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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2answers
1k 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 ...
0
votes
2answers
6k 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 ...
0
votes
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
votes
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
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
votes
0answers
37 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 ...
2
votes
1answer
4k 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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1answer
1k views

Update android OS without SIM card

I have a Moto E phone which I brought 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. My question is whether this can upgrade to ...
0
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0answers
32 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 ...
0
votes
1answer
2k 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 ...
-1
votes
1answer
339 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 ...
1
vote
2answers
7k 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
votes
1answer
2k 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 ...
0
votes
0answers
27 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
619 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
1answer
2k 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.
0
votes
0answers
39 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 ...
0
votes
0answers
47 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 ...
10
votes
2answers
7k 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. ...
8
votes
8answers
162k 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
28k 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
2answers
4k 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
5k 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
vote
3answers
214 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 ...
0
votes
0answers
148 views

I have no signal/service and keep getting the message “NO SIM CARD - emergency calls only” on Samsung galaxy S2

I Have tried a number of different Custom ROMs the last couple of days in order to find a custom Android ROM that can see my SIM card - but all ROMs I have tried for my device, including the latest ...
-1
votes
1answer
2k views

Unknown phone number issue

My Moto X with Android kit Kat does not recognize my own number from the Sim card. Is there a way to edit it manually? Any app that does that?
2
votes
0answers
32 views

bad calls on custom rom on I9500

For quite some time of trying out various roms on my I9500, I've found out that on all of them I had a call issue, where the other person kept hearing himself twice (echo). I've tried today to flash a ...
0
votes
0answers
238 views

Your sim doesn't allow to make connection with the network, in android how to solve?

I have unlocked my moto e and have installed cyanogenmod custom rom, but I am getting an error – i.e there is no network coverage. When I tried to manually register onto a network it gave me a message ...
1
vote
0answers
40 views

Other SIM cards won't work in VZW S5. Should I root it?

I have a Verizon S5 which they claim to be unlocked. I travel internationally a lot and Verizon doesn't cover some of the places I go, so the Verizon rep I talked to said it's fine to just change out ...
0
votes
1answer
218 views

Get contacts off sim card phone with broken screen

Need some help. Finally switching to smartphone after the screen broke on my flip phone. All my contacts are on the SIM card, but I can’t see anything on the screen. How can I access that information? ...
0
votes
1answer
396 views

Restore IMEI for Samsung Galaxy SL (GT-I9003) when there is no backup

Well I was on phone and suddenly I lost IMEI and my SIM card is not detected. So I tried flashing (to some firmware and I flashed back to original I9003XWKPG) and nothing. I don't have any backups. I ...
12
votes
6answers
181k 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 ...
0
votes
0answers
59 views

Strange case: mobile data is blocked by provider but working on cyanogenmod

I just encountered a really strange case, I was wondering if anyone had an explanation: this sim card suddenly stopped working, we tried the card on 4 different phones and the 3G wasn't working on any ...
3
votes
1answer
178 views

Can not access Internet on N9100 Android 4.4.2

I bought a smartphone (N9100) which is running Android version 4.4.2 (kernel version: 3.4.67). When I plugged the SIM card in the smartphone, I set Data connection to the name of the company that ...
1
vote
0answers
171 views

Outgoing call is not working after lollipop 5.0.1 update in Samsung Galaxy A5

I have updated my mobile from kitkat to lollipop. After I updated Outgoing call is not working on 2nd Sim. On First Sim am using IDEA(sim card) and on Second Sim am using AIRCEL(sim card). So from ...
0
votes
1answer
78 views

New phone - New SIM or Old [closed]

I am getting a new phone. I have an old Galaxy and am getting a new(er) one to use with my pre-paid plan ($30/mo unlimited). I plan on keeping my old service and phone number. Should I use my old ...
6
votes
5answers
51k 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 ...
0
votes
0answers
67 views

Xperia E4 - no sim card after encrypting SD card

I have a major problem with my Xperia E4, it doesn't read SIM anymore. I believe it was caused by SD encryption. A few months ago I encrypted my phone, I didn't have SD card at the time. Everything ...
1
vote
1answer
2k views

Asus Zenfone 6 doesn't see SIM cards, keeps booting itself. How to troubleshoot the issue?

I have a problem with Asus Zenfone 6 device, which worked well on stock firmware with minimal amount of additional installs for about a year. This is a dual SIM phone and it has both SIM card slots ...
1
vote
0answers
241 views

Android 5.0.2: Import contacts from sim card

Yeah, I know - it's not the first question. But others just don't answer my question! When I go to Contacts -> Menu, I got the next options: Call History New Contact Settings Why I don't see ...
1
vote
0answers
452 views

No SIM card detected — factory reseted and now it works. What now?

I have a Samsung Galaxy S 5 rooted and flashed CyanogenMod 12.1 on it (Android 5.1.1). Everything always have worked fine. Earlier this week, I have installed a new app in my phone. Although I cannot ...
1
vote
1answer
16k views

How do you SIM-unlock the SGH-I317 (AT&T Samsung Galaxy Note 2) on Jelly Bean 4.1.2?

I have looked all over the internet, and a lot of the download links and information has gone stale, or is incorrect. I wanted to standardize it here for other people.
0
votes
0answers
162 views

“No Service” after device shutdown - software or hardware issue?

I own an LG P880 (Optimus 4X HD) device running cm-11-20150824-NIGHTLY, which was installed about a month ago and worked fine so far. Followed by low battery the device was automatically turned off. ...
0
votes
1answer
72 views

Ability to disable SIM card (at best periodically)

I don't like the thought of being tracked via my cell phone. Thus I am looking for an easy way to disable my SIM card. I would like a way to automatically turn the SIM on every n minutes to check for ...
2
votes
2answers
41k 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. ...
2
votes
1answer
388 views

SIM is unsupported on Galaxy Y running CM11

There's a problem with my Samsung Galaxy Y S5360 after upgrading from GingerBread to Android KitKat. I followed all the steps starting from downloading CWM, CyanogenMod 11, and the KitKat ROM. And ...
1
vote
0answers
2k 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
2answers
485 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" ...