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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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
3 votes
1 answer
65 views

Can Android device send emergency message to 911 without SIM card?

I already know that Android devices can call 911 without a SIM card (ref: Can an Android phone with no SIM card make an emergency call?), but can they can send a message to 911 without a SIM card?
ted's user avatar
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How can I use my BLU M10L Plus tablet 4G LTE as a phone using the SIM phone number?

How can I use my BLU M10L Plus tablet 4G LTE as a phone using the SIM phone number? I am unable to find the phone and messaging system on my tablet.
shental lucero's user avatar
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221 views

Put SIM card w/service and number that didn't come with Blu M22 tablet

Is there any to make Blu M22 a phone? I put a different SIM card on my tablet with service and a number. I have TextNow on the phone and can make calls and send/receive texts from that number. I just ...
Krystle Kandyce Mims's user avatar
2 votes
1 answer
49 views

A universal way of changing the PIN code on a mobile SIM card

Is there a universal way to change the PIN code on a SIM card for a mobile/cell phone? Will it work on both my phone's two SIM cards, SIM1 and SIM2?
Ola Ström's user avatar
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Valid sim card occasionally not being detected

My android (TLC 767w) Will occasionally lose all network access, reporting an error that sim card could not be detected and giving an annoying ping every minute or so at me. I've always been able to ...
dsollen's user avatar
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My voicemail is gone

My carrier is consumer Cellular they sent me a new SIM card because they said mine needed to be updated. After inserting the new one my voicemail is gone. I tried to set it up again but it says my ...
GJ.Baker's user avatar
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How to get slot_ID if phone is having single SIM?

How to get slot_ID if phone is having single SIM? i want to know in which SLOT SIM is inserted either in SLOT 1 or SLOT 2 how to get those details
Sriharsha Vardhan's user avatar
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Cannot get any mobile data when using the phone

I have a Samsung Galaxy A40 SM-A405FN/DS with two Sims. I have activated the option to use mobile data from SIM A when calling from SIM B (and vice versa A <-> B), but it does not do that. And ...
Charles's user avatar
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215 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
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3 votes
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How to disconnect SIM from network on schedule

I have a 2-SIM phone and need to be able to unregister one of the SIMs from the network each Friday from 16:30 to 20:00. The reason is that this SIM is a duplicate of another SIM which my friends use ...
JohnEye's user avatar
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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
473 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
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34 views

Japanese SIM not registering on Oppo f19 pro

My sister lives in Japan and has recently started using OPPO f19 pro. However, her sim is not registering on the device. She inserted her old Pakistani sim and it works but she obviously can't use the ...
Aafia Ijaz's user avatar
1 vote
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54 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
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116 views

Apps are crashing after changing SIM

I changed my service provider a day ago and after that almost all the apps are crashing. I deleted the cache factory stop etc. Nothing has worked. When I restart my phone I am able to use apps ...
Papi's user avatar
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627 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
2 votes
1 answer
598 views

Samsung Galaxy loosing mobile network connection randomly until restart

I'm using a Samsung Galaxy S20 FE 4G and every time I enter a building's basement, even for just a short time period, the connection is cut and my phone looses it's connection to the mobile network. (...
Z-100's user avatar
  • 121
2 votes
0 answers
287 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
1 vote
1 answer
51 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
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Gabb Plus sim card locked [closed]

My Gabb phone's sim card got locked. It's my only phone, so I can't call or text any number. I don't know my PUK code, which it requires to unlock. How would I unlock it? Thanks in advance.
DaCuteRaccoon's user avatar
3 votes
1 answer
1k views

How do Android apps access phone's simcard and determine the location/country without permission?

I noticed there are apps like Shazam or Tiktok that can find my location/country and offer local content even when I use VPN. my VPN doesn't have any IP/DNS leak. When I remove the simcard or make it ...
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102 views

Running Android with data functionality from a laptop with a SIM card slot

I have always worked with laptops and amnt a fan of smartphones or tablets, But I will soon be required to use an app, which doesn't have a desktop alternative, meaning I will need an Android-capable ...
bigbobjoule's user avatar
1 vote
1 answer
120 views

Can I install an uncertified eSIM profile provisioned by myself on Android?

I would like to set up an SM-DP+ server to provision my own eSIM profiles. These usually get certified by GSMA and are used for large-scale Remote SIM Provisioning, but I would want to use this for ...
OerllydSaethwr's user avatar
0 votes
1 answer
707 views

How do I make WhatsApp access contacts from a specific SIM?

