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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215 views

Problems searching and joining network with Nexus One

I have a Nexus One, unlocked from Google. It is not rooted nor running custom firmware. I am trying to use it with 2 different international sim cards, which have worked in other peoples phones. I ...
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2k views

Save SMS to phone directly

Some of my text messages get saved in my SIM card automatically and this does not show up in notifications and I miss out on reading them. I only realize the messages have arrived when I get a ...
2
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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 ...
2
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0answers
137 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 couldn'...
2
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0answers
57k 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 ...
2
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11k views

How do I connect to a EAP-SIM authenticated network (namely FreeWifi_secure from Free Mobile)?

I am running CyanogenMod 10 (based on Android 4.1.2) on my Motorola Milestone 2. I just switched to the French mobile carrier Free Mobile. They offer access to their "FreeWifi_secure" wifi network in ...
2
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0answers
484 views

Android detects SIM change – gmail synchronized messages deleted?

After gmail detects SIM change – it asks to renew login to gmail account. This is a very good security action. But does it maybe also clear synchronized messages (that have been downloaded before SIM ...
2
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0answers
441 views

How can I bulk import texts (SMS) from a SIM card?

How can I bulk import texts (SMS) from a SIM card ? I'm using a Nexus S with Gingerbread. The 1by1 import feature (copying the sms to the phone) removes the original sender.
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27 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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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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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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74 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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0answers
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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0answers
250 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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488 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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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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0answers
268 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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1k views

Checking for SIM card defects

Short question: How can I obtain detailed information about my SIM card, using Android apps and/or adb (possibly root)? I'd like to diagnose mobile data connection problems possibly caused by SIM ...
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185 views

Passwords and SIM change

The Android idiosyncrasy of forgetting all passwords on SIM change is annoying in this world fettered by daylight robbery otherwise known as roaming fees. Has anyone figured out a way to make it ...
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0answers
192 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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228 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 ...
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0answers
4k 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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195 views

Samsung Galaxy Ace - Sim card detection

I have a Samsung Galaxy Ace android 2.3.7 with cyanogen mod-7-20130301-nightly-cooper version. It is not detecting the SIM card. Is it a problem due to Cyanogen mod or something else?
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131 views

Droid Mini in France with local SIM card?

I have a Droid Mini bought in America with Verizon that I'd like to be able to use in France. It's supposedly one of their "Global Ready" phones, so using it here should be as simple as getting a new ...
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270 views

Making Android phone locked using the SIM card password

When I press the power button. the Android phone will go into sleep mode. When I press the power button again, the Android phone will wake up and ask me a password. So, how do I make the Android ...
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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 ...
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426 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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915 views

Reading all SIM setting

Just out of curiosity I'd like to see all the settings on my SIM-card. And I'm not talking about an SMS stored on the card, or my phonebook. I'd like to see for example the Preferred PLMN list and ...
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0answers
8 views

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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0answers
15 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 ...
0
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29 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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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 ...
0
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0answers
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 ...
0
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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 ...
0
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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 "...
0
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0answers
166 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 ...
0
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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 ...
0
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0answers
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 ...
0
votes
0answers
204 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. ...
0
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0answers
119 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 ...
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 ...
0
votes
0answers
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 ...
0
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0answers
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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0answers
860 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 ...
0
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0answers
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 ...
0
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0answers
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 ...
0
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0answers
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. ...