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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9 views

How can I view contacts and SMS on my SIM card (without importing them)?

I need to replace my SIM card with a newer one, because the new phone I ordered has only a micro-SIM slot. The replacement SIM has just arrived. As soon as I activate it, the old one will get ...
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0answers
15 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 ...
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1answer
39 views

Possible to change SIM card PUK on Android device?

On my Samsung Galaxy SIII, one can go to Settings -> More -> Security -> SIM card lock -> Set up SIM card lock -> Change SIM PIN to change the default PIN that came with the SIM card. ...
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0answers
34 views

How to delete SIM card messages in Kit Kat

How to delete SIM card messages in Kit Kat? Usually I get the SIM card is full error, but if I try to delete the messages I get the error Unfortunately, messaging has stopped. This is a Micromax ...
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0answers
19 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? Thanks.
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2answers
53 views

Access phone without SIM PIN

Sometimes I want to access my phone without unlocking the SIM cards (yes, two of them, so two PINs). It may be that I just want to play some games, and I know that there is no coverage so I do not ...
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0answers
26 views

Disabling/Changing PIN on Android device: where are the disabled flag and new PINs stored (SIM or internal storage)?

On my Samsung Galaxy SIII, one can go to Settings -> More -> Security -> SIM card lock -> Set up SIM card lock -> Lock SIM card` which displays a check box which can be used to configure the phone to ...
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0answers
16 views

Using the tablet for cell phone calls

My tablet is a SurfTab xiron 7.0 3G. It can take two sim-cards (dual sim-capable). I can receive voice calls over the bluetooth headphones. It does not seem to be able to alert by a ringer or flashing ...
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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 ...
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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 ...
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0answers
20 views

Htc does not recognize any sim cards

I have a HTC wildfire that i am using as a replacement phone until my contract is up as my former phone is broken. It works fine however wont detect ANY sim cards i use. I have tried an o2 and two ...
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2answers
405 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 ...
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2answers
10k views

Phone won't connect to mobile network

As of yesterday my phone was okay as I know I had a missed call and checked it on voicemail, but today I noticed that it is showing no signal when there should be one. The last thing I know I did was ...
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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 ...
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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 ...
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0answers
677 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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1answer
10k 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 ...
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vote
1answer
43 views

Ordered i9300 from eBay - need help to understand what's going on

I've ordered a new, unlocked i9300 from eBay, and I had some adventures with it: I've unpacked it, inserted my SIM, powered it on, and found out that the phone always thinks that I'm roaming. ...
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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 ...
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0answers
24 views

Yolo intel inside.Doesn't recognise simcard

My phone was okay until I changed the simcard to a different network provider. When I returned the initial simcard the problem started, thus it now doesn't recognize any simcard. I have reset ...
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0answers
90 views

Samsung Galaxy S III I9300 - “Insert SIM card” after installing CM 10.2

I flashed CyanogenMod 10.2 from zip on SD card with ClockworkMod, and now my Galaxy S3 doesn't detect my SIM card. Upon loading CM the first time, it shows the following message: SIM card - you ...
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1answer
1k 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 ...
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1answer
92 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
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0answers
629 views

Moto G won't detect sim card

I recently bought a 8 GB Moto G Unlocked. When I try putting in the sim card into the phone the phone doesn't seem to detect the sim. Any solution?
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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 ...
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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 ...
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1answer
37 views

Sony told me to verify if problem with phone or provider by switching SIM to other phone, but don't have other [on hold]

I complained to Sony about poor call quality and the other person not being able to hear me. They said to take the SIM card out and try it in another phone and see if the same problem persists. I ...
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0answers
131 views

Samsung Galaxy Tab 4

I opened chrome and it shoots a notification that if I don't stayed in the page that it was opened, my battery's gonna die. The page was "top3androidapps.com". HELP. I don't know if it's a virus, i ...
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0answers
5 views

changing phones [duplicate]

i have recently got a new phone and have to intall whats app on it but I don't want to change my old number. unfortunately I don't have the old sim card for me to receive the verification code. what ...
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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 ...
0
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1answer
39 views

HTC desire bravo sim card is always ejecting

I have to hold the card in place while using the phone otherwise it pushes itself out. When troubleshooting the problem, being as gentle as possible by the way, it clicks into place but doesn't catch ...
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0answers
27 views

save roaming on dual sim card

Phone companies do not permit call forwarding feature to international numbers. But if we have a active dual sim phone, is the following scenario possible? Sim 1 gets an incoming call which gets ...
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0answers
104 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 ...
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0answers
232 views

Problem with TB Donate Version restore

I have a Cricket 4G ZTE Sonata Z740G. It is rooted and using Android 4.1.2 JB. I was playing around with the security settings and set a SIM lock. The phone then asked me for a PUK code to operate. I ...
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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
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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 ...
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3answers
61 views

Is it possible to use mobile minutes on a tablet

Is it possible to make phone calls from a tablet and use minutes instead of data? The ultimate goal is to have a tablet (e.g. nexus 7) and a Bluetooth headset and make phone calls without using up ...
0
votes
1answer
653 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
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'
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0answers
6 views

Google Play account not transferred during SIM swap on new phone [duplicate]

I got a new android phone. The SMS card fit but it did not transfer over my Google Play account information. How do I get it back? When I set up the Gmail account I started with a new one not the one ...
0
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0answers
83 views

How to move contacts from SIM to phone on LG Optimus L7 (Android 4.0.3)

I go to Contacts -> Menu -> and then I have only two options: Speed dials Call settings If I enter into "Call settings", I can't find any "Import/Export" option (can't find the lg-optimus-l7 tag) ...
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0answers
351 views

Change MCC and MNC in the APN settings

I'm currently on a vacation with a new phone who worked perfectly on the country I bought it at (SMS, calls, data...) but now, when im abroad, the data wont work although I can make calls alright. But ...
0
votes
1answer
41 views

Provision/Availability of Android Updates

My Nexus 7 receives Android updates directly from Google, regardless of the cellular service provider of the SIM card in the device. My Galaxy S3, with a SIM card in it, receives updates when my ...
0
votes
0answers
59 views

Sim card reboots phone and stops working

I am using Lg L90 and the problem is, that every time I use Chrome app I get a message after a few minutes. It says something like "sim card shut down" or something like that and there is a progress ...
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 ...
0
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0answers
168 views

Can Asus Nexus 7 WiFi support a Huawei E3276 4G usb dongle SIM holder to achieve telephone functionality?

I could connect (with an usb adapter) a Huawei usb dongle that I normally use with my laptop computer and contains a SIM card for mobile internet and phone functions like SMS and phonecalls, but it ...
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
93 views

How can I use my Samsung S4 phone functionality from my Asus Nexus 7 tablet?

I got two android devices: Samsung S4 and Asus Nexus 7 where the latter does not have a SIM card. I'd like to use the phone functionality from the tablet e.g. calling and/or SMS but I don't know how. ...
0
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0answers
76 views

Gmail asking for authentication after changing SIMs

To recreate issue: Start 2-factor authentication Generate app-specific code Use that to sign into your device Change the SIM I have two SIMs, and I sometimes switch between them. The issue is that ...
0
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0answers
583 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 ...