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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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23 votes
5 answers
242k views

How can I manage contacts on my SIM card with an Android phone?

How can I add and manage contacts on a SIM card with an Android phone (HTC Magic)? I'm aware of 1 application which is capable of doing this but it cost 4€ for SIMPLY managing SIM contacts o_O
user avatar
20 votes
4 answers
113k views

Remove "No SIM Card in Phone" message

I recently changed to a newer phone and currently using my old android phone as a sort of "ipod". However, it always shows the message that there is no sim card. I know this is just an annoyance but ...
user1950278's user avatar
14 votes
3 answers
447k views

How to move contacts from SIM to phone?

I have all my contacts saved on my SIM-card but I want to move them to the phone which is Galaxy note so that when I change the SIM-card my contacts are still saved and I don't need to save them all ...
Gigili's user avatar
  • 331
14 votes
8 answers
319k views

How do I find out my SIM number?

I have a Samsung Galaxy GT-I9000 and need to find out my 20 digit SIM number somehow. I have been told that I should go to Settings > General > About to find it. However, it isn't! Does ...
user28546's user avatar
  • 141
13 votes
2 answers
13k views

Good idea to transfer all phone numbers from SIM card to google contacts?

I am new to the whole smartphone thing. Currently all of my telephone contacts are on my SIM card. I suspect it makes sense to move all my phone numbers from the SIM card to my Google contacts (i.e. ...
Rabarberski's user avatar
12 votes
4 answers
7k views

Are there any problems caused by setting up my phone before the SIM card arrives?

Bought a brand-new Samsung S4 mini and ordered a new SIM card which is due to arrive in a week. So far I've inserted the battery and charged it. Should I turn it on, even without a SIM-card in it, or ...
nutty about natty's user avatar
12 votes
3 answers
56k views

Is it safe to swap SIM cards when the phone is turned on?

On my Galaxy Nexus, I can remove the SIM card without removing the battery. I'm travelling abroad and will find a need to swap SIM cards several times in my phone. I would like to know if it is safe ...
haimg's user avatar
  • 1,278
11 votes
5 answers
338k views

How do I import all contacts from a SIM-card to an Android phone?

My mother have got a HTC Wildfire with Android 2.2. Now I want to import all contacts from her old SIM-card to the phone. I did it and it worked. Then I switched to the new SIM-card, and now when I ...
Jonas's user avatar
  • 5,057
11 votes
3 answers
1k views

Prevent entering PIN code before lockscreen

I have a Samsung Galaxy Mini. I'd like to know if it is possible to prevent the user from entering the PIN code before unlocking the normal pattern, since it recently happened to me that someone got ...
Bogdacutu's user avatar
  • 161
10 votes
3 answers
11k views

deactivate PIN-request after airplane mode

When switching on the phone, one is by default asked to enter the SIM-PIN -- which is a good security measure, to prevent "strangers" from causing you costs. Now the same applies when returning from ...
Izzy's user avatar
  • 91.2k
10 votes
1 answer
12k views

Can I use a Motorola Atrix without a SIM card?

My company purchased an Atrix for app development and would like to use it without a SIM card. Unfortunately, on boot it is not possible to get past the "No SIM card. Emergency calls only" screen. ...
Aaron C's user avatar
  • 301
9 votes
2 answers
4k views

Is it possible to merge contacts from different sources and upload them to GMail?

I'd like to merge contacts from different sources -- i.e., imported contacts from phone, from sim card, and from my gmail account -- and upload the ultimate contact on my gmail account. For instance, ...
Rob's user avatar
  • 1,642
8 votes
5 answers
65k views

How can I see only phone contacts, not SIM contacts?

I have a Dell XCD35. My phone book was showing phone contacts as well as SIM contacts. So when I see the list it shows some contacts twice. I don't want that, so in display option of contacts I just ...
Mihir Palkhiwala's user avatar
8 votes
1 answer
23k views

I changed my sim card - how do I find which app is sending sms messages to my old number?

I recently traveled to another country and I'm using a local prepaid sim card on my Galaxy S2. My prepaid credit was depleted rather quickly, and when I checked the phone record I found out my phone ...
Joe's user avatar
  • 555
8 votes
3 answers
21k views

Access phone without SIM PIN

Sometimes I want to access my phone without unlocking the SIM cards (yes, two of them, so two PINs). It may be that I just want to play some games, and I know that there is no coverage so I do not ...
Envite's user avatar
  • 209
7 votes
2 answers
15k views

Storage space and memory: mobile phone architecture versus PC architecture

On a PC, there are hard disks acting as storage space where the operating system and application files are stored, and there is RAM which is memory which gets used up by the operating system ...
John Sonderson's user avatar
7 votes
1 answer
8k views

What SIM card size does the Nexus 7 use?

