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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30 views

Asus Zenfone 6 doesn't see SIM cards without booting itself. How to troubleshoot the issue?

I have a problem with Asus Zenfone 6 device, which worked well on stock firmware with minimal amount of additional installs for about a year. This is a dual SIM phone and it has both SIM card slots ...
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19 views

How to access the SIM bluetooth profile of my non android phone on my android tablet without rooting?

It is very common in cars to be able to use phones for sending SMS or calling with the SIM bluetooth profile. But I would like to use my tablet to overcome limitations of my phone. As I have already ...
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34 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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1answer
132 views

No SIM Card detected, Emergency Call Only After Flashing Custom ROM AND Stock ROM [Sony Xperia AcroS]

Yesterday i've decided to check some of the custom ROMs for my Sony Xperia Acro S. With locked bootloader i installed a CWM Recovery and flashed a ROM. The ROM Worked and the signal worked and i've ...
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1answer
44 views

Old phone to track my bike in case of theft

I have an old galaxy s3, I was thinking of storing it in my bike seat or a lockbox on my bike in case it gets stolen so i can track down my bike. Is there any way of doing this without a sim ...
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1answer
162 views

Update android OS without SIM card

I have a Moto E phone which I brought from Tesco in the UK. I assume it is unlocked as it doesn't have any Tesco mobile branding on it when I turn it on. My question is whether this can upgrade to ...
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57 views

Inconsistent SIM-Card problem

Three days ago, I dropped my Samsung Galaxy S4 GT-I9505 straight on its back from about 1 meter height. After that, the SIM-card slot apparently stopped working. After trying out my mother's SIM-Card, ...
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2answers
2k views

Micromax Unite 2 A106 updated to Lollipop version and no network or sim detected

Using Micromax Unite 2 A106, updated to latest version of lollipop, after finalization and restarting my phone is not able to detect any SIM/network. Also no display of selection of Mobile network is ...
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124 views

How to change original (unchangeable?) ICCID/SIM card serial from an AVD

I need to have several running Android Virtual Devices, so have been trying to change the original ICCID/SIM card serial from an AVD and all the solutions I found oblige me to alter QEMU's code (see ...
2
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0answers
60 views

sim unsupported

There's a problem with my 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 thankfully ...
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1answer
315 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 ...
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48 views

Delete a saved message on SIM card on HTC Desire

I have HTC Desire 612. I saved a message to SIM card and I've tried to delete it. But everytime I try, it shows back up in my threads. How to delete it for good?
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0answers
144 views

prevent “empty slot” notification for SIM 2

I've got a dual SIM phone which I use with only 1 SIM, and I find it really annoying when it prompts me a warning notification about the empty 2nd slot each time I turn on my device. How can I prevent ...
0
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1answer
79 views

Why do US SIM cards slow down my Galaxy Note 3, and prevent system settings from opening?

I have a problem that seems specific to US SIM cards. They cause the performance of my Galaxy Note 3 to tank, and I can't get into the system settings at all, without rebooting my phone into safe ...
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2answers
1k views

How to set default SIM for calls on Lenovo A7000?

How to set default SIM for calls on Lenovo A7000 running Android Lollipop 5.0 and Lenovo's Vibe UI? PS: I have bought an Android phone for the first time.
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0answers
153 views

IMEI spoofing won't fix invalid Sim Card

I recently bought a second-hand LG Pro Lite. I restored it to its factory settings. For a few days, it worked properly. A week or so later, I had no phone service. Everything else works fine. As I ...
2
votes
1answer
331 views

Using a custom Lock Screen does not unlock the SIM (PIN)

When using Hi Locker as my lock screen, my Android Lollipop device does not prompt me for my SIM PIN upon boot -- and leaves the SIM card locked (therefore providing no service). Details: I'm ...
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1answer
515 views

SIM card not detecting and imei null after flashing recovery (intex aqua i5-not i5 HD)

I wanted to flash custom ROM . Before that I flashed a custom recovery img. Then I tried flashing custom ROM zip file using flashify. It said flashing completed and reboot to continue. When ...
0
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1answer
55 views

Why won't my no SIM Android phone pair with an Android Wear watch?

I have got a brand new Nexus 6, and brand new LG G Watch. Everything seems to work fine, but when I try and pair them, at the final stage the watch says "Just a minute" for a long time, and then ...
0
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1answer
62 views

Network App Restriction

I recently bought a japanese cellphone (Fujitsu F-06e NX). It came with some really cool apps but most of them have limited functionality due to network work restrictions (Phone must be on docomo ntt ...
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1answer
809 views

I can't find the SIM card slot on my Samsung Galaxy Tab 2 10.1

I have Samsung Galaxy Tab 2 10.1, but there is no SIM card slot available to put in. Is there any adapter or another way to put the SIM card and use it?
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169 views

SIM card removed

My Samsung Galaxy S4 recently started displaying an error saying SIM card removed. Unable to detect your SIM card. Your device will restart to check for your SIM card. There is nothing to do at ...
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0answers
178 views

XOLO Q1000 SIM CARD ERROR. Not being able to flash other roms due to bootloop.

I recently rooted a Xolo q1000 phone and flashed CWM. I flashed a zip ROM but was not happy with it. I then downloaded a kitkat based rom from XDA which had to be flashed through Sp Flash tools. I did ...
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1answer
75 views

How to insert a SIM card on a MyWigo City?

