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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2
votes
2answers
10k views

Remove “No SIM Card in Phone” message

I recently changed to a newer phone and currently using my old android phone as a sort of "ipod". However, it always shows the message that there is no sim card. I know this is just an annoyance but ...
0
votes
1answer
234 views

Multiple phone numbers per SIM contact

Some time ago I owned an Sony Ericson mobile phone. It was able to store a contact on the SIM card and add information like adress or multible phone numbers. Why isn´t it possible to do the same ...
1
vote
1answer
3k views

Mobile network not available on unlocked Active

I purchased a "new" unlocked Samsung Galaxy S4 Active SGH-I537 phone on E-Bay. Everything works fine except when I use the phone with my local carrier SIM card. When I insert the SIM card and turn on ...
0
votes
0answers
680 views

Can't save contacts in Sony Xperia

I have a Sony Xperia with Android OS 4.0.4. Until recently it worked fine but now my SIM contacts are all gone. I can't save in sim either. While saving in contacts I used to get option whether to ...
4
votes
1answer
379 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 ...
2
votes
1answer
168 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
2answers
376 views

Backup SIM message and contact without transfer to phone

Is it possible to backup the message (e.g. SMS) and contacts inside my SIM card to my external SD Card without transferring them into my Android phone?
0
votes
0answers
1k views

Why isn't my SIM card working after factory reset?

After doing a factory reset on my Micromax Ninja A89(dual sim), I am unable to register on my service provider. Though my sim was working fine on the same device before the reset, but it is not ...
0
votes
0answers
15 views

Can swapping a SIM while phone is on, damage the phone? [duplicate]

I accidentally put in the SIM to my phone when the phone was still powered on. I did not get any signal until I rebooted. THe manual says to power off the phone before swapping sims. Could I have ...
0
votes
0answers
10 views

My phone number changed into “Unknown” when i put my new sim card in to my phone samsung galaxy grand [duplicate]

what causes my phone samsung galaxy grand duos phone number display unknown in setting >>>>about device>>>>>>status>>>>>>my phone number>>>>"Unknown"!!Can i create my phone number in somewhere else ?
0
votes
1answer
58 views

SIM card removed?

Apparently I'm getting this message after using the phone camera. But not all the time. Then it restarts. What could be the problem? Nexus 4, Android 4.4
1
vote
1answer
80 views

Can 2 SIM cards be activated on one phone? [closed]

If I get a new T-Moble SIM and activate it on my Google Nexus 4, then put the old one back in, will the old one still work?
0
votes
0answers
7k views

SIM card not detected

I own a GIONEE P2 mobile phone with MTK6572 processor and android 4.2.2. I successfully rooted the phone and it was working fine until my internet stopped one morning and upon restarting the phone, it ...
0
votes
1answer
2k views

Samsung Galaxy S2 'Not Registered on Network'

I wonder if anyone can help me please. I have a Samsung Galaxy S2 that I want to sell. I have reset it to factory settings. However, I have a problem. When I bought the phone new, it was on o2. I ...
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 ...
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 ...
1
vote
1answer
1k views

SIM contacts are shown in Messaging application, but not displayed in Contacts list

I changed the option to only see my Google contacts (GMail) (and hide my SIM contacts). This is working perfectly in the "Contacts" app, but when I try to send a text message, and I provide a keyword ...
3
votes
1answer
533 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 ...
1
vote
1answer
716 views

Are settings and accounts (like email) removed when changing the SIM card?

My android phone was stolen. The SIM-cards PIN must be entered on start and I also had a PIN set for unlocking it. My question now is if the SIM card is changed, will all the settings be reset or ...
0
votes
0answers
285 views

Verizon GSM SIM card for unlocked Samsung Galaxy S2 [duplicate]

I have an unlocked Samsung Galaxy S2. I bought it from Bangladesh. It has been working well with any Bangladeshi GSM SIM card. I just arrived in USA. Is it possible to get a Verizon GSM SIM card for ...
0
votes
1answer
93 views

If I insert a Japanese SIM into my Nexus 4, can I have unlimited access to the Japanese Google Play Store?

I read this thread (How does Google Play determine the region on a tablet without SIM card) and it seems like the region is determined by IP, but if I insert a SIM purchased in Japan into my Nexus 4, ...
1
vote
4answers
9k views

SIM card is not working on Sony Xperia Z (Android 4.1.2)

My friend has a problem using his micro-SIM card on his new Sony Xperia Z (Android 4.1.2) The problem is: when he inserts the SIM card, the phone display a message that the SIM card has been ...
0
votes
2answers
2k views

SIM 1 Card Full notification on HTC Desire SV

On my HTC Desire SV, a notification says SIM card is full Delete some messages to make more space. I've deleted all my messages and it still won't go away. I've clicked on it and it leads me to ...
1
vote
0answers
166 views

Making Android phone locked using the SIM card password

When I press the power button. the Android phone will go into sleep mode. When I press the power button again, the Android phone will wake up and ask me a password. So, how do I make the Android ...
1
vote
1answer
511 views

How to find my stolen galaxy ace duos [duplicate]

I lost my galaxy ace duos. The sim card has been changed. How can i trace phone or find the number of the new sim being used? I have several apps installed. can that help in anyway? Thanks for the ...
0
votes
0answers
1k views

How to auto unlock SIM/UICC on trusted devices?

I don't like manually entering PIN1 of SIM/UICC everytime I reboot my Android smartphone or switch SIM/UICC between multiple trusted devices. How to auto unlock SIM/UICC on my trusted devices? The ...
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 ...
1
vote
2answers
15k 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
553 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
19k 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
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 ...
0
votes
0answers
1k 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
330 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
7answers
54k 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
12k 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
892 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
306 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
2answers
3k 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
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 ...
0
votes
1answer
325 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
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. ...
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
2k 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
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 ...
2
votes
1answer
626 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
295 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 ...