The iPad uses silly little SIM cards that pretty much need to be purchased ad-hoc. This means that in a pinch situation you can't e.g. swap SIM cards between your tablet and your phone (e.g., if ...
badp's user avatar
  • 475
7 votes
5 answers
62k views

THL W3 with v4.0.4 - periodically getting "Restricted Access Changed" and losing all SIM services

What happens exactly: when I use my SIM's data connection, after 1-5 minutes of operation (be it while the phone is active or locked), I get a notification "Restricted Access Changed", losing all SIM ...
dimitarvp's user avatar
7 votes
1 answer
15k views

SIM settings icon always on notification bar

I bought an imported HTC Desire about 6 months ago and put my New Zealand Vodafone SIM in it. When I start up the phone, there's nothing in the noticication bar as you'd expect. Then, after a call is ...
x3ja's user avatar
  • 277
7 votes
1 answer
5k views

Why does SIM toolkit not work with most custom ROMs?

Most custom ROMs have problems with Stk.apk (the SIM toolkit part of Android) not functioning properly. The question is not the missing application (running Oxygen, I have the app but it is not ...
martin's user avatar
  • 171
6 votes
1 answer
485 views

I just got a new Android phone and I'm wondering how google got all my old phone numbers

I finally upgraded from an incredibly old and aging blackberry to a new Galaxy S5. I like the phone, but the amount of information google is trying to squeeze out of me is feeling incredibly invasive....
Weaver's user avatar
  • 163
6 votes
1 answer
768 views

Use Android Phone like an iPod Touch (without SIM)

I'm using a Motorola Atrix 2 for testing at work, don't want to use my SIM with it. When I startup the phone I get an emergency calls only page and I can't get past it. I have had a look at this ...
sparkFinder's user avatar
6 votes
1 answer
65k views

How to make automatic SIM card selection for specific contacts?

Everytime I call someone I change SIM card to one of them and call from that SIM card. Is it possible to assign a SIM card for each contact, so that when calling a contact the phone select the SIM ...
Ashot's user avatar
  • 163
6 votes
1 answer
1k views

Android and sim-lock

I'd like to know if android phones are sim-locked. Given that they are open-source and have community images it should be 'tricky' to sim-lock one but I prefere to ask. Also - do I need to unlock if ...
user avatar
6 votes
2 answers
1k views

Mystery duplicated SIM contacts

I recently noticed that while searching for contacts I see the same SIM contacts repeated more than 20 times. In the settings for contacts it says I have 5795 contacts on the SIM card but it's almost ...
Jonas Elfström's user avatar
5 votes
2 answers
6k views

HTC Desire S - Number Unknown Is Shown?

My question is similar to this one, however what would be appropriate solution for HTC Desire S device because it does not allow you to change your phone number on SIM card like Samsung Galaxy does? ...
Boris_yo's user avatar
  • 717
5 votes
1 answer
3k views

How secure is a sim lock?

I have sim lock enabled on my sim, so basically, if I put my sim in another phone or if I restart my phone, I need to enter the sim lock pin. How easy is it to crack the sim lock if a theif got hold ...
oshirowanen's user avatar
  • 1,079
5 votes
1 answer
5k views

How can you stop your phone from saving contacts to your sim?

I Have a T-Mobile Sidekick 4G. It runs on Gingerbread. I just got my phone and when I first tried to enter a contact I accidentally pressed "Save to Sim" and "Remember This Choice". I really want to ...
Reise's user avatar
  • 51
5 votes
1 answer
259 views

Do I need network's SIM in in order to receive OTA update

I have a UK HTC Magic which is from Vodafone - I am in France for the time being and don't have the Vodafone SIM in. The phone is on the internet via wifi a lot. Do I need to have Vodafone's sim in ...
Rich's user avatar
  • 227
5 votes
3 answers
11k views

SIM card not detected on Lineage OS

I installed LineageOS on my OnePlus One (bacon) a few months ago. With Covid-19 lockdown it was weeks before I noticed that the SIM card isn't being detected. I thought it might be damaged, but EE ...
user2023370's user avatar
5 votes
3 answers
70k views

Migrate WhatsApp from phone (old expired number) to another one?

