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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Verizon HTC Incredible 2 [duplicate]

Will rooting my HTC Incredible 2 allow me to switch carriers ? If not does anyone have any information on how to unlock my phone from Verizon ??
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1answer
715 views

Determing SIM/network/carrier lock status in software

Is there a way to determine if a Galaxy S3 (i747, running 4.1 JB, stock ROM, but with root) is currently carrier locked in software (i.e. without needing to obtain and insert a different network's ...
3
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1answer
2k views

Why can't all rooted phones be unlocked?

I enjoy modding my phone with custom roms, kernel patches, and custom bootloaders. I know that the bootloader/recovery can be overwritten, as can pretty much any partition that exists on the phone. ...
3
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4answers
14k views

How can I remove the SIM lock from a Samsung Galaxy S?

I bought one from bell Canada, and I can't put in a SIM card from any other service provider. Does anyone know how to unlock this phone?
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3answers
11k views

Network unlock code not working

I have bought a used Motorola Defy (MB525), rooted, running CyanogenMod 9 (ICS 4.0.4). It is locked to work with only a specific carrier. I bought an unlock code, and unaware to this the previous ...
1
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2answers
307 views

Samsung s3 Unlock

I bought a Samsung phone, on the T-Mobile carrier in the US. I went to India last week, and got my unlock code from T-Mobile. My India-Vodafone SIM is working fine, except for the internet. I have ...
2
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1answer
271 views

Used code bought on internet to unlock Galaxy S3 from 3 UK to O2-UK. Will rooting the device harm it?

My Galaxy S3 was locked to 3-UK when I got it. So I used a code I bought on the internet to unlock it. When buying the code the form asked which network I wanted to unlock the handset for. I said ...
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2answers
2k views

How to unlock Motorola Atrix 4G for other carriers?

I bought a Motorola Atrix 4G MB860 and discovered that it is locked. I received an unlock code from AT&T but I receive the message "network unlock code unsuccessful" which according to AT&T ...
9
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2answers
5k views

Can you use the Nexus 4 without a SIM card?

I currently have an iPod Touch, I want to buy the Nexus 4, but don't want to get a plan (SIM Card) for a while. Will the device work like an iPod Touch/ Wifi capable, but no access to data away from ...
1
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2answers
24k views

How can you find which carrier a Samsung Galaxy S3 (GT-I9300) is locked to?

I bought a S3 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 out?
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1answer
1k views

Will flashing re-lock my unlocked phone [duplicate]

I bought an unlocked android phone at Amazon and it works perfectly. This phone in particular doesn't have any OS updates I could do (Motorola Defy), so basically I am stock with Froyo unless I flash ...
2
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0answers
3k views

How to remove network lock samsung galaxy s advance

Title says it all. I have been scouting the net for the past day and a half and haven't found a way to remove/unlock the network lock on my SGS Advance. It is already rooted. I have tried those SGS ...
1
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1answer
858 views

Which IMEI number should I use to unlock my Motorola DROID 2 GLOBAL (A956) IMEI or IMEI SV?

I recently bought an unlock code from Cell Unlocker.NET to unlock a Motorola DROID 2 GLOBAL which was locked to the Verizon Wireless network. Navigating to the about phone section Menu - > ...
3
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2answers
714 views

Will Samsung Galaxy Nexus i9250 work with Indian SIM Cards? [duplicate]

Possible Duplicate: Can I use my device on a different carrier? I understand that Samsung has stated they will not launch Samsung Galaxy Nexus i9250 in India and hence am planning to buy it ...
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1answer
877 views

Can I lock android phone to one network if it is unlocked?

Can I lock android phone to one network? If can be unlocked if I have both lock and unlock code? I want to lock my android phone to use only one network.
4
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1answer
1k views

Does unlocking a phone from a Network allow manufacturer updates?

I am having a major problem with Three network not pushing the latest 1.29 update for my HTC One X phone. If i get them to unlock it will that enable me to download the update that HTC have released ...
3
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1answer
832 views

Does Unlocking bootloader affect network lock?

Will the bootloader unlock procedure as shown on the HTC Dev website affect my network lock? I have an HTC Aria, which was originally SIM locked, but I got unlocked from a shop. Now, since I'm ...
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2answers
3k 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 ...
2
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2answers
1k views

set another CDMA operator in a verizon wireless galaxy tab

Got a galaxy tab 7 SCHI800BKV verizon wireless tab. It has no rim/sim port. Question is if I root the device will it be possible to set my country's CDMA operator in the device? Thanks for your help. ...
2
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1answer
444 views

How to port a SIM card to an Android phone

The procedure for porting a SIM card from a pay-as-you-go phone to an iPhone 4 is well documented (example 1, example 2, config tool for iOS 5). This is a nice option for people mostly on WiFi who use ...
14
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2answers
13k views

Do custom ROMs like CyanogenMod modify your bootloader?