I have two SIM cards, one personal and the other for business. I would like WhatsApp to use contacts in the SIM card that I use for business only rather than bringing all the contacts. Is there a way ...
Angelo's user avatar
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1 vote
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210 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
3 votes
0 answers
183 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
1 vote
0 answers
958 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
1 answer
324 views

Japanese SIM card not connecting to network in US

I have a Samsung Galaxy S8 SM-G950U that I used with Verizon. I moved to Japan and got a Japanese SIM card through SoftBank and used in my Galaxy S8 without a problem. My account has a global roaming ...
PleaseAndThanks's user avatar
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264 views

Is there a way to stop Android messages from network providers?

I receive ads from my network provider via Android pop-ups: Is there a way to disable it? These messages are extremely annoying, I woke up last night due to the brightness of the screen, as these ...
Mohammed Ahmed's user avatar
1 vote
1 answer
442 views

Is a SIM card needed for a remote hard reset through findmymobile.samsung?

The screen of a Samsung phone is broken completely and I want to take it to a repair shop, but before that I prefer to erase all data on it. I have been able to verify that the phone was not ...
cipricus's user avatar
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1 vote
0 answers
84 views

My location get recognized by my SIM card [duplicate]

I noticed that the TikTok app locates me by my SIM card, how is this possible? I didn't give it any Location/Call/Messages permission. Also, I used VPN but it still recognizes my location. How can I ...
Arsiki's user avatar
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1 vote
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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
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1 vote
0 answers
230 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
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69 views

How to unlock a Photon Q with an MSL code?

I'm having a strange issue with a Motorola Photon Q. The Photon Q is carrier locked to Sprint but has long since been paid off. I have the IMEI and the MSL code to unlock the device to use with other ...
Demon's user avatar
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1 vote
0 answers
38 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
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0 answers
3k views

Restore contacts from VCF to SIM Card

I've been trying to restore contacts from a vCard backup I have (VCF file) to the SIM card. So far I managed to do it, but only through an app called "Simple contacts - Easy contact manager" ...
Edw590's user avatar
  • 141
1 vote
1 answer
6k views

Can't delete contacts from SIM card

So in an attempt to undo all the [wrong word here] apps do in mixing contacts somehow, I ended up deleting all contacts from the entire phone including the SIM card, to then try to put them back ...
Edw590's user avatar
  • 141
1 vote
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2k 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 ...
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2 votes
0 answers
3k 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
0 votes
1 answer
74 views

How do I copy contacts from my SIM card to a Moto G8 Power?

Well there's not really more to say about my question apart from: Yes, I've looked for this feature on the Internet and on my phone.
csabinho's user avatar
  • 103
0 votes
1 answer
40 views

Are non indian sims work in this mobile?

I recently my Indian fb friend bought a Samsung F41 mobile online. On the package seal, it's written "Indian SIM Cards only". Are non indian sims work in this mobile?
Yamin Lopez's user avatar
1 vote
1 answer
787 views

Blocked SIM card and getting asked for PUK on Lineage OS 17.1

I installed Lineage OS 17.1 on my Samsung Galaxy S3. Everything worked just fine until I put in my SIM card. The first thing which happened after booting was getting directly asked for the PUK code ...
user335160's user avatar
1 vote
0 answers
905 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
0 votes
1 answer
933 views

Can't use mobile data on non-default sim, even if inactive when the second sim is open call

I'm using OnePlus 7T with dual sim. Sim #1 is my default sim, and Sim #2 is a data sim which I'm using only for mobile data. Obviously, I've defined Sim #1 to be the default sim for calls and sms, and ...
Meir Halachmi's user avatar
0 votes
1 answer
58 views

Telegram does not recognise account after being offline for almost a week due to battery failure

On Sunday, 13th September 2020, the battery of my Motorola Moto G5 broke down and I ordered a new one. Today, on Friday, 18th September 2020, it finally arrived and it works just fine. Several errors, ...
Nemgathos's user avatar
  • 115
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
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1k 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
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3k views

Disable/enable second DualSIM card command

I use the MarcoDroid app to change phone settings depending on events. I want to turn on and off the second sim card depending on the event. I found a command option where I can type the command to ...
Peter's user avatar
  • 101
1 vote
0 answers
476 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
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