Phones often ship with a SIM lock that ensures they can only be used with a single carrier. Unlocking a phone allows it to be used with any carrier.

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2answers
24 views

How to delete my contacts that is save in this phone [closed]

Because my contacts are in this phone and I can't transfer it to my New Android Phone
4
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1answer
61 views

How to use phone calls without code?

My friends and family need to use my cellphone regulary, it doesnt bother me, because some of them cant have a cell but still need one just in case...the problem is that i dont want them to have ...
0
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0answers
9 views

How To Unlock Samsung Note 4

I bought this phone on eBay. Description said clean IMEI and not blacklisted per Swappa. My wireless company said it was locked. It's a Verizon phone. I was trying to get it on my Cricket account ...
0
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1answer
2k views

Using non-Verizon SIM on Motorola XT912 Verizon phone

I am living in India and my uncle gave me a brand new Motorola DROID RAZR XT912 Verizon phone, but I have inserted a non-Verizon SIM and there is no signal and I got the following error message: "This ...
1
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2answers
119k views

How can I check whether my phone is network locked (Samsung GALAXY S3)?

I have a Samsung GALAXY S3 with a rooted Android 4.1.2. My network provider is AT&T. I tried dialing *#7465625# but it doesn't work:
0
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2answers
1k views

Will my phone (carrier unlocked but initially locked to verizon) get locked after Kitkat update?

I've bought Motorola Droid Razr M from eBay. It is locked with Verizon by default, so seller unlocked device for me and it is working fine. It comes with Jelly bean 4.1.2 and I found that Kitkat ...
0
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0answers
26 views

Note 5 reading only one SIM card

My Samsung Galaxy Note 5 was working fine until one day when I used a new SIM card for one mobile network instead of the one I lost. That SIM wasn't recognized by the phone and it was showing ...
0
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0answers
29 views

Samsung tab s2 update service temporarily unavailable

I just got a galaxy tab s2(i had asked for wifi only, but got verizon locked lte instead) Now when I try to go to system updates, it says 'update service temporarily unavailable' What do I do to fix ...
0
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0answers
21 views

How do I unlock my new Galaxy tab s2

I just purchased a Galaxy tab s2 9.7 from a website. I had asked for a wifi version, but I got an LTE version locked with verizon. I would like to know if there are ways to unlock the sim so that I ...
1
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0answers
19 views

Samsung galaxy s4 - how do i find out what my phone is locked to?

I have recently purchased a Samsung galaxy s4 off of eBay but when it arrived it did not have any indication of what network it belonged to, every time I have gone on websites and typed in the coding ...
0
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1answer
248 views

Galaxy S5 after System Update is asking for SIM Network Unlock PIN

I recently purchased a Galaxy S5 on http://amazon.co.uk. This was a well deserved upgrade from a galaxy S2. When I got the phone I powered it on with my Vodafone Spain SIM card and it worked ...
2
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4answers
7k views

Will flashing other region's ROM unlock GT-I9515?

I bought a Samsung S4 GT-I9515 from Saudi Arabia. But returning to my country found that this phone is locked and I don not know of any unlock code. It is also not possible to contact the seller in ...
0
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0answers
65 views

Using Samsung Galaxy S3 without sim card

I recieved a Samsung Galaxy S3 Mini I8190 from a friend. It shows T-mobile on startup and shutdown, but after putting the IMEI-code in at the T-mobile site they say its unlocked already. I never had ...
0
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0answers
380 views

How to network unlock (Country Code) of Lg Tribute 2 LS665 phone

I have LG Tribute 2 LS665 Virgin Mobile. It is lock to Sprint network. I received network unlock code from unlockcode247.com successfully by providing IMEI to them. Now I am trying to give that code ...
0
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1answer
4k views

Unlocking SIM card Huawei Ascend Y530

I recently bought Huawei Ascend Y530 which is SIM-locked in a swiss provider, swisscom that is. I checked through the web to find how can a sim-locked phone be used with any sim, but surprisingly I ...
0
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0answers
95 views

SIM unlocking on downloaded ROM

Hello android community. This title may seem very usual, like there are endless posts online to find the solution to this. However, in this situation, it is not as easy as it seems. (look at the ...
0
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0answers
59 views

