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Questions tagged [sim]

Subscriber Identity Module: a chip card or electronic analog that maps a cellular service account to a specific hardware device.

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Cannot physically remove deactivated SIM from iPad Air Gen5, can I still use eSIM?

Cannot physically remove deactivated SIM from iPad Air Gen5, can I still use eSIM? iPad is encased in an Xciel case and thus deactivated SIM cannot be removed. Can we still use eSIM? We cannot ...
zenna zen's user avatar
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0 answers
20 views

SIM shows no service most of the time

I’m using BSNL SIM which shows no service most of the time on my iPhone SE 2022 model. But the SIM works perfectly on Android phones. I contacted their support but no solution was given since the ...
Krishnadas PC's user avatar
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34 views

How to prevent SIM (not eSIM) from getting signal? [duplicate]

I want my SIM to utilize Wifi calling using the internet eSIM provides. I tried changing "network selection" from auto to specific options. It works only sometimes to get no signal
user3722246's user avatar
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24 views

Why don't telecom SIMs work on non-mainland iPhones?

In China, I went to telecom with my Western-bought iPhone, and the shopkeeper (anticipating a problem) had me test out the SIM first. The SIM didn't work properly, having only "LTE" for data ...
minseong's user avatar
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0 votes
3 answers
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Will the SIM card for an iPhone 12 fit into the cellular SIM slot on an iPad Mini version 6?

Apple Genius in the Stanford Apple store just told me "yes". Apple's online chat help (live agent) just told me "no". Does anyone know the actual correct answer? Thanks!
Peter vdL's user avatar
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Unclear if my iPhone is has a carrier lock or not

I have a very old iPhone 6 that I bought locked from Verizon. I'm trying to understand whether it still has a carrier lock on it, or whether I could bring my own SIM from a carrier that is not Verizon....
canary_in_the_data_mine's user avatar
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0 answers
35 views

iPhone 3G communication app

I have an iPhone 3G running iOS 4.2.1 that I recently restored to factory settings. I have been using it mostly as an iPod, because I can't find any communication apps for it. I tried putting in a ...
cashiecoder's user avatar
0 votes
2 answers
616 views

IPhone says roaming data is turned off when it isn’t

I am travelling in Europe with an iPhone 12 mini, with an eSIM from home (Australia) and a travel SIM from 3UK. The travel SIM has a 30 day life (for some resta il reason from the company that I ...
Peter Ghys's user avatar
4 votes
2 answers
5k views

30-day iMessage grace period with eSIM?

When traveling, it’s helpful to use a temporary local SIM card to increase coverage and reduce cost. Swapping your physical SIM with a new one gives you seamless access to apps that rely on data (e.g. ...
Senseful's user avatar
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0 answers
1k views

iCloud Hacked and trusted number changed - is there anything I can do?

Note: This might be more of a rant than a question, but I'd still appreciate advice. I have a dual SIM phone. All of a sudden, the eSIM (personal line) kept getting calls on loop from a number saying ...
sameetandpotatoes's user avatar
0 votes
1 answer
4k views

How to temporarily disable iPhone SIM card?

It's easy to disable wi-fi connections or cellular data, but how does one disable connections to cellular networks? Three obvious solutions: use Airplane mode. remove SIM card. explicitly set the ...
Ray Butterworth's user avatar
1 vote
1 answer
87 views

Troubleshooting international SIM connection issues on iPhone

I have an iPhone SE 2 with a German O2 SIM card with an unlimited data plan and that is supposed to be able to use other networks when traveling in the EU. The last time I was in Sweden it often ...
Julius Hamilton's user avatar
1 vote
1 answer
56 views

I have an old iPad, it had a SIM but not cellular voice, is there a way to make calls?

I have an old iPad Air 32 GB (about 8-10 years old I think), it had a SIM card but not cellular voice capability. Is there a way to make calls? Some app? I have tried: Facetime FAIL CallRight FAIL I ...
elbarna's user avatar
  • 117
1 vote
0 answers
26 views

App to help (manually) choose network provider

I have a dual-sim iPhone 13, which I use when commuting across the Swiss-EU border. With my current Swiss phone plan, I have free data roaming within the EU. When in Switzerland, I have Automatic ...
Wasserwaage's user avatar
1 vote
1 answer
114 views

Iphone 14 in Hungary - Budapest comes with physical sim or e-sim only? [duplicate]

Iphone 14 in Hungary-Budapest comes with physical sim or e-sim only ? As I want to buy one
Ahmed Adel's user avatar
1 vote
0 answers
5k views

How to automatically enable/disable a phone line (dual SIM)?

A common use case for having two lines on a single device (dual SIM) is that one of these lines is personal and the other for work. As far as I can see, it is impossible to automatically toggle a data ...
Christoph's user avatar
  • 383
2 votes
1 answer
15k views

will iPhone 14 have the physical SIM slot in europe?

