Questions tagged [sim-card]

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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977 views

How would I go about fixing SIM card not registering after flashing a custom ROM made for a clone of my device

So, I have a BLU Life One X, which is a clone of the Micromax Canvas 5 and a few others. I've installed a ROM made for the Canvas 5, after making a bunch of mistakes, including wiping my entire ...
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836 views

SIM contacts do not show up in my lenovo k6

How to show my sim contacts in my cell phone? I want to delete my sim contacts because I have received sms by my sim contacts not google account. Contacts are displayed of google account but not ...
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1answer
2k views

Sim change alert on galaxy s8?

How do i enable sms alert for sim change on my samsung galaxy s8? I recently jumped from galaxy s3 to s8. S3 had this neat feature called "SIM change alert" where you can enter a few phone numbers ...
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299 views

Problem “Not registered on network”

I have an old Samsung Galaxy Note II. Rooted. One day it went off. When I restarted it, it went to a somehow hybrid state between factory and the status it had before crashing, i.e. I had to ...
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2answers
23k views

Saving contacts to SIM / view SIM contacts

I've just bought a new Android phone (Wileyfox Swift 2X) and updated to Android 7.1.2. Up until now I have always saved my contacts to my SIM card, which saved me a great deal of trouble with past ...
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Google tells me my smart phone was in Brazil two days ago, but I've been in California - what could it be?

I'm worried because Google tells me my smart phone was used to access my Google account from Brazil a couple of days ago. But I and my phone have been in the San Francisco Bay Area the whole time. (...
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1answer
70 views

Do simcards leave marks on android phones?

Question: Is there a way that i can find out whats happening? I mean is there a way that i can find a track that she uses another SIM card time to time. Do SIM cards leave any marks on the phone, in ...
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234 views

Get SIM card connection info

If I want to know if I am connected 2G, 3G or 4G, how do I check that on Android? I don't seem to have any default SIM-related app on my phone, nor does the SIM setting screen give much information ...
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1answer
2k views

Unable to make/receive call from Lenovo TAB2 A10-30 (Lenovo TB2-X30L)

I have a Lenovo TAB2 A10-30. Model Number: Lenovo TB2-X30L Serial Number: XXXXX I can send and receive messages but unable make or receive a calls. I have downloaded and install many phone dialer ...
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1answer
564 views

Read sim data in airplane mode

If I activate airplane mode, then put a sim card in my cellphone. Can system apps and other apps read data from my sim card, like phone number or network provider?
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120 views

Importing contacts from SIM fails in Marshmallow

I tried to import contacts from SIM in Marshmallow phone. But it tells me that no contacts was found on the SIM card. But an old phone had phone numbers on that SIM. Are there more robust play market ...
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542 views

Exporting SMS on sim card to text file

It seems to me like Android comes with the "veiled" idea that management of SMS that may be present on sim card is not so important (and maybe it's true). Anyway, take me, I have to deal with them at ...
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LG G2 - No SIM and network also after hard reset

I have a problem with my LG G2 (D802). It shows, without reasons, no network signal and no SIM. I do an hard reset but nothing changed. What's the problem?
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1answer
274 views

Nexus 5X loses GSM connection permanently while roaming

Sometimes (perhaps once or twice per week), while driving car, using mobile network ("blitzer.de" app) and roaming between different network cells (only cells but same provider), my Nexus 5X (Android ...
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how can lock or block some SIM carrier on android 4.1.2

have here in my country to types of SIM cards on the carriers, the first is open to the all networks... internet, sms, calls... and a second is all close data , only to call how can i do to close in ...
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219 views

No Signal Sign on Samsung S3 GT-I9300 Possibly After Deactivating Mobile Tracker

I have a Samsung Galaxy S3 GT-I9300 since 2012. I've never rooted it. The last app I've installed was a few months ago. I'm running Android 4.3. Yesterday, for the first time ever, I've got "...
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1answer
587 views

Invalid sim card/no sim card inserted error

So I will do my best to explain what's been happening and what I have attempted to fix the issue. First off, I have a g3 us990 under US Cellular running octos marshmallow (custom ROM) along with TWRP ...
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1answer
379 views

Moto G5 Plus - will the US sim free version work with a UK sim card? [duplicate]

I'm getting a new phone and I'm pretty set on the Motorola G5 Plus. I live in the UK but I will be traveling to the US soon and I'm considering buying a new phone while I'm there ($230 vs £250 here ...
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1answer
3k views

Turn off aeroplane mode to make a call on Moto g2

I have installed Marshmallow on my Moto G2 using adb. It was a successful installation and everything was working good. Then I realized that none of my SIM was working.My SIM card shows operator name ...
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1answer
3k views

How to find out the maximum number of contacts that the SIM card phonebook can hold?

I have searched and searched to find out how many contacts my SIM card can hold, but no apps are giving me the answer. Many sites recommended checking the size of SIM card which is printed on it. In ...
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183 views

What is Android trying to tell me with this pop up about selecting a SIM card?

I have been getting this message for a short time. Two changes are possibly the culprit: I switched to cricket from tmobile on a tmobile phone. Shortly afterwards I started getting these. I have a ...
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1answer
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Accessing SIM Toolkit in Android settings spawns duplicate SIM card entries?