Find original phone carrier/network. Samsung Galaxy Core LTE

With a Samsung Galaxy Core LTE (SM-G386W) how are you able to find the network it originally belonged to so that you can unlock it? This model does not work with IMEI searches in the sense it does not ...
1
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0answers
151 views

samsung galaxy S6 Sim Network unlock pin

I Have bought a Samsung galaxy s6 model from Saudi Arabia and inserted saudi STC sim and i just made a call and brought it to India.I tried with inserting Indian SIM and it asked me for the "Sim ...
0
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0answers
186 views

HTC Amaze 4G asks for SIM IMSI unlock PIN

Some two years ago I bought an HTC Amaze mobile from HTC vendor in Pakistan with HTC warranty through their local agent in Pakistan. Mobile was working well. I tried to upgrade its Android from 2.3.4 ...
0
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0answers
142 views

How to remove carrier lock?

I have a Sony Xperia Ray. What is neccessary to remove carrier lock? It is important that the lock it truly accidental, I got it just by using T-Mobile sim card for a while. And now the phone ...
0
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0answers
114 views

Unlocking/initializing factory-resetted phone [no sim]

HTC Magic (T-Mobile myTouch) I have an old pre-paid phone which I want to give to my dad for running offline and Wi-Fi apps. I factory-reset it to quickly get rid of my old stuff and in the hope to ...
2
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3answers
26k views

Is a device Unlock Code required when changing providers?

So... I just switched from AT&T to Cricket Wireless. They gave me a new SIM, and AT&T gave me an Unlock Code. I have an Android Samsung Galaxy Skyrocket S2. I use Cricket Wireless. I put in ...
9
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2answers
8k views

Where are the SIM Lock settings stored on an Android phone?

After getting more involved with the "aftermarket" community, I have this question that's been on my mind for a while now. Since rooting and flashing a custom ROM on an Android phone doesn't give one ...
0
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0answers
78 views

How is the network lock interrupt handled by the Android OS? Is it even handled by the OS?

I am unsure if the interrupt is handled by the OS or not, or if there is even an interrupt or not, however I am referring to the pop up message that ensues when you put in another carrier's sim card ...
1
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0answers
135 views

Unlock Phone without the Screen (neither seeing anything nor touch is possible) or USB-Debugging

I have a problem with my mothers Samsung Galaxy S3. The Screen is completly dark and it seems like the phone doesn't react to touches. There are pictures and contacts at the internal storage, wich are ...
9
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2answers
23k views

Will resetting my unlocked phone to factory settings lock it again?

I have an unlocked G1 that is freaking out on me in various ways. If I "restore factory settings" am I going to wind up locking it?
0
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0answers
261 views

SIM Unlock Samsung Galaxy S III straight talk wireless model # SCH-S968C

I have bought a Samsung Galaxy S III straight talk wireless model no. SCH-S968C via mail from WalMart. So, any GSM line is not working. I think it is SIM-locked. How can I do a SIM unlock and be ...
0
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0answers
310 views

Note 4 SM-N910c sim network unlock code

I have bought a note 4 international variant from KSA and i dint use that there, when i brought it to india and tried to insert a sim there it was the sim network unlock code. Anybody please help me ...
-2
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1answer
535 views

Network unlock a cyanogenmod phone

I have a Galaxy S4, SGH-I337M. I installed an unofficial CM 12.1 ROM because they've only released official CM ROMs up to 11.0. I brought it into a store to get it network-unlocked from Telus ...
8
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2answers
3k views

Is there a free way of unlocking an Android phone from a particular network?

I bought a cheap Android handset for development and it is an exclusive to a particular network. I would like to unlock it so I can use an existing SIM card from another network. I've done some ...
5
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3answers
14k views

unlocked device vs. unlocked bootloader

I've always thought that if a device is unlocked it means that it works with different carriers. If the device bootloader is unlocked, then does this mean the device will automatically work with ...
1
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2answers
6k views

Samsung Galaxy Gio network menu

I have a problem with my galaxy gio. It has a network lock (I think) and I've tried to unlock it. The problem is that I have the unlock code but the phone doesn't ask for it. It is there a menu or a ...
0
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0answers
71 views

Strange case: mobile data is blocked by provider but working on cyanogenmod

I just encountered a really strange case, I was wondering if anyone had an explanation: this sim card suddenly stopped working, we tried the card on 4 different phones and the 3G wasn't working on any ...
1
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1answer
139 views

Can Nexus devices be SIM locked?

