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

learn more… | top users | synonyms

15
votes
6answers
95k views

How can I manage contacts on my SIM card with an Android phone?

How can I add and manage contacts on a SIM card with an Android phone (HTC Magic)? I'm aware of 1 application which is capable of doing this but it cost 4€ for SIMPLY managing SIM contacts o_O
9
votes
4answers
2k views

Are there any problems caused by setting up my phone before the SIM card arrives?

Bought a brand-new Samsung S4 mini and ordered a new SIM card which is due to arrive in a week. So far I've inserted the battery and charged it. Should I turn it on, even without a SIM-card in it, or ...
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 ...
9
votes
1answer
7k views

Can I use a Motorola Atrix without a SIM card?

My company purchased an Atrix for app development and would like to use it without a SIM card. Unfortunately, on boot it is not possible to get past the "No SIM card. Emergency calls only" screen. ...
9
votes
1answer
4k views

Is it possible to merge contacts from different sources and upload them to GMail?

I'd like to merge contacts from different sources -- i.e., imported contacts from phone, from sim card, and from my gmail account -- and upload the ultimate contact on my gmail account. For instance, ...
9
votes
3answers
550 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 ...
8
votes
2answers
3k views

Good idea to transfer all phone numbers from SIM card to google contacts?

I am new to the whole smartphone thing. Currently all of my telephone contacts are on my SIM card. I suspect it makes sense to move all my phone numbers from the SIM card to my Google contacts (i.e. ...
7
votes
3answers
131k 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 ...
7
votes
4answers
16k views

How can I see only phone contacts, not SIM contacts?

I have a Dell XCD35. My phone book was showing phone contacts as well as SIM contacts. So when I see the list it shows some contacts twice. I don't want that, so in display option of contacts I just ...
7
votes
6answers
124k views

How do I import all contacts from a SIM-card to an Android phone?

My mother have got a HTC Wildfire with Android 2.2. Now I want to import all contacts from her old SIM-card to the phone. I did it and it worked. Then I switched to the new SIM-card, and now when I ...
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 ...
7
votes
1answer
5k 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 ...
7
votes
1answer
5k 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 ...
6
votes
1answer
202 views

I just got a new Android phone and I'm wondering how google got all my old phone numbers

I finally upgraded from an incredibly old and aging blackberry to a new Galaxy S5. I like the phone, but the amount of information google is trying to squeeze out of me is feeling incredibly ...
6
votes
1answer
627 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 ...
6
votes
2answers
14k 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 ...
6
votes
2answers
431 views

Mystery duplicated SIM contacts

I recently noticed that while searching for contacts I see the same SIM contacts repeated more than 20 times. In the settings for contacts it says I have 5795 contacts on the SIM card but it's almost ...
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 ...
5
votes
1answer
447 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 ...
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? ...
5
votes
1answer
184 views

Do I need network's SIM in in order to receive OTA update

I have a UK HTC Magic which is from Vodafone - I am in France for the time being and don't have the Vodafone SIM in. The phone is on the internet via wifi a lot. Do I need to have Vodafone's sim in ...
5
votes
1answer
652 views

Android and sim-lock

I'd like to know if android phones are sim-locked. Given that they are open-source and have community images it should be 'tricky' to sim-lock one but I prefere to ask. Also - do I need to unlock if ...
5
votes
4answers
20k views

THL W3 with v4.0.4 - periodically getting “Restricted Access Changed” and losing all SIM services

What happens exactly: when I use my SIM's data connection, after 1-5 minutes of operation (be it while the phone is active or locked), I get a notification "Restricted Access Changed", losing all SIM ...
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
3answers
7k 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 ...
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
1answer
373 views

SIM Card not detected after encrypting device

I have a Samsung Galaxy Pocket Neo (Model GT-S5310B) running Android 4.1.2 The device is not rooted and the update notifier tells me I have the latest available version installed. Today I tried ...
3
votes
2answers
399 views

Storage space and memory: mobile phone architecture versus PC architecture

On a PC, there are hard disks acting as storage space where the operating system and application files are stored, and there is RAM which is memory which gets used up by the operating system ...
3
votes
1answer
529 views

How can applications be installed on SIM and how do I view and disable them?

I've got a new sim card. After it found the network, soon I've got an sms (supposedly from my operator) saying: Dear client! We are installing applications on your sim card for free. Please enable ...
3
votes
1answer
3k views

Is it possible to put a micro sim from an iPhone 4 into the Nexus S?

I have an iPhone 4 with micro sim, and am wondering if it is possible to put my micro sim into the unlocked nexus s, to function as my phone (for development purposes). If not, is there an alternative ...
3
votes
1answer
628 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 ...
3
votes
3answers
12k 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. ...
3
votes
3answers
651 views

How do you copy a contact from the SIM card to the phone in order to assign a picture to it

Searching the site here has let me to believe that you cannot assign a picture to a contact which resides on the SIM card ( I am using a Samsung Galaxy S, and that indeed seems to be the case - at ...
3
votes
7answers
53k 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 ...
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 ...
3
votes
0answers
168 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?
3
votes
0answers
188 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 ...
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 ...
3
votes
1answer
246 views

Why is my phone's brightness reset to full brightness?

I put a new SIM card in my phone, then took it out and rebooted. Afterwards I noticed the screen brightness was up to nearly 100% (I always have it all the way down). Auto-brightness was off both ...
2
votes
2answers
18k 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
167 views

Any way to change my caller id?

Is there any way to change my own caller ID so the person I'm calling sees my Google Voice number instead of the number associated with my SIM card? My Google Voice number is my primary number and I ...
2
votes
1answer
679 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
305 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 ...
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 ...
2
votes
1answer
461 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 ...
2
votes
1answer
5k 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 ...
2
votes
1answer
625 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 ...
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 ...
2
votes
0answers
42 views

A lack of sim card in my android device crashing my apps? Why?

A weird problem I observed with my Micromax A116, android version 4.2.1. From the day I bought it, 8 months back, I have used both the sim slots. But the internal earphones were damaged & I ...
2
votes
0answers
7k 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 ...