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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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 ...
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8answers
159k 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 ...
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1answer
6k 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 ...
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2answers
31k 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. ...
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2answers
2k 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.
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2answers
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 ...
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0answers
22 views

Use SIM card from Samsung S3 on Samsung Note 4

I have a US cellular SIM card that I want to be able to use on account of it has been running with no cost whatsoever for two and a half years. It is currently linked to a Samsung S3. I want to be ...
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0answers
30 views

phone wants sim network unlock pin but its the same provider

I bought a clean phone from a friend and when I put my sim card in the ZTE Z813 I forgot my sim card pin and locked it out. I put my sim card back in old phone and entered the puk code and unlocked my ...
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0answers
21 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 ...
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1answer
2k 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 ...
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1answer
2k 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 ...
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1answer
2k 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 ...
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0answers
29 views

Reason of SIM card PIN2 in modern Android phones?

As I have understood, SIM card PIN2 is required in case of tasks such as resetting total call charges or unblocking certain numbers. Personally I have never used SIM card PIN2. In Android 4.4 I even ...
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votes
1answer
720 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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2answers
2k 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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0answers
95 views

Asus Zenfone 6 doesn't see SIM cards without 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 ...
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1answer
279 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 ...
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0answers
25 views

How to access the SIM bluetooth profile of my non android phone on my android tablet without rooting?

It is very common in cars to be able to use phones for sending SMS or calling with the SIM bluetooth profile. But I would like to use my tablet to overcome limitations of my phone. As I have already ...
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1answer
3k 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
1k 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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vote
0answers
53 views

Unable to get network connectivity in Huawei Ascend G510

I have bought a Huawei Ascend G510 for developing purposes, and inserted a SIM card. Although it asks me to enter a PIN and accepts it I just cant get a network connectivity no matter where I am, but ...
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7answers
118k 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 ...
2
votes
1answer
409 views

Using a custom Lock Screen does not unlock the SIM (PIN)

When using Hi Locker as my lock screen, my Android Lollipop device does not prompt me for my SIM PIN upon boot -- and leaves the SIM card locked (therefore providing no service). Details: I'm ...
0
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1answer
51 views

Old phone to track my bike in case of theft

I have an old galaxy s3, I was thinking of storing it in my bike seat or a lockbox on my bike in case it gets stolen so i can track down my bike. Is there any way of doing this without a sim ...
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0answers
2k views

Dual SIM: Disable telephony features on second SIM

I have a Samsung Galaxy S Duos 2 (GT-S7582) with two SIMs. I'd like to use one of those SIMs for everything telephony related, the other SIM for everything data related. I managed to set the first ...
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1answer
290 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 ...
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0answers
74 views

Inconsistent SIM-Card problem

Three days ago, I dropped my Samsung Galaxy S4 GT-I9505 straight on its back from about 1 meter height. After that, the SIM-card slot apparently stopped working. After trying out my mother's SIM-Card, ...
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votes
5answers
41k 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 ...
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0answers
210 views

How to change original (unchangeable?) ICCID/SIM card serial from an AVD

I need to have several running Android Virtual Devices, so have been trying to change the original ICCID/SIM card serial from an AVD and all the solutions I found oblige me to alter QEMU's code (see ...
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0answers
144 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 ...
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0answers
76 views

sim unsupported

There's a problem with my 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 thankfully ...
2
votes
0answers
41k views

Network SIM unlock code not working

I paid to get an unlock code for my Samsung Galaxy S4 Active SGH-I537 locked to AT&T. I have tried to enter the unlock code given when the phone boots with my other carrier SIM card inserted, but ...
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1answer
554 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
votes
1answer
86 views

Why do US SIM cards slow down my Galaxy Note 3, and prevent system settings from opening?

I have a problem that seems specific to US SIM cards. They cause the performance of my Galaxy Note 3 to tank, and I can't get into the system settings at all, without rebooting my phone into safe ...
2
votes
1answer
26k views

No SIM card detected after installing new ROM

I probably did some mistake which I don't know how to solve. After I installed a new ROM I get message: Slot 1: No SIM card detected Slot 2: No SIM card detected „SIM management“ is ...
0
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0answers
215 views

XOLO Q1000 SIM CARD ERROR. Not being able to flash other roms due to bootloop.

I recently rooted a Xolo q1000 phone and flashed CWM. I flashed a zip ROM but was not happy with it. I then downloaded a kitkat based rom from XDA which had to be flashed through Sp Flash tools. I did ...
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0answers
58 views

Delete a saved message on SIM card on HTC Desire

I have HTC Desire 612. I saved a message to SIM card and I've tried to delete it. But everytime I try, it shows back up in my threads. How to delete it for good?
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2answers
28k 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?
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0answers
159 views

prevent “empty slot” notification for SIM 2

I've got a dual SIM phone which I use with only 1 SIM, and I find it really annoying when it prompts me a warning notification about the empty 2nd slot each time I turn on my device. How can I prevent ...
0
votes
1answer
267 views

No sim card detected?

my SE Xperia Arc S started going crazy today, it didn't detect the sim card, so I've tried reseting the phone to factory settings, but it still wasn't detected, I've also installed a new rom, to no ...
0
votes
0answers
182 views

IMEI spoofing won't fix invalid Sim Card

I recently bought a second-hand LG Pro Lite. I restored it to its factory settings. For a few days, it worked properly. A week or so later, I had no phone service. Everything else works fine. As I ...
0
votes
1answer
635 views

Samsung Galaxy S5 Active no SIM Card

I tried rooting my device with towelroot only to find out it didn't work. I went to bed before doing this, and when I woke up my phone said no SIM card, please insert in the notification bar. I got ...
6
votes
4answers
30k 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
64 views

Why won't my no SIM Android phone pair with an Android Wear watch?

I have got a brand new Nexus 6, and brand new LG G Watch. Everything seems to work fine, but when I try and pair them, at the final stage the watch says "Just a minute" for a long time, and then ...
0
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1answer
67 views

Network App Restriction

I recently bought a japanese cellphone (Fujitsu F-06e NX). It came with some really cool apps but most of them have limited functionality due to network work restrictions (Phone must be on docomo ntt ...
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votes
1answer
1k 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?
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0answers
2k 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
82 views

Why won't my THL android allow my number to connect?

I bought a THL phone on eBay. I purchased a 4G pay-as-you-go SIM to go with it. The problem I'm having is that voice and text messages cannot be sent or received. I set up the SIM card on an iPhone ...
0
votes
2answers
3k 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 ...
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0answers
206 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 ...