I have Nexus 4 from Fido (Canadian provider). I want to use with another provider, but I don't know if it's locked by Fido. I read this discussion and see opposite points of view: NEXUS devices ...
2
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1answer
70 views

Will flashing CyanogenMod reset the status of SIM lock on Nexus S?

I have Samsung Google Nexus S (SIM unlocked) on Android KitKat. I am planning to install CyanogenMod 11 on it. The question is, will upgrading to CyanogenMod lock my SIM? Will I have to unlock it ...
0
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0answers
153 views

Galaxy s5 network mode disabled

I recently bought a Samsung Galaxy S5 (SM-G900R7) from Swappa.com and as per the seller the phone has a clean IMEI (which is true as per multiple website checks) and is unlocked**(I have a doubt ...
2
votes
1answer
2k views

How to unlock a Motorola Photon 4G for other carriers?

I won a Motorola Photon 4G. They are tied to Sprint, which is CDMA, but it is a world phone, which means it supports GSM and uses a SIM card. I was reading that there may be an unlock code to allow it ...
0
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2answers
401 views

SIM lock question

I intend to buy a new sim-unlocked at&t LG G2. So I want to know is there a possibility that an update will ever relock it again? Am I free to root it and install custom roms without relock ...
1
vote
1answer
17k views

How do you SIM-unlock the SGH-I317 (AT&T Samsung Galaxy Note 2) on Jelly Bean 4.1.2?

I have looked all over the internet, and a lot of the download links and information has gone stale, or is incorrect. I wanted to standardize it here for other people.
0
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0answers
193 views

Unlocking Samsung Galaxy S4 SGH-1337M

I'm having difficulties unlocking my phone. Everything goes smoothly until I get to the options within the Network lock in the service menu. Instead of three options I only get one. If I press the ...
5
votes
2answers
642 views

Unlocking Android phone immediately after reboot

I have an Android phone (version 5.1.1) with cyanogenmod (version 12.1). And after rebooting I cannot immediately unlock my phone. If I try to unlock my screen (lock style = pattern) immediately after ...
0
votes
1answer
295 views

Is “android_secret_code” a code to unlock the SIM?

On my Sony Xperia E, I copied and extracted my SIM unlock app (the official one) and found a bunch of 7 or 8 numbers with the words android_secret_code. Is this my SIM unlock code? If so, just to be ...
0
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0answers
424 views

Enter PIN code…without sim card inserted

I have one problem with MeanIT MG430 phone - there is no sim card inserted but when I turn it on, there is "Enter PIN code" screen. PIN code is "connected" with SIM card, so why I see this screen ...
1
vote
1answer
7k views

Mobile network not available on unlocked Active

I purchased a "new" unlocked Samsung Galaxy S4 Active SGH-I537 phone on E-Bay. Everything works fine except when I use the phone with my local carrier SIM card. When I insert the SIM card and turn on ...
2
votes
2answers
29k views

adb sideload does not transfer data

Just to clarify, it's my first time trying to unlock and root my phone, so I'm not very knowledgeable in this matter. I basically followed the steps to unlock the bootloader. Everything worked ...
1
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1answer
1k views

Mobile network settings - Not enabled for modifications (Greyed)

I bought a zte v7275 tablet Device information model number - ZTE V7275 android version - 4.0.4 kernel version- 3.0.21-perf-gc8726c4f Flash ROM which is likely to be locked to a single ...
2
votes
1answer
525 views

Samsung I9300 - Network unlock fails

I recently flashed a custom ROM on my Samsung I9300. Everything is working fine, except I have to enter a 'SIM network unlock PIN'. I assume, that this is not the usual 4-digit PIN code. If I enter ...
0
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1answer
6k views

Both Sims are not detected after update Lenovo A390 with the latest ROW firmware

I have format my Lenovo A390 and update to latest ROW firmware version A390_ROW_S316_130730. Everything work fine but sim cards not detected. At down of the lock screen shows Invalid IMEI. In the ...
1
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1answer
90 views

How can you find which carrier a LG D803 is locked to?

I bought a LG D803 and it came locked to an unknown carrier. All the unlock services require the information of which carrier the phone is locked to give me an unlock code. So, how can I find that ...
1
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1answer
650 views

Phone asking “SIM network unlock PIN” after flashing new Stock ROM on Xperia S

I have Xperia S (LT26i). Earlier it had 6.2.B.0.211 installed. I flashed it with "XperiaS_LT26i_6.2.B.1.96_1257-6919.ftf", flashing was successful, but after I started my phone I saw this message ...