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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29 views

Switch sim cards?

Up to about 3 weeks ago, I had a Motorola Moto X running Android 5.1 with Verizon/CDMA . Then I switched to a Nexus 5 running Android 6 with Ting/GSM. The Ting service is terrible it turns out, so I ...
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2answers
9k views

Micromax Unite 2 A106 updated to Lollipop version and no network or sim detected

Using Micromax Unite 2 A106, updated to latest version of lollipop, after finalization and restarting my phone is not able to detect any SIM/network. Also no display of selection of Mobile network is ...
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1answer
3k 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 ...
0
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0answers
17 views

LG G4 No SIM Card

I have a non rooted LG G4 with no sim card and on my lock screen it says No SIM card - Emergency Calls Only. Is there a way to remove that? Also is there a way to remove the emergency call button on ...
2
votes
1answer
934 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 ...
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0answers
65 views

restoring contacts on a Motorola, E from sim card

The first day I was able to transfer my contacts from the old telephone Sim card, using Migrate app. After the recent software update , all my contacts disappeared. I have spent hours trying to ...
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0answers
16 views

SIM 2 not detected in Micromax A064

I am using a Micromax A064. The second SIM card is not being detected at all. The SIM in slot 2 is working fine. How can I fix this?
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1answer
40 views

SIM card Virtualization - Possible?

Is there a way to "virtualize" a SIM card? Say I go to T-Mobile, and get a new phone line. I have a new number (say (123) 456-7890), and a new SIM card (new ICCID). Is there a way to "virtualize" ...
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1answer
3k views

Unable to add contact to SIM

I want to add new contact and save it in SIM Card. I use OnePlus One with CyanogenMod 11S, which is on top of Android 4.4.4 and inside I have O2 pay-as-you-go card from UK. When I used Gingerbread ...
0
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2answers
3k views

SIM card not detecting and imei null after flashing recovery (intex aqua i5-not i5 HD)

I wanted to flash custom ROM . Before that I flashed a custom recovery img. Then I tried flashing custom ROM zip file using flashify. It said flashing completed and reboot to continue. When ...
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0answers
76 views

How does SIM lock work?

I'm considering buying a network-locked phone and unlocking it myself (cheaper than buying an unlocked phone). I'm wondering where Android phones store information about what networks to connect to. ...
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3answers
5k 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 ...
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1answer
4k views

Sim change alert - Unforunately, Settings has stopped

I'm trying to disable the SIM change alert in my phone, but both "Remote Controls" and "SIM change alert" options in my Settings app are crashing it with the message "Unfortunately, Settings has ...
0
votes
1answer
4k views

metropcs ZTE no network and doesn't connect,

I recently had to factory reset my phone. Now when I put the SIM card in from my Huawei it won't connect to the carrier data network, it only works on WiFi.
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1answer
3k views

Viber already on PC and want to install on android without SIM

I already have a viber installed on my PC and want to install on my android now. Want to use the same old mobile number with viber but I cannot receive SMS on that old number. How to activate viber ...
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1answer
2k 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 ...
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0answers
45 views

How to fix mobile hotspot?

Shortly said, my mobile hotspot doesn't work. I can connect my laptop to my phone but I can't get on the web. Mobile data on my phone works flawlessly. What I've tried: Putting my SIM card into ...
11
votes
2answers
8k 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. ...
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0answers
104 views

Having an issue with my contacts on my Blackberry Priv

I just got a Blackberry Priv, coming from a Blackberry Classic, both on AT&T. They imported my contacts from the old phone and they seemed to have moved onto my Google account. But for some reason ...
1
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1answer
4k views

Copy contacts from Google to SIM card

I have recently got my SIM card replaced, and lost all contacts as a result. I was wondering if there is a way to copy them from Google Contacts to the SIM card. It would type them one by one but it ...
12
votes
4answers
3k 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 ...
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vote
1answer
3k views

Upgrade Android OS without SIM card

I have a Moto E phone which I bought from Tesco in the UK. I assume it is unlocked as it doesn't have any Tesco mobile branding on it when I turn it on. I have already tried the manual way and it ...
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0answers
421 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 ...
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0answers
496 views

Retrieving lost SIM PIN and PUK

If the SIM and PUK are stored on the SIM card, then why can't an Android application read this information and display it to the user?
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0answers
542 views

Sim card not detected after installing CM13 (unofficial) on xperia l

i'm new to android. I recently bought a xperia l phone from my friend in which he had Cm11 installed i decided to upgrade to cm13 and it really messed up the phone.. the sim card was not detected and ...
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0answers
52 views

Note 5 reading only one SIM card

My Samsung Galaxy Note 5 was working fine until one day when I used a new SIM card for one mobile network instead of the one I lost. That SIM wasn't recognized by the phone and it was showing "...
0
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0answers
141 views

LG G3 (VS985) won't recognize SIM card

I've had my vs985 (LG G3 VZW) for a little while now. It was working fine but I decided to remove the SIM card and place it in another phone. But when I tried to put it back in, my phone won't ...
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0answers
86 views

Using Samsung Galaxy S3 without sim card

I recieved a Samsung Galaxy S3 Mini I8190 from a friend. It shows T-mobile on startup and shutdown, but after putting the IMEI-code in at the T-mobile site they say its unlocked already. I never had ...
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0answers
65 views

How to check if a model can make phone calls?

