Is it necessary to select a carrier when buying an iPhone online from Apple?

I am planning to buy an iPhone X during an upcoming USA trip. During the buying process on the Apple Store, I am asked to select a carrier between AT&T, T-Mobile, Sprint and Verzion. I dot not ...
1
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1answer
557 views

Are all iPhones the same across carriers now?

I know that several years ago, some iPhones had CDMA and others GSM, and others yet had both, depending on which carrier the phones were meant to work with. But I read somewhere that nowadays, all of ...
1
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1answer
602 views

Where to find model for downgrade.Is that GSM or Global?

I would like to know my iPhone's model no. Is that GSM or Global? On the back of the phone it says “Designed by Apple in California Assembled in China – Model A1530”. I am from India. Where do I find ...
1
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1answer
1k views

Retrieving phone call duration on iOS?

I'd like to see data on past voice calls using an iPhone. How far back can you check for a time duration that was made on my behalf without resorting to contacting a cellular carrier or looking at my ...
1
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1answer
2k views

Why does my cellular iPad not have the cellular capabilities?

I’ve recently purchased an iPad Air advertised as ‘Wifi Only’ but it has the sim card tray & antenna. I’ve got the exact same model A1475 in a different storage capacity variant side-by-side with ...
2
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2answers
580 views

How to unlock an iPhone which locked to TalkTalk?

I have an iPhone 6S locked to TalkTalk (a UK network) which was bought from Carphone Warehouse - a retailer so it locks to whatever network of the first sim that is inserted (TalkTalk). Since ...
1
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1answer
6k views

iPhone, is Reset Network settings necessary after a Carrier profile install?

My phone carrier requested an update of the Carrier Profile (Delete + Install). They suggested also to perform a Reset Network settings after the profile installation. Is it really necessary? I don'...
1
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2answers
463 views

Can I use my UK iPhone 5S in the USA?

I have an iPhone 5S registered in the United Kingdom with a United Kingdom simcard and number from T-Mobile. I have moved to the USA permanently and cannot call or text any American numbers. I have ...
0
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1answer
340 views

How to connect unlocked iPhone 5s to Verizon

I have a fully unlocked iPhone 5s bought in New Zealand, and I wish to use it in the US on the Verizon network, however when I gave them the IMEI number they said it was locked and they couldn't ...