A SIM card is an integrated circuit that securely stores the data used to identify a subscriber within a mobile network.

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9
votes
3answers
505 views

Prevent entering PIN code before lockscreen

I have a Samsung Galaxy Mini. I'd like to know if it is possible to prevent the user from entering the PIN code before unlocking the normal pattern, since it recently happened to me that someone got ...
1
vote
2answers
12k views

Whatsapp, Keeping the number on the new phone but without the old sim card

Whatsapp, Keeping the number on the new phone but without the old sim card. Ok the situation is I love my old number and to be honest don't want to ask everybody to change my number again and again. ...
0
votes
2answers
507 views

Why is there no network in my new Samsung Galaxy S2 when I insert my Prepaid Sim Card?

I bought a new Samsung Galaxy S2 and insert my Prepaid Singtel Sim card. When i turn it on, it doesn't have any network and states 'no service'
2
votes
2answers
14k views

SIM vs. USIM inside Android smartphones

I've browsing through some jargon and cannot figure out what exactly the difference is between USIM and SIM. While not strictly an android question I figure all android phones are bound to have either ...
2
votes
1answer
4k views

Galaxy S3 Mini - my provider only offers micro and nano SIM cards

I've ordered a [Samsung Galaxy S3 Mini] (hasn't arrived yet) : http://www.gsmarena.com/samsung_i8190_galaxy_s_iii_mini-5033.php On the above link, it says that it uses "Mini-SIM". I've tried ...
0
votes
0answers
958 views

Galaxy S GT I9003 stuck in flight mode and no sim card detection

My phone galaxy GT-I9003 is stuck in flight mode and not able to detect Sim card. I tried factory reset and went to service center. Service center guys upgraded software but still stuck in flight ...
0
votes
0answers
288 views

Does the Nexus 4 battery drain faster if it has no SIM card inserted?

Does the Nexus 4 battery drain faster if it has no SIM card inserted?
3
votes
6answers
35k views

How do I find out my SIM number?

I have a Samsung Galaxy GT-I9000 and need to find out my 20 digit SIM number somehow. I have been told that I should go to Settings > General > About to find it. However, it isn't! Does ...
1
vote
3answers
9k views

How can I stop my phone sending an SMS every time I insert a SIM card?

I have one Samsung tablet and one Samsung mobile phone. When I insert my Airtel SIM in tablet then it automatically sends one SMS to an unknown number, and when I insert the same SIM card into my ...
0
votes
1answer
2k views

Does nexus 4 work with indian network [duplicate]

I had bought a nexus 4 from US & right now.. i am trying to use it in india, with Vodafone SIM. I am facing problem, as the phone doesnt detect any SIM. Please guide whether Nexus 4 can be used ...
1
vote
1answer
770 views

Sim card failed

Ever since that I got the cyanogen 7 it says that no SIM -- but it is in there. I was wondering how to solve the problem It has been ... quite and adventure. What I've tried: First I tried Heimdall ...
3
votes
0answers
1k views

Save SMS to phone directly

Some of my text messages get saved in my SIM card automatically and this does not show up in notifications and I miss out on reading them. I only realize the messages have arrived when I get a ...
2
votes
1answer
273 views

Clearing a SIM Card

After doing a factory reset on my phone, I reinserted the SIM card into the phone and I got a message suggesting that I import settings, messages, and contacts from my SIM card to my phone. I know ...
5
votes
1answer
2k views

How secure is a sim lock?

I have sim lock enabled on my sim, so basically, if I put my sim in another phone or if I restart my phone, I need to enter the sim lock pin. How easy is it to crack the sim lock if a theif got hold ...
1
vote
1answer
2k views

How to disable USSD notifications?

On Android 4.2.1, some new stuff has appeared in the notification area. It shows my current balance and has an icon of the "SIM-card menu" app. Also, sometimes, some spammy messages appears (from my ...
2
votes
0answers
6k views

How do I connect to a EAP-SIM authenticated network (namely FreeWifi_secure from Free Mobile)?

