Skip to main content

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.

149 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
5 votes
0 answers
3k views

SIM Card not detected after encrypting device

I have a Samsung Galaxy Pocket Neo (Model GT-S5310B) running Android 4.1.2 The device is not rooted and the update notifier tells me I have the latest available version installed. Today I tried ...
iz_been's user avatar
  • 151
4 votes
0 answers
220 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 ...
user avatar
3 votes
0 answers
41 views

Pixel 3a XL Requires SIM Card Removed/Reinserted to Power On

My wife has a Pixel 3a XL, and in the last 2 weeks it has shut down unexpectedly 3 times, refusing to power back on. The battery is charged, and connecting it to any charger makes no difference. ...
Mike Tompson's user avatar
3 votes
0 answers
923 views

Is there any way to hide mobile carrier from applications?

I have 2 applications that refuse to work (fully or at all) if I insert a SIM card in a smartphone. Disabling mobile data and geolocation (which is not allowed by default anyway) doesn't change ...
Andrew15_5's user avatar
3 votes
0 answers
217 views

Pop-up dialog from the SIM card appears on lockscreen

My SIM carrier occasionally sends ads in the form of pop-up dialog, like the ones you get after entering a USSD code. However, they appear on the lock screen too and will keep the screen awake ...
AlpinDale's user avatar
3 votes
0 answers
794 views

How to call and SMS from Android smartphone with SIM via internet remotely?

I want to use my phone number when traveling abroad and there is no possibility to setup roaming, etc. So the idea is: I have Android smartphone. I have my SIM inserted in the phone. The phone works ...
Vlad's user avatar
  • 141
3 votes
0 answers
78k 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 ...
Rick's user avatar
  • 233
3 votes
0 answers
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 ...
Sangeet Menon's user avatar
3 votes
0 answers
15k 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 ...
Agmenor's user avatar
  • 293
3 votes
0 answers
1k 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 ...
blauwblaatje's user avatar
2 votes
0 answers
570 views

Access Samsung S9 without providing Sim card pin code, no code otherwise to unlock it

My girlfriends mother recently passed away. She wants to gain access to her mother's phone but unluckily it was out of power when she got it. The phone does not normally need any kind of code to ...
Don_twice's user avatar
2 votes
0 answers
5k views

Show SIM Card contacts only

Does anyone know if Android 8 has an option on the Contacts app to show SIM Card contacts only? I'm gonna buy a new phone soon, and I almost forgot about this part. So I wanted to be sure before I ...
Edw590's user avatar
  • 141
2 votes
0 answers
82 views

"Device is reachable" SMS without SIM

I'm using a Huawei Honor P9 Lite with a German carrier and SIM card. My carrier offers the option to send SMS to me, whenever I miss a call. The other way round, whenever someone does not reach me (...
Dschoni's user avatar
  • 121
2 votes
0 answers
2k views

Is it possible to make Android remember the SIM PIN and automatically unlock the SIM upon reboot?

This way the phone could be unlocked and used with the visual pattern. (Or some other mechanism, e.g. fingerprint, face scan, etc.) The SIM card PIN wouldn't have to be repeatedly input after every ...
Wizek's user avatar
  • 220
2 votes
0 answers
6k views

Why SIM Toolkit icon is duplicated (now tripled) in launcher?

UPDATE: It stopped happening after the latest OS (and launcher) update - to Android 8 Why does my SIM Toolkit icon is duplicated tripled? The second one appeared not so long ago, and it never ...
arieljannai's user avatar
2 votes
0 answers
83 views

Moto G4(XT1625)Funny behavior with sim card inserted

I have a Motorola Moto G4(XT1625, Amazon Prime Edition) on US Cellular. Data doesn't work(sim status screen shows connecting or disconnected but never connects), the signal fluctuates somewhat, and ...
Robert789's user avatar
2 votes
0 answers
182 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 ...
android developer's user avatar
2 votes
0 answers
496 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 ...
mohammed azarudeen's user avatar
2 votes
1 answer
1k views