Does a custom ROM like CyanogenMod come with their own bootloader or does it just overwrite the /boot kernel and /system? Does the bootloader take responsibility to lock your SIM card on a carrier? ...
2
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1answer
2k views

How can I configure an unlocked HTC Sensation XE for 3g connectivity in USA?

I bought this phone in India and brought it home to USA. In India I had no issues in connecting to 3G network but after coming back to USA I am no longer able to connect to 3G network (AT&T). I ...
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3answers
11k views

How can I unlock my Samsung Galaxy Ace?

I have just purchased a Galaxy Ace locked to a specific carrier. I was wondering if it is possible to unlock the phone for free without having to pay for it?
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1answer
150 views

Unlocking HTC HD2 and installing Android

I have HTC HD with Windows Mobile 6.5 installed and it is locked with Vodafone (Germany). If I want to install Android on it, do I have to unlock it first? Or it will be automatically unlocked in the ...
2
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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 ...
2
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4answers
1k views

Is it possible to unlock my Samsung Galaxy 3(GT-i5801)?

I moved to another country and absent-mindedly bought a SIM card for my GT-i5801 (from Orange UK) Now it's asking for a network lock code. I have searched the net and everything points to me going to ...
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2answers
166 views

Orange HTC Hero Unlock problems

Orange being the unhelpful company that it is, can't unlock phones in the shop. This was unfortunate as I was going overseas, but no matter, I called the helpline, and then was told it'll take three ...
2
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1answer
383 views

I it necessary to SIM unlock my Samsung Galaxy S2 to use a custom ROM?

I want to upgrade my Galaxy S II to Android 2.3.5, and my provider only has 2.3.3. So I have to use a ROM from samfirmware.com. Do I have to SIM unlock my phone before installing one of these ROMs? Do ...
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1answer
1k views

Unlocked Galaxy i7500, Reset Will Remove it? [duplicate]

Possible Duplicate: Will resetting my unlocked phone to factory settings lock it again? I just purchased and unlocked a Samsung Galaxy i7500 using FastGSM's system. (It cost $20 and it's ...
5
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1answer
2k views

I cancelled SIM unlock and now I cannot unlock the device

When I inserted SIM card into my phone I tapped the "cancel" button, assuming that it would be possible to unlock it later. But I fear that my assumption was wrong. The device is a Sony Ericsson ...
0
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2answers
269 views

Unlocking Xperia x10 using a jacket

I have passed the limits for attempting passcode / sim code. Someone has advised me that I should use a jacket to unlock the phone (Xperia X10a) Where do I get the jacket from? Also, will the jacket ...
2
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4answers
139 views

How do I unlock an Optimus T? Is there a “vanilla” firmware I can use?

I'm an experienced iOS developer, and I just bought my first Android phone, used, on eBay. The phone is carrier locked and I'm looking to swap in my iPhone SIM card. (I have an adapter.) The phone is ...
4
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4answers
1k views

How to unlock a “network sim” in order to use a Android phone?

I got an old Android phone (HTC MyTouch) from someone in the States. The phone says "T-Mobile" on the top. I put in my O2 SIM chip (Germany), turned it on, typed in the SIM, but then it asks me to ...
2
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1answer
388 views

Motorola Motoroi South Korea o South Africa change over

I have a Motorola Motoroi XT720 that I bought in South Korea. My service provider is SK Telecom. When I insert my South African sim card (Service provider Vodacom, and using the phone while in South ...
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2answers
1k views

Unlocking an HTC HD2 after installing android

I recently bought an HD2, which originally runs Win6.5. But currently has a very modern version of Android installed. Is it necessary to re-install the original OS in order to unlock the phone?
3
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1answer
153 views

Can an unlocked Nexus One without a carrier be used as a standalone device?

I'm interested in playing around with the new open android open accessory development kits but don't want to pay a monthly fee for having a cell-phone. If I buy the Nexus One/S unlocked and forgo ...
0
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2answers
297 views

Unlocking an Xperia X10

I have bought a used Xperia X10 for development. It is locked to a network provider, and I need to unlock it. It does not show an option for a passcode or unlock code. Is there any other way to ...
8
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2answers
11k 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?
8
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2answers
4k 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 ...
1
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1answer
925 views

Does rooting a device and installing a custom ROM SIM unlock it as well?

I'm a bit confused about this topic. I have a T-Mobile myTouch 3G which I've recently replaced with a Nexus One so it's kind of standing there. I was contemplating rooting the myTouch and installing ...
3
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1answer
11k views

What is the unlock code for Motorola Droid Pro?

I brought my Motorola Droid Pro back from the USA to Switzerland. It has never been actively on any network, as i bought it through Amazon as a "spare phone" on a Verizon network. I never activated ...
7
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3answers
1k 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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1answer
610 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 ...
11
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2answers
2k views

What is the difference between jailbreaking and unlocking an Android? [duplicate]

Possible Duplicate: What is the difference between: Rooting, Jailbreak, ROM, Mod, etc Is either possible, legal, contractually legit and does either damage the phone?