I have a phone that has had WhatsApp installed on for over 2 years now, and the phone number registered for the account is now history (it's been long gone and there is no chance I will get that SIM ...
ykh's user avatar
  • 153
5 votes
1 answer
4k views

How can I save contacts on the SIM card alone by default?

Using ICS, is it possible to store and use all my contacts on SIM only? If it is possible I don't really want to copy all my contacts to the phone and I would prefer all the new contacts to be stored ...
Ecir Hana's user avatar
  • 315
5 votes
3 answers
18k views

Android - “SIM card doesn't allow a connection to this network” ERROR

I have a problem with my Xperia X10 (U20i). I purchased it new. It worked fine for a week or so, then I switched to another network operator. When I try to connect automatically it says "Registered on ...
deepesh sharma's user avatar
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
2 answers
57k views

SIM vs. USIM inside Android smartphones

I've browsing through some jargon and cannot figure out what exactly the difference is between USIM and SIM. While not strictly an android question I figure all android phones are bound to have either ...
user2239505's user avatar
4 votes
2 answers
20k views

What happens to my WhatsApp account if my carrier sells my number to someone else?

I'm aware that I don't need a SIM card to continue using my WhatsApp account after the initial activation. But say, hypothetically, I went into a pool with my phone inside my pocket and my SIM ...
John's user avatar
  • 43
4 votes
3 answers
18k views

Galaxy Note 2 shows no sim card after radio flash

I have the SGH-T889 (T-Mobile USA version of the Note 2). When I got my Galaxy Note 2, I loved the device, but disliked the software. So, I decided to flash CyanogenMod 10 build from the N7100 forums. ...
NeilMonday's user avatar
4 votes
1 answer
10k views

Change Sim Card Number Galaxy S3

I have a new Galaxy S3 which I ported my old number to from across networks. I now have my old number, but Settings -> Status still shows the old number! Is there any way to change this on ICS or ...
James's user avatar
  • 41
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
1 answer
2k 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 ...
user avatar
3 votes
3 answers
12k views

Importing the Telegram contacts into the phone book - Android

I have a fairly serious problem. I lost all the numbers in the phone book, breaking the SIM card, but luckily I saw that most of them are stored on telegram. I tried with telegram desktop to export ...
Memmo's user avatar
  • 173
3 votes
1 answer
5k views

How can applications be installed on SIM and how do I view and disable them?

I've got a new sim card. After it found the network, soon I've got an sms (supposedly from my operator) saying: Dear client! We are installing applications on your sim card for free. Please enable ...
n611x007's user avatar
  • 305
3 votes
1 answer
3k views

Is it possible to put a micro sim from an iPhone 4 into the Nexus S?

I have an iPhone 4 with micro sim, and am wondering if it is possible to put my micro sim into the unlocked nexus s, to function as my phone (for development purposes). If not, is there an alternative ...
xdumaine's user avatar
  • 153
3 votes
1 answer
216 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
  • 31
3 votes
3 answers
28k 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, ...
Miya's user avatar
  • 31
3 votes
1 answer
2k views

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
  • 81
3 votes
2 answers
11k views

How to disable USSD notifications?

On Android 4.2.1, some new stuff has appeared in the notification area. It shows my current balance and has an icon of the "SIM-card menu" app. Also, sometimes, some spammy messages appears (from my ...
abyss.7's user avatar
  • 255
3 votes
1 answer
1k views

How do I change phone number in Viber from SIM1 to SIM2, when I only have data on SIM2?

How do I change Viber phone number in a dual-SIM phone from SIM1 to SIM2, when my current Viber account's phone number corresponds to SIM1, but I only have data on SIM2? (e.g. when I have moved to a ...
smci's user avatar
  • 155
3 votes
1 answer
990 views

How can I move incoming messages immediately to the SIM card?

I need to move the incoming messages in my Android phone directly to the sim card. I know I can click the message and move manually to SIM, but I need to do it automatically. I couldnt find that ...
n3o's user avatar
  • 131
3 votes
1 answer
2k views

Access phone without entering SIM PIN

I have a SIM card completely stuck in the SIM slot of my old phone so it's asking me for the SIM PIN every time which I do not know. Opening a Samsung S6 to access the SIM-slot on MB is not the ...
Charkel's user avatar
  • 130

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