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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After getting my oneplus one fixed it can't recognize the sim card anymore

So, I managed to hard brick my oneplus one a while ago and just got it fixed by my friends brother who flashed twrp and cyanogenmod 13 on it. During the 1st setup I noticed that it didn't recognize my ...
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18 views

IMEI missing and not missing at the same time

In short: I have a Xiaomi Mi4c that shows has an "unknown" IMEI when checked via the settings in the stable and developer versions of MIUI and Cyanogenmod 13.1. However, when viewed through EFS ...
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1answer
39 views

Suddenly my phone does not detect my SIM while it detects service providers' names

I am using rooted but stock Nexus 5 D820 with service provider Airtel in India. When I occasionally glanced my phone it said that the SIM is not detected. I soon discovered by various means that my ...
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1answer
70 views

Can I pay with my phone if I switch to Cyanogenmod?

I own an Oneplus 3 and a NFC sim card. In order to use the banking payment app of my bank (Rabobank Wallet: https://www.rabowallet.nl/ / Netherlands) I need a phone with android supporting open mobile ...
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30 views

SIM card not detected after flashing custom ROM

I have a Samsung galaxy note II GT-N7105 eich i recently rooted, and flashed a custom ROM. After i rebooted it, my SIM card would not appear and my phone showed "No service". I tried installing ...
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30 views

Update sim card data

Yesterday I got my new sim card for the one plus 3 as my old Sim couldn't be cut to fit the nanosim size. I got a new number on a Sim which would be overwritten by activating it, however that doesn'...
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38 views

How to synchronize calls/sms read-status between devices with same number (twin SIM)?

I have two devices (A and B) with SIM cards that use the very same mobile number (twins SIMs). This works fabulously, except for one nuisance, that when someone calls me and I take the call on device ...
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44 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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34 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 ...
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79 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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1answer
55 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
59 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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133 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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0answers
62 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 ...
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0answers
1k 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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69 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 "...
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0answers
170 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
106 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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76 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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92 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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0answers
205 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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120 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 ...
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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 ...
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119 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 ...
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109 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":...
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82 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 ...
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3answers
437 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?
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865 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 ...
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37 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 ...
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52 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 ...
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1answer
1k 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 ...
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81 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 ...
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251 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 ...
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1answer
109 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 ...
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1answer
492 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? ...
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128 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 ...
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490 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 ...
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0answers
1k 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 ...
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1answer
846 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 ...
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222 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. ...
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1answer
175 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 ...
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0answers
138 views

Can a call on a phone that was locked by Android Device Manager still be answered?

I have lost my Sony Xperia. Upon learning, I called my phone with another phone and I can hear that it's still ringing so I'm thinking that I just dropped it somewhere and not really stolen. I tried ...
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0answers
685 views

Can't connect to mobile network on Sony Xperia Z Ultra

Device: Sony Xperia Z Ultra Carrier: The Peoples Operator (Same issue when tested with EE as well) Android Version: 5.0 Lolipop I recently lost the SIM card tray for my device, and Sony sent me out ...
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0answers
529 views

Enter PIN code…without sim card inserted

I have one problem with MeanIT MG430 phone - there is no sim card inserted but when I turn it on, there is "Enter PIN code" screen. PIN code is "connected" with SIM card, so why I see this screen ...
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1answer
227 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 ...
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171 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
160 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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0answers
38 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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99 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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1answer
5k 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 ...