I am running CyanogenMod 10 (based on Android 4.1.2) on my Motorola Milestone 2. I just switched to the French mobile carrier Free Mobile. They offer access to their "FreeWifi_secure" wifi network in ...
0
votes
1answer
284 views

Empty SIM contacts list, but they still show up in contact details

I use solely Google contacts as my contacts repository and display only the Google "My Contacts" group in my contacts list. When looking at contacts details, most of them have in the "connection" ...
3
votes
3answers
10k views

Galaxy Note 2 shows no sim card after radio flash

I have the SGH-T889 (T-Mobile USA version of the Note 2). When I got my Galaxy Note 2, I loved the device, but disliked the software. So, I decided to flash CyanogenMod 10 build from the N7100 forums. ...
7
votes
1answer
7k views

What SIM card size does the Nexus 7 use?

The iPad uses silly little SIM cards that pretty much need to be purchased ad-hoc. This means that in a pinch situation you can't e.g. swap SIM cards between your tablet and your phone (e.g., if ...
1
vote
0answers
1k views

Samsung Galaxy S3 “Not registered on network”

It had stock 4.0.4 -> could call. I've flashed FoxHound ROM -> after a while, when I try calling, it says "Not registered on network" . Tried GalaxSim, but everything looks ok. Restored back to ...
0
votes
0answers
1k views

Import SIM card contacts not working? (HTC One X)

I have a new HTC One X. After storing all my contacts from my previous dumb-phone onto the SIM card, I tried to import them on the new smart-phone. (People->Menu->Import/eexport->Import from SIM) It ...
7
votes
1answer
4k views

I changed my sim card - how do I find which app is sending sms messages to my old number?

I recently traveled to another country and I'm using a local prepaid sim card on my Galaxy S2. My prepaid credit was depleted rather quickly, and when I checked the phone record I found out my phone ...
2
votes
1answer
565 views

import contacts from sim to phone only

I have to set up an android phone (Orange Boston, Android 2.1-update1) for a colleague. I added two accounts, one gmail and one exchange, both only used for mail & calendar. Now my colleague has ...
1
vote
0answers
270 views

Can I install a custom rom with SIM Lock enabled?

I purchased a phone for development purposes knowing that it was being sold for parts/repair. The phone can't read SIM cards for some reason and the battery always says 999%. No idea why, but ...
6
votes
3answers
106k views

How to move contacts from SIM to phone?

I have all my contacts saved on my SIM-card but I want to move them to the phone which is Galaxy note so that when I change the SIM-card my contacts are still saved and I don't need to save them all ...
9
votes
3answers
4k views

deactivate PIN-request after airplane mode

When switching on the phone, one is by default asked to enter the SIM-PIN -- which is a good security measure, to prevent "strangers" from causing you costs. Now the same applies when returning from ...
5
votes
1answer
378 views

How can you stop your phone from saving contacts to your sim?

I Have a T-Mobile Sidekick 4G. It runs on Gingerbread. I just got my phone and when I first tried to enter a contact I accidentally pressed "Save to Sim" and "Remember This Choice". I really want to ...
2
votes
3answers
3k views

Can I run Samsung apps (app market from Samsung) without a SIM and mobile connection?

I have a Samsung Galaxy S with Android 2.2. I have read that now there is a "Kies" app available from Samsung which would allow to upgrade the OS on the phone without connecting it with the USB cable ...
6
votes
1answer
611 views

Use Android Phone like an iPod Touch (without SIM)

I'm using a Motorola Atrix 2 for testing at work, don't want to use my SIM with it. When I startup the phone I get an emergency calls only page and I can't get past it. I have had a look at this ...
1
vote
1answer
7k views

My SIM is not recognized after installing Cyanogenmod; what should I do? [closed]

I've got a Samsung Galaxy S (I9000) which I purchased from the Spanish operator Movistar around two years ago. I have spent most of the day trying to flash it with cyanogenmod 7. TL;DR: Installing ...
2
votes
1answer
189 views

Sim contacts on call screen?

Is it possible to see contacts from SIM on the incoming call screen and in SMS messages? I did only find apps for managing them. I am using Cyanogen 7.2 (that’s Android 2.3.7) if that matters. NOTE: ...
4
votes
1answer
6k views

Change Sim Card Number Galaxy S3

I have a new Galaxy S3 which I ported my old number to from across networks. I now have my old number, but Settings -> Status still shows the old number! Is there any way to change this on ICS or ...
4
votes
2answers
11k views

Is it safe to swap SIM cards when the phone is turned on?