Cannot import contacts from SIM card on Prestigio MultiPhone

I'm using Prestigio MultiPhone 3504 Muze running on Android 5.0.2 Lollipop. I can't seem to import contacts from the SIM card. When I go to Contacts -> Menu, I got the next options: Call History ...
VB_'s user avatar
  • 121
2 votes
1 answer
2k views

SIM is unsupported on Galaxy Y running CM11

There's a problem with my Samsung 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 ...
Dominic Cabunyag's user avatar
2 votes
0 answers
228 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'...
KharoBangdo's user avatar
2 votes
0 answers
827 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 ...
Mooncer's user avatar
  • 183
2 votes
0 answers
613 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.
PierreS's user avatar
  • 121
2 votes
1 answer
811 views

Sim contacts on call screen?

Is it possible to see contacts from SIM on the incoming call screen and in SMS messages? I did only find apps for managing them. I am using Cyanogen 7.2 (that’s Android 2.3.7) if that matters. NOTE: ...
kinokijuf's user avatar
  • 499
1 vote
0 answers
25 views

Android: Can't rename SIM card - SIM name already in use

I'm trying to rename a eSim card on my Samsung phone (Android 14) But I get the following error ("SIM name already in use"): It's because previously I had use this name for my physical SIM ...
user924's user avatar
  • 111
1 vote
0 answers
184 views

How to start Android and bypass the SIM PIN?

How to start Android and bypass the SIM PIN? I'm asking myself why it is not possible to start/boot Android without entering the PIN for the SIM card. The smartphone is a computer, with it's own ...
PaulEdison's user avatar
1 vote
0 answers
110 views

An app requires mobile data from a certain SIM. How to bypass this?

I have a foreign SIM card and app which needs to be activated. An app, to be activated, requires mobile data, and of the SIM card An issue is that I'm far away from a country and can't use the SIM ...
nicholas.fowler's user avatar
1 vote
0 answers
278 views

SIM not detected anymore disabling a SIM

I have Oneplus 8T with Android 13. My SIM was on Slot 2 yesterday. Then I accidentally clicked on "Disable SIM". Now it says "No eSIM" "Disable eSIM to u.." (it only ...
CodePanda's user avatar
  • 161
1 vote
0 answers
145 views

Why do dual-SIM smart phones always have to have 1 SIM card turned on?

I read that smart phones can operate for Wifi messaging apps, for example, without needing a SIM card, except during installation But when I go to Settings /Connections /Sim Card Manager on my dual ...
user610620's user avatar
1 vote
0 answers
1k views

Find phone number attached to data-only sim card

I have 2 data-only sim cards that I use with 4G routers (Huawei E5576-320), and I need to be able to differentiate them. The "phone numbers" attached to the cards should allow me to ...
Julien Vidal's user avatar
1 vote
1 answer
67 views

Why was my launcher setup reset after inserting a SIM card?

I have a new phone, and I started to "customize" it while still using my old one. When I felt the phone is ready for switch-over, I inserted the SIM card from the old phone. That worked, but ...
U. Windl's user avatar
  • 195
1 vote
0 answers
501 views

How can I tell if an Android device is locked to a specific carrier?

I want to know if an Android tablet is specific to a cellular carrier (T-Mobile, Verizon, etc.). The particular one I have in my hand now is a Samsung Galaxy Tab A, but I have multiple types of ...
TonyPace's user avatar
1 vote
0 answers
1k views

Unable to delete eSIM profile on Google Pixel 3a

I have recently changed phone carriers. I cannot download an eSIM for my new carrier while it is supposed to be compatible with the Pixel 3a. They claim this is because I still have the eSIM profile ...
Sennin's user avatar
  • 11
1 vote
0 answers
4k views

Note 10 Plus Stuck with Partial Flight Mode (Faded Blue). What does this mean? Is this an indication of hardware failure?