So I'm looking to buy a new android tablet, but I can not for the life of me find out for any given tablet whether or not it can make and receive phone calls like a regular android phone would. Am I ...
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3answers
4k 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 ...
0
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0answers
150 views

Lock a Sim card slot in your Android device?

Is there any way to lock the Sim card slot of your phone using a password so that nobody else can use their Sim card on my device without the pin.... I am using HTC one e8. I don't want an app to do ...
0
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0answers
73 views

SIM card won't work on LG G3

I've had my vs985 (LG G3 VZW) for a little while now. It was working fine but I decided to remove the SIM card and place it in another phone. But when I tried to put it back in, my phone won't ...
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vote
3answers
6k 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 ...
3
votes
1answer
397 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 ...
0
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0answers
161 views

Lenovo A3300-GV TAB Andorid 4.4.2 - No SIM Card - Emergency call only

Using Lenovo A3300-GV TAB Andorid 4.4.2. with Reliance GSM SIM was perfect. Recently I bought new postpaid SIM from Vodafone. Snenario - 1: New vodafone postpaid SIM working fine in others mobile. ...
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votes
1answer
749 views

Moto E 1st Gen. network issue after Lollipop update

After updating my Moto E 1st Gen. to Lollipop by OTA, my phone indicates that the mobile network is available, but any callers receive a message stating the phone has been switched off. Calling any ...
2
votes
1answer
9k views

How to make automatic SIM card selection for specific contacts?

Everytime I call someone I change SIM card to one of them and call from that SIM card. Is it possible to assign a SIM card for each contact, so that when calling a contact the phone select the SIM ...
0
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0answers
37 views

Phone process stopping all the time

I have a Samsung Galaxy S3, not rooted, updated to its last Android version (4.3, I think). This morning, it has started showing "The process com.android.phone has stopped" messages (or similar, my ...
1
vote
2answers
11k views

How to set default SIM for calls on Lenovo A7000?

How to set default SIM for calls on Lenovo A7000 running Android Lollipop 5.0 and Lenovo's Vibe UI? PS: I have bought an Android phone for the first time.
0
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0answers
116 views

cannot recognize SIM card

I am using Samsung Galaxy Premier(I9268) running CM 12.1. Several days ago, after some reboot, the phone Suddenly not recognize the SIM card. I have tried to use older updates, they all don't work. I ...
1
vote
1answer
876 views

SIM card removed

My Samsung Galaxy S4 recently started displaying an error saying SIM card removed. Unable to detect your SIM card. Your device will restart to check for your SIM card. There is nothing to do at ...
0
votes
1answer
4k views

SIM Card not detected after failed recovery flash

I recently tried to install CWM on my rooted archos 40 titanium. Unlocking the bootloader using fastboot oem unlock doesn't work, I only got ellipses for a while. So I installed Mobiluncle tools and ...
0
votes
0answers
99 views

new android with no sim card - trying to upload app - no device ip address

I'm running Ubuntu and have just installed android-studio and compiled a hello-world app. I have the phone (no sim card) attached with a USB cable. I want to run: adb connect "device ip address":...
0
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0answers
78 views

How to resolve the issue “SIM card full”?

On my Android 4.2.2 I always get the following notification message after activating my SIM card: SIM card full Delete some messages to make room for... However, when I go to the setting ...
9
votes
8answers
197k 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 ...
7
votes
3answers
33k 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 ...
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votes
1answer
5k views

I can't find the SIM card slot on my Samsung Galaxy Tab 2 10.1

I have Samsung Galaxy Tab 2 10.1, but there is no SIM card slot available to put in. Is there any adapter or another way to put the SIM card and use it?
1
vote
1answer
11k views

No SIM Card detected, Emergency Call Only After Flashing Custom ROM AND Stock ROM [Sony Xperia AcroS]

Yesterday i've decided to check some of the custom ROMs for my Sony Xperia Acro S. With locked bootloader i installed a CWM Recovery and flashed a ROM. The ROM Worked and the signal worked and i've ...
1
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3answers
389 views

Do data-only SIM cards have a phone number assigned to them? [closed]

Some providers offer a "data only" sim card. Do these types of sim cards have a phone number assigned to them? If yes, what happens if a dial out is attempted of if there's an incoming call?
5
votes
1answer
2k views

Why does SIM toolkit not work with most custom ROMs?

Most custom ROMs 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 ...