On my Galaxy Nexus, I can remove the SIM card without removing the battery. I'm travelling abroad and will find a need to swap SIM cards several times in my phone. I would like to know if it is safe ...
2
votes
0answers
188 views

Android detects SIM change – gmail synchronized messages deleted?

After gmail detects SIM change – it asks to renew login to gmail account. This is a very good security action. But does it maybe also clear synchronized messages (that have been downloaded before SIM ...
2
votes
1answer
621 views

Accessing the internal phone memory by swapping out the SIM card

Is it possible to access an Android phone's internal memory by switching out the SIM card? My Android phone, with no SD card, has been stolen but access to the phone is locked via the "graphical ...
2
votes
1answer
1k views

How to import old SIM contacts to Galaxy Nexus?

I would like to import the contacts from my old phone to GN. I read this guide here, but there is no "Menu" in the People app. I'm running 4.0.2. Please, does anyone know how to proceed? Why there is ...
5
votes
1answer
3k views

How can I save contacts on the SIM card alone by default?

Using ICS, is it possible to store and use all my contacts on SIM only? If it is possible I don't really want to copy all my contacts to the phone and I would prefer all the new contacts to be stored ...
5
votes
2answers
4k views

HTC Desire S - Number Unknown Is Shown?

My question is similar to this one, however what would be appropriate solution for HTC Desire S device because it does not allow you to change your phone number on SIM card like Samsung Galaxy does? ...
3
votes
1answer
575 views

How can I move incoming messages immediately to the SIM card?

I need to move the incoming messages in my Android phone directly to the sim card. I know I can click the message and move manually to SIM, but I need to do it automatically. I couldnt find that ...
2
votes
1answer
436 views

How to port a SIM card to an Android phone

The procedure for porting a SIM card from a pay-as-you-go phone to an iPhone 4 is well documented (example 1, example 2, config tool for iOS 5). This is a nice option for people mostly on WiFi who use ...
3
votes
0answers
157 views

A data forensic tools for android [closed]

I have recently taken interest in digital forensics. What is the best tool, or set of tools to obtain and analyze images of android phones?
5
votes
3answers
6k views

Android - “SIM card doesn't allow a connection to this network” ERROR

I have a problem with my Xperia X10 (U20i). I purchased it new. It worked fine for a week or so, then I switched to another network operator. When I try to connect automatically it says "Registered on ...
3
votes
0answers
179 views

Problems searching and joining network with Nexus One

I have a Nexus One, unlocked from Google. It is not rooted nor running custom firmware. I am trying to use it with 2 different international sim cards, which have worked in other peoples phones. I ...
2
votes
2answers
332 views

Will a UK Android telephone work in Japan?

I am on the UK carrier Vodafone, and wish to upgrade my phone soon. I am going to Japan for five months next year, and would ideally like a phone which I can use out there, with a Japanese sim card. ...
1
vote
1answer
13k views

How can I backup contacts on a SIM card to my computer?

My brother wants me to backup the data in his SIM card. How can I copy this to my computer without messing up my own contacts?
3
votes
0answers
1k views

Why SIM toolkit does not work with most custom ROM-s?

Most custom ROM-s have problems with Stk.apk (the SIM toolkit part of Android) not functioning properly. The question is not the missing application (running Oxygen, I have the app but it is not ...
2
votes
0answers
314 views

How can I bulk import texts (SMS) from a SIM card?

How can I bulk import texts (SMS) from a SIM card ? I'm using a Nexus S with Gingerbread. The 1by1 import feature (copying the sms to the phone) removes the original sender.
1
vote
0answers
509 views

Reading all SIM setting

Just out of curiosity I'd like to see all the settings on my SIM-card. And I'm not talking about an SMS stored on the card, or my phonebook. I'd like to see for example the Preferred PLMN list and ...
6
votes
1answer
4k views

SIM settings icon always on notification bar

I bought an imported HTC Desire about 6 months ago and put my New Zealand Vodafone SIM in it. When I start up the phone, there's nothing in the noticication bar as you'd expect. Then, after a call is ...
1
vote
2answers
2k views

Could a faulty SIM card cause my android to spontaneously reboot

My android (Sony Xperia 10a) spontaneously reboots on a 1m to 15m cycle. I had a Nokia before and I think it rebooted more often than expected as well. My Google contacts, a SIM and AT&T are ...