I don't recall ever visiting this menu before. But I tried it today and this heppened: Settings -> Wireless Settings -> Sim & Network Settings -> Click on a sim (SIM 1 or SIM 2, this one is dual ...
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2k views

Phone is trying to store incoming SMS messages on SIM card

My Nexus 5X has stopped being able to receive SMS messages. Every time I'm supposed to get a text, I instead see a notification: "SIM card storage is full -- No more space for SMS messages on SIM card....
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1answer
90 views

Is removing the SIM card necessary?

When solving issues with tech support for various cell carriers, they recommend turning off the Android device, removing the battery, and then removing the SIM card. Once the battery is out, is there ...
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1answer
1k views

How To Remove “Insert Metropcs Sim Card. Emergency Calls Only” Msg On An Lg?

This is the message I am looking to get rid of: I learned that you can get rid of this message on other Androids by going to the app that it generated from and clicking "disable notifications". ...
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2answers
115 views

retrieve contacts without Google Account?

I had an Iphone with a sim card. Then I bought a new sim card with a new number to put in my Iphone because I was out of the country. Now I've lost the Iphone with the new sim card. I bought an ...
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1answer
4k views

how to clear phone number and user from about device status - galaxy S5

Getting my Sprint Galaxy S5 ready to sell. I've tried factory reset. Even went into android recovery menu and wiped cache and factory wipe reset. Yet when I go into settings -> about device -> ...
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55 views

Phone gets extra hot and connection problems with replacement ROM

Ever since I upgraded my Galaxy S4 to Lollipop (CM12.1) I have had problems with the SIM card 'being removed'. It usually happens after a bit of use and the phone gets hot. I get a 'SIM card has been ...
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82 views

SIM card no longer recognised

I own a Sony Xperia Z5 dual SIM phone. Phone is unlocked and running Android 5.1.1 I always used it with the same SIM card (3 Network) and it always worked well. Yesterday I tried to add a new SIM ...
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257 views

Nexus 4 drops connection to sim card when battery is low(ish)

For a few weeks now, my Nexus 4 (Android 5.1.1, stock rom) has occasionally lost the connection to the sim card. It won't have any connection to a network (indicator in the status bar is an empty ...
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89 views

Jio sim unable to call

I have this key sign showing near my Signal tower. In my phone screen and I can't make call please help me
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Is the app “SIM tools kit” important

I´ve CM 12.1 without the gapps. I would like to know the importance of the "SIM tools kit" app (I don´t know if that´s the exact name in english, in Spanish for me it´s "Kit de herramientas de SIM"), ...
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Enable Mobile Data on new SIM Card

The challenge: I am not connecting to the new local mobile network for data after changing SIM cards. Details: - Handset: Samsung Galaxy S6 - Original service provider: Verizon - USA - New/current ...
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233 views

How to move contacts from SIM to phone - need simple “private” local storage app

I've read like these posts: How to move contacts from SIM to phone? However, my Alcatel Android 4.4 phone does not have contacts app as purchased, only some People app that can display and group ...
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1answer
161 views

Am I able to add a data-only sim-card to my dual-sim smartphone?

I've a OnePlus 3 which has dual sim functionality. Of course I've also a single common smartphone sim which provides me with a telephone number and internet access. Since there are pretty cheap data-...
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1answer
2k views

How to bypass “enter SIM PIN” screen on Android Marshmallow?

The phone can't be accessed before PIN code is entered, the only alternative method is to remove the SIM card entirely. I haven't found a key combination that works on this version of Android. Enter ...
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1answer
188 views

SIM card undetected after adb reboot recovery

My SIM and SD cards are not detected by the phone (One Plus X) after I did this command : adb reboot recovery and then escape it with a hard reboot (pressing volume UP and lock button) I tried to ...
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1answer
347 views

Is there any way to unlock my phone from a mobile network carrier so I can use a different sim?

I've got a BQ Aquaris M5. BQ don't have a telephone number I can ring or much of a support base, so I wasn't able to find help there. I bought the phone sim free and put a giffgaff sim in it. ...
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3answers
8k views

WhatsApp: old SIM card but new phone

I have a new phone as my old one was stolen, but I still have the SIM card with the phone number connected to my WhatsApp account. I inserted that SIM card into the new phone, but none of my contacts, ...
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How to fix “My Phone Number - Unknown” on Nexus 5?

I had a standard SIM card, but I bought Nexus 5 and changed it for micro SIM card with saving my phone number. Now in Settings when I want find information about my phone number I only see "Unknown". ...
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4answers
2k views

New Note 7 Rebooted and Erased All Data on First Time Insert of SIM card. Why?

I got a new Samsung Galaxy Note 7 and I proceeded to do some configurations and download some apps on the device before putting in my SIM card. Part of the install was setting up my company's ...
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3answers
16k views

When changing SIM card what needs to be copied or transferred from the old SIM card?

I'm changing to a new SIM card with my phone. I know Contacts are able to be stored on the SIM card, so I've copied them across (I used an import as described here). Other than Contacts, is there any ...
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2answers
1k views

Restore IMEI of Xiaomi MI4C Without Another Phone

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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3answers
16k 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
483 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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0answers
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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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1answer
2k 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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2answers
3k 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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0answers
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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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880 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 ...