80 votes
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I suspect my cellular carrier may be breaking the EU free roaming directive. What can I do about it?

No, your carrier is not breaking the policy : https://europa.eu/youreurope/citizens/consumers/internet-telecoms/mobile-roaming-costs/index_en.htm Here are the relevant parts : The limit is calculated ...
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78 votes
Accepted

How can AT&T charge me to use WiFi while I'm abroad?

AT&T can't charge you to use WiFi. From the page you linked to, that's talking about a service where you connect to WiFi somewhere (like an airport) that you might normally have to pay for, and ...
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  • 36.1k
76 votes
Accepted

How to call a number from another country while I'm in another country myself?

Or can I just dial +92... as usual? Yes. Although it is the + prefix that's the "magic" here. It is short hand for the outbound international dialling code for whatever country you are dialling from. ...
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  • 1,286
59 votes
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Does the European number for emergencies (112) really work in Germany?

Difficult to say. The 112 emergency dispatcher should be able to connect you with the police, even if you also can call the police directly on the number 110. Perhaps the operator did not consider a ...
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59 votes
Accepted

How do I call a 6-digit Australian phone number with a US-based mobile phone?

Where are you getting the "1100" code from? That might be your problem. USA, Canada, and other countries in country code "1" use "011" as the international dialing ...
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52 votes

Why does my phone's GPS not work in China?

This may be due to the long Time To First Fix. Indeed, I recently learned that recent smartphones use mechanisms called "Assisted GPS" in order to get a location based on GPS reception. The idea is ...
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  • 19.9k
47 votes
Accepted

Did the UK lift the requirement for registering SIM cards?

No (because there was no such requirement in the first place). You have never been required to register SIM cards in the UK. There is a trend towards this measure in other European countries, but ...
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  • 12.6k
46 votes
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Risk of not turning Airplane Mode on, on a mobile device while in the air?

From my experience, you shouldn't worry too much and most likely your partner was not the only one on board who didn't put their phone into Airplane Mode. The question "what could have happened?" Not ...
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  • 1,085
41 votes
Accepted

TSA asking to see cell phone

When you are randomly selected for additional screening (which is a core part of TSA PreCheck as well as TAS procedures in general), the additional screening applies to you and all of your possessions....
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  • 106k
40 votes

Risk of not turning Airplane Mode on, on a mobile device while in the air?

Tests have shown that the average commercial flight has around 40 cell phones still active. Obviously, there is no impact (aside from your battery being badly drained). Most experts agree that there ...
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  • 27.5k
39 votes

Does the European number for emergencies (112) really work in Germany?

Yes, 112 works quite well in Germany, but there are differences to other countries. There are two main emergency numbers in Germany. The Police (Polizei) To call the police, dial 110. It's usually ...
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  • 4,705
35 votes

Why does my phone's GPS not work in China?

Vince covers the likely explanation, but unfortunately there are several more sinister possibilities as well. Long story short, China's legislation on GPS is both really vague and in part secret: by ...
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  • 99.3k
32 votes
Accepted

Can I use a personal satellite phone/Internet connection as a passenger in a plane?

Technical Aspects The key part of the quote about pilots leaving the sat phone on the dash is the 'dash' part. The dash is under a glass surface, which is almost completely transparent to RF signals ...
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  • 12.7k
31 votes

Why does my phone enable camera shutter sounds whenever I insert an Indian SIM?

This happens with Korean SIM cards too, so I suspect this is a similar case: in Korea there have been too many upskirt photos scandals, and the government imposed a shutter sound when photos are taken,...
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  • 1,266
31 votes
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What is the standard UK SIM card size?

Most likely it will be a SIM that can be a range of sizes (depending on how it is popped out). I would be surprised if you couldn't find one that fit at least a micro SIM slot. For example EE (https:...
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29 votes
Accepted

How to 'save' my U.S. mobile phone number over a year of inactivity (out of US)

Create a Google Voice account and get a number from them. Then use the option within Google Voice to port existing number to your Google Voice account. I believe there is a small (maybe $10-$20) ...
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  • 6,317
28 votes
Accepted

Why are satellite phones strictly banned in India?

The use of satellite phones violates the Indian Telegraph Act, 1885, the The Indian Wireless Telegraph Act, 1933, the Indian Penal Code, and the Foreigners Order of 1948. The Government of India ...
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  • 1,730
28 votes
Accepted

Texting someone who is out of the country?

If you send a text or make a call to a US number, you'll pay whatever you normally pay to send a text or make a call to a US number. It does not matter whether the phone associated with that number is ...
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  • 84.6k
27 votes

How to call a number from another country while I'm in another country myself?

You can just dial as usual, just like you would to call him at home, and the call will go through. But you'll be charged for an international call, however your cell phone plan handles international ...
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  • 84.6k
26 votes
Accepted

Is there a Waze-like app to keep track of each other among travel companions?

Yes, there's an app exactly for what you're looking for, and it's called Glympse. You can choose to share your location, set a timer on how long that location will be shared, and send the details (...
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  • 37.9k
25 votes
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Is there a possibility to preserve an unused Indian mobile number for a period of time?

You can use the number indefinitely for a few $/€/£ every year. Just create an online account on the network provider's website and top-up ccassionally. I have Jio and I top up online with ₹1699 ...
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  • 2,239
25 votes

How do I call a 6-digit Australian phone number with a US-based mobile phone?

To dial a number in another country, you first dial the international access code for your country, then the code for the country you're calling, then the actual phone number, usually omitting the ...
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  • 2,201
25 votes

How do I call a 6-digit Australian phone number with a US-based mobile phone?

13xxxx is a "magic" number. For instance, calling 131 888 will ring the nearest Domino's Pizza (to your location in Australia). Your number will presumably reach the nearest Kia dealer. From ...
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23 votes
Accepted

Using a European (GSM) cell phone in the US

Many years ago, it was highly unlikely that a European cell / mobile phone would work in the US. More recently, but still quite long ago, your phone might work if it supported the US bands. In ...
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  • 4,093
22 votes
Accepted

Temporary SIM card while visiting US

Cell provider employee here... I'm not gonna recommend our services, so I guess that makes this not a disclaimer? Also, edited as a result of noticing your link to your phone radios... Your best bet ...
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22 votes

Does the European number for emergencies (112) really work in Germany?

Speaking as a (retired) mobile network planner, "dialling" 112 on a mobile with or without a SIM should not actually "dial". It invokes the emergency communications service (which is independent of ...
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  • 321
21 votes

Long-life SIM cards in Europe

In Germany, you can use Aldi talk. If you buy a credit for 30 EUR the SIM-card will be active for 24 months. Another plus point is that you can use the SIM-card in the whole EU and it will not be ...
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  • 14.5k
20 votes

Is there such a thing as a European SIM card?

Sort of. Every one sort of has roaming though, or per meg data charges. It's still got to be based somewhere. The closest I've heard of is Go Sim which has a 'Europe Sim' for this use case. ...
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  • 157k
20 votes
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Why does my phone enable camera shutter sounds whenever I insert an Indian SIM?

I can't find any evidence of any law in India that mandates a camera shutter sound. Indeed in this bug fix for the Oneplus 5, the shutter sound in silent mode in India was fixed: https://forums....
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  • 28.2k
19 votes

Is there such a thing as a European SIM card?

A lot has changed on the European cell phone market since this question was asked 2.5 years ago and the other answers are pretty much all outdated. Since June 15th 2017, EU roaming regulations ...
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