I live in Italy and i want to buy an iPhone 14 Pro when it comes out, but I don`t know if for the European iPhone models there will be the physical SIM slot as they announced that in the US the iPhone ...
kvz's user avatar
  • 23
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0 answers
308 views

How to solve a replacement SIM coming up as “SIM not provisioned”

I’ve been given a replacement SIM card by O2 but when I put it into my iPhone I get the message “SIM not provisioned”. I know that it needs to be activated but the advice seems unclear. My brother has ...
J4G's user avatar
  • 141
1 vote
2 answers
57 views

Forwarding a US phone number (verizon iPhone) to an iPhone with EU SIM card

I plan on traveling in Europe and getting a local SIM card, and placing it into my unlocked iPhone 13. I presume that will give me a local phone number. Is there a way to get calls to my US phone ...
Kulluk007's user avatar
  • 121
2 votes
1 answer
4k views

Keep iMessage Phone Number with new SIM Card

I recently went to Mexico and I purchased a SIM card for my trip as it was much cheaper than paying the international rates. The SIM card worked fine, but I didn't realize no one would be able to ...
Andrew's user avatar
  • 123
4 votes
1 answer
11k views

Important Carrier Message "Unlock iPhone to view message"

Yesterday I made an update to the latest iOS version. Now I have to unlock the phone to enter the passcode for Mobile ID (2FA authentication). Before the update, I could enter the Mobile ID passcode ...
Sybil's user avatar
  • 3,987
1 vote
0 answers
3k views

Every 2 mins I get a notification says my number "will continue to be registered for iMessage and FaceTime. You can change this in Message Settings"

It says the following when I open the notificiation. This number is registered to your Apple ID, but is not associated with this phone. You can keep using the number for iMessage and FaceTime until ...
User's user avatar
  • 1,658
2 votes
0 answers
3k views

How to turn off incoming phone calls for a specific SIM card / phone number?

I moved countries and I'm keeping my old phone number just to accept texts from old contacts. This is on a secondary SIM card. However, I have very high roaming fees and occasionally I'll answer a ...
User's user avatar
  • 1,658
0 votes
1 answer
27 views

Can I test a replacement iPhone I bought at auction for carrier compatibility by inserting the SIM without screwing up my existing account?

I bought a replacement iPhone SE (older model) because battery on my old one was waning. I need to test it before return window expires to make sure it is compatible with my carrier (Verizon) but I ...
Tim's user avatar
  • 165
0 votes
1 answer
1k views

Iphone SE 2 : Dual SIM - Calling back from Secondary SIM (Incoming call received in Primary SIM)

Dual sim iphone calling primary call from secondary SIM I have a Iphone SE 2 with (Primary - Physical SIM and Secondary - eSIM). When I try calling back the Missed calls/Incoming calls, I'm able to ...
Ram's user avatar
  • 1
1 vote
1 answer
208 views

How do the iPhone unlock chips work?

It seems like there's no questions about unlocking iPhones here so forgive me if this is counted as off-topic. I recently received an iPhone 7 from a friend that is locked to Sprint's network through ...
Throsby's user avatar
  • 161
1 vote
0 answers
140 views

Recover contacts with old country code, new iPhone in a new country

I just bought a new iPhone, with iOS 15 after moving to another country. But after getting a new SIM and transferring all the data, the countries area codes got messed up. I have the old contacts in ...
Joshua Salazar's user avatar
-2 votes
1 answer
1k views

What's the difference between an "eSIM" and a "Digital SIM"?

I thought that ESIM and Digital SIM were the same thing, to be distinguished from a physical SIM. However, my iPhone SE shows that I have an ESIM and a Digital SIM, and they have different IMEI ...
brentonstrine's user avatar
2 votes
0 answers
6k views

Change preferred line for multiple (all) contacts

When using a dual sim the Iphone has a system where it automatically overwrites the default sim card to be used for calls and messages. Instead it uses a setting saved per contact that it will choose ...
Kvothe's user avatar
  • 141
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0 answers
32 views

Syncing calls and text from an old phone device to iphone live

Syncing calls and text from an old phone device to iPhone live Context: So I've got two sims: one which has a good data plan, and one which has a good texts/calls plan (i.e. on the first sim, I can'...
global05's user avatar
  • 171
1 vote
1 answer
1k views

If I switch a SIM card from an iPhone to an Android, then back to the same iPhone, will data be lost?

I want to take a SIM card out of an iPhone 7, stick it into a Samsung Galaxy A30 for a day in order to make calls from that A30, then switch the SIM card back to the iPhone. Do I need to back up the ...
gkeenley's user avatar
  • 481
2 votes
1 answer
510 views

Which phone number is shared by Apple Pay in a dual SIM iPhone?