First of all, excuse me if this is not the correct site to ask this question or if it seems too stupid, but I have been struggling with that for some hours and I couldn't solve it yet. The point is ...
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0answers
76 views

Why won't my THL android allow my number to connect?

I bought a THL phone on eBay. I purchased a 4G pay-as-you-go SIM to go with it. The problem I'm having is that voice and text messages cannot be sent or received. I set up the SIM card on an iPhone ...
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207 views

Using Whatsapp on same phone but different sim card

I have a phone now that have WhatsApp installed on it, but I have a new sim card, and I don't know the phone number I used to register for Whatsapp because I used another sim card while traveling and ...
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0answers
282 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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0answers
333 views

Setup Motorola Moto G 2nd gen without sim card

Can I reset and resetup my Motorola Moto G 2nd gen [XT1068] smoothly without having a sim card inserted? I don't want the setup system to want my sim card because every setup it auto enables the ...
0
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1answer
1k views

Viber already on PC and want to install on android without SIM

I already have a viber installed on my PC and want to install on my android now. Want to use the same old mobile number with viber but I cannot receive SMS on that old number. How to activate viber ...
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0answers
287 views

Unlock a Samsung Galaxy Note 3 SM-N9005

As the title says, im wanting my note 3 unlocked from the 3 (three) network in the UK. I understand the Samsung unlock servers are down which is why i haven't done it myself, but also understand ...
0
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1answer
694 views

metropcs ZTE no network and doesn't connect,

I recently had to factory reset my phone. Now when I put the SIM card in from my Huawei it won't connect to the carrier data network, it only works on WiFi.
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1answer
332 views

Does replacing a damaged SIM slot changes the IMEI as well?

I damaged my 3G (WCDMA) SIM slot which I need to get replaced/reparied. I'm curious whether the replacement will also change the IMEI no or the slot? i.e. is IMEI info linkedup with the SIM SLot ...
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110 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
139 views

Manual network unlocking failure, please HELP

Im trying to unlock my Samsung Galaxy S3 GT-I9300 and i have some troubles. My phone is running on Android 4.1.1 and it has root mode enable. 1: I dial the "secret" code *#197328640#. 2: Press ...
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0answers
200 views

S4 not detecting Sim card

I'm not sure that this is the right place to ask this but I hope getting any hier. I have a Samsung S4 that doesn't recognize the SIM card I've bought a new SIM-Card reader and changed the old one, ...
0
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0answers
229 views

How can I view contacts and SMS on my SIM card (without importing them)?

I need to replace my SIM card with a newer one, because the new phone I ordered has only a micro-SIM slot. The replacement SIM has just arrived. As soon as I activate it, the old one will get ...
0
votes
1answer
616 views

Samsung Galaxy S5 Active no SIM Card

I tried rooting my device with towelroot only to find out it didn't work. I went to bed before doing this, and when I woke up my phone said no SIM card, please insert in the notification bar. I got ...
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0answers
280 views

Retrieving lost SIM PIN and PUK

If the SIM and PUK are stored on the SIM card, then why can't an Android application read this information and display it to the user? Thanks.
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0answers
334 views

Disabling/Changing PIN on Android device: where are the disabled flag and new PINs stored (SIM or internal storage)?

On my Samsung Galaxy SIII, one can go to Settings -> More -> Security -> SIM card lock -> Set up SIM card lock -> Lock SIM card` which displays a check box which can be used to configure the phone to ...
0
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1answer
301 views

Possible to change SIM card PUK on Android device?

On my Samsung Galaxy SIII, one can go to Settings -> More -> Security -> SIM card lock -> Set up SIM card lock -> Change SIM PIN to change the default PIN that came with the SIM card. ...
0
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0answers
100 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 ...
0
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0answers
73 views

Htc does not recognize any sim cards

I have a HTC wildfire that i am using as a replacement phone until my contract is up as my former phone is broken. It works fine however wont detect ANY sim cards i use. I have tried an o2 and two ...
4
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2answers
2k 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 ...
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0answers
351 views

How to delete SIM card messages in Kit Kat

How to delete SIM card messages in Kit Kat? Usually I get the SIM card is full error, but if I try to delete the messages I get the error Unfortunately, messaging has stopped. This is a Micromax ...
1
vote
1answer
74 views

Ordered i9300 from eBay - need help to understand what's going on

I've ordered a new, unlocked i9300 from eBay, and I had some adventures with it: I've unpacked it, inserted my SIM, powered it on, and found out that the phone always thinks that I'm roaming. ...
0
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0answers
213 views

Samsung Galaxy S III I9300 - “Insert SIM card” after installing CM 10.2

I flashed CyanogenMod 10.2 from zip on SD card with ClockworkMod, and now my Galaxy S3 doesn't detect my SIM card. Upon loading CM the first time, it shows the following message: SIM card - you ...
0
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1answer
2k views

Sim change alert - Unforunately, Settings has stopped

I'm trying to disable the SIM change alert in my phone, but both "Remote Controls" and "SIM change alert" options in my Settings app are crashing it with the message "Unfortunately, Settings has ...
0
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0answers
5 views

changing phones [duplicate]

i have recently got a new phone and have to intall whats app on it but I don't want to change my old number. unfortunately I don't have the old sim card for me to receive the verification code. what ...
0
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2answers
381 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 ...
0
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0answers
131 views

Your sim doesn't allow to make connection with the network, in android how to solve?

I have unlocked my moto e and have installed cyanogenmod custom rom, but I am getting an error – i.e there is no network coverage. When I tried to manually register onto a network it gave me a message ...