I haven't yet come across a situation where factory reset didn't resolve the issue. This one is very intriguing to me as I could not conclude why the phone could stay in the partial flight mode (faded ...
Krish's user avatar
  • 11
1 vote
0 answers
438 views

How to make a call from a phone without SIM using a hotspot with SIM?

I would like to use a single SIM by installing a mobile hotspot at home. This mobile hotspot could be a dedicated hotspot device or an older smartphone with hotspot enabled. This hotspot will serve ...
neydroydrec's user avatar
1 vote
0 answers
40 views

No tetwork (sim card doesn't allow connection to this )

Help please. I repaired my phone's imei with xposed and now i have no network connection. When i choose a network it says: sim card doesn't allow connection to this. I put the sim in other phones and ...
Shan's user avatar
  • 11
1 vote
0 answers
3k views

Unknown phone number

An app that I need is not recognizing a SIM/Phone number. ...But the problem is not the app: Before we go: I've visited other forums, but the answers are uneffective, completely unfit, or oriented to ...
user avatar
1 vote
0 answers
978 views

"No SIM Card" after flashing custom ROM (Oneplus 7 Pro)

I have an unlocked Oneplus 7 Pro that I just installed Havoc OS on, which stopped the SIM card from being recognized. This SIM card works on both other phones (stock Pixel 2) and this phone with a ...
Jeffmagma's user avatar
  • 133
1 vote
0 answers
1k views

Resetting SIM card connection without rebooting phone

Sometimes my phone (running LineageOS 14.1 / Nougat 7.1) will lose proper SIM card access, showing a "No SIM card" or "Invalid card" message and not allowing any cellular network ...
ternary's user avatar
  • 111
1 vote
0 answers
2k views

How to fix "No SIM" issue after flashing stock ROM?

After using custom ROMs on my Motorola E4 Plus (Nicklaus) I figured out that there's no such custom stable ROM to install, so I recently flashed my device with stock ROM (Motorola Nicklaus MTK (XT1770)...
surajit das's user avatar
1 vote
0 answers
606 views

How do I stop my SIM card from auto-locking while powered on?

I have a set a SIM PIN on the SIM card I use in my Moto E4 Android phone. To answer some anticipated questions in advance: I know my PIN I want the SIM to lock when the system powers down or reboots ...
Sara's user avatar
  • 111
1 vote
0 answers
194 views

Huawei G7 No network-No service problem

Hy there, I am facing an issue, My Sim card automatically disconnects after some time... And reconnects automatically without doing anything...without even physically bothering the phone. And when it ...
Huzaifa Qayyum's user avatar
1 vote
0 answers
301 views

Google services don't work on apps but work on browser after changing SIM card

I changed the SIM card in my cell phone and Google apps such as Google Maps, YouTube, etc. no longer works, saying I was offline. Yet they still work if accessed from a web browser. How to get the ...
joehua's user avatar
  • 111
1 vote
0 answers
38 views

Which component of the Android protocol stack performs cellular encryption?

I understand that the SIM Card plays a significant role in generating keys for the encryption and decryption of cellular traffic, but are these keys passed to the Android architecture so that it can ...
Jason Taylor's user avatar
1 vote
0 answers
415 views

SIM IccId - logged anywhere?

Is there anywhere I can find historical traces of the IccId? By that I mean, something to indicate the identity of the sim card at some point back in time. Ideally, this would be as far back as ...
Vegard's user avatar
  • 111
1 vote
1 answer
148 views

Huawei 5C - locked out wanting PIN1

I have a rooted Huawei 5c that I'm locked out of. It requires 'SIM1 - PIN1' which AFSAK I never created. Normally one gets three attempts and then you have to input PUK (which I have); that I'm aware ...
cliff's user avatar
  • 11
1 vote
0 answers
87 views

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 ...
Abraham JA Carvajal's user avatar
1 vote
1 answer
738 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 ...
Kayracer's user avatar
1 vote
0 answers
221 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 ...
YetAnotherRandomUser's user avatar
1 vote
0 answers
4k 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....
kpozin's user avatar
  • 111