When adding a card to Apple Pay, it says that your phone number may be shared with the bank who emitted your card. But in the case of a dual SIM phone which number is shared? If you have a personal ...
Who Am I's user avatar
2 votes
1 answer
203 views

Do iPhones sold in the US support dual physical SIMs?

I saw this picture on Using Dual SIM with two nano-SIM cards, which suggests recent iPhone models may support two physical SIMs: A friend allowed me to play with his new iPhone 12 (bought in the US), ...
flow2k's user avatar
  • 283
4 votes
2 answers
11k views

Dual SIM: How to choose phone number when replying to SMS message in Messages

I have an iPhone with an eSim and physical SIM and therefore 2 different phone numbers. There is a message thread in Messages that contains messages sent to both of these numbers. I want to know, when ...
alstr's user avatar
  • 83
1 vote
1 answer
105 views

What happens if your iPhone becomes damaged while preparing for AppleCare+ Repair?

I recently cracked my iPhone XS's back camera. Since it is under AppleCare+ until early October, I paid $99 for an Express Replacement which requires that I mail the broken phone to them. ...
mrkelp's user avatar
  • 13
0 votes
0 answers
290 views

Using my iPhone, as a Wifi iPhone without a SIM card

I have recently given up my network phone service (removed my SIM card) and adopted a wifi based app that allows me to pay for my minutes as I go. Has anyone started this path to converting your ...
Tangelina Grimes's user avatar
4 votes
1 answer
12k 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 ...
DrPsych's user avatar
  • 41
0 votes
1 answer
470 views

iPhone Activation with NO SERVICE problem

My iPhone7 started with "NO SERVICE" problem, I fix it by restore system but a week later the problems appears again. Then I do a fabric reset but now I can't activate my Iphone because it can't read ...
L F's user avatar
  • 101
1 vote
0 answers
16 views

Place call from iPhone 5 using SIM in iPhone 8

I'm apparently offered in iOS 13 on my iPhone 8, under "Calls on Other Devices", to make and receive calls on other devices. My iPhone 5 is listed and enabled as one of those devices. In iOS 10 on ...
Andreas's user avatar
  • 2,105
1 vote
2 answers
19k 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) I have to pay carrier charges. I selected the option to use Apple ID to send and receive ...
Valay_17's user avatar
  • 125
0 votes
1 answer
86 views

trying to unlock iPhone 5c

I'm trying to unlock an old iPhone 5c to access some pictures I have on there. Every time I try to unlock it, it takes me to the white screen with the "Hello" message, and then it tries to connect to ...
carl's user avatar
  • 1
0 votes
1 answer
213 views

Will a deactivated SIM card continue to improve location accuracy?

I'm wondering if a prepaid SIM card that ran out of funds still in my iPad will continue to improve the devices location accuracy (by scanning nearby cell towers and apply triangulation)?
Beat Rupp's user avatar
  • 213
1 vote
1 answer
603 views

Disadvantages of using sim card from old iPhone?

I upgraded from an iPhone 5 to XS. the 5 had a mobile-carrier company sim card (non-apple). To save phonecalls, I just plugged in the old sim card into new phone and it worked. I think the new phone ...
user avatar
1 vote
0 answers
81 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 ...
MC fill's user avatar
  • 111
1 vote
1 answer
45 views

iPhone connectivity issues abroad

I have a fully functional iPhone X which works as expected in Sweden. However, when traveling to some countries I experience connectivity issues. Eg. in the US I get no reception at all, whereas in ...
Milo Wielondek's user avatar
0 votes
0 answers
2k views

How to get carrier signal after returning from international travel

So I’m sitting here connected to WiFi in the Houston airport on a long layover, returning from my trip to Mexico. The top left of my phone says “No Service”. I’ve chatted with my Carrier (Sprint) ...
hepcat72's user avatar
  • 1,267
0 votes
1 answer
102 views

Using an expired SIM card in Airplane Mode

I have iPhone 6S. My mobile phone and data plans are with Ting, a US-based mobile virtual network operator that uses the framework of the US-based Sprint Corporation telecommunications company. I'm ...
Evan Aad's user avatar
  • 863
0 votes
1 answer
109 views

New SIM card does not support data traffic in old iPhone

I have just received a new SIM card I want to use in an iPhone 4S. The phone reports decent 3G connectivity and can make phone calls, but it does not connect to data services. Data services work when ...
bjornte's user avatar
  • 347
3 votes
1 answer
3k 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: ...
user3792705's user avatar
2 votes
0 answers
171 views

iPhone 7 won't activate and can't access Apple Support or iTunes

My new iPhone 7 recently had an error that said it lost cellular connectivity and required an update. I'm traveling and don't have access to iTunes (on work computer and I cannot install software). I ...
Evan's user avatar
  • 121

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