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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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?
1
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2answers
164 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 ...
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 ...
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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2answers
304 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 ...
0
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2answers
60 views

How to unlock a G1

Yes, I got the G1 the day it was launched in the UK. Swapped it for HTC Desire when that was launched. Now have a Galaxy S4. Anyway, I moved away from T-Mobile without removing the G1's network lock ...
1
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0answers
940 views

zte turkcell maxiplus 5 sim lock after flashing custom rom

I have a ZTE phone, that I installed a CWM recovery. After that I tried to install a custom rom.... After many problems I managed to flash the official rom from ZTE site by using their online update ...
1
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1answer
865 views

Will my device get locked again after update?

I've bought samsung captivate glide I-927 from eBay. It is locked with at&t by default, so seller unlocked device for me and it is working fine. It comes with Gingerbread 2.3.5 and I found that ...
1
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0answers
16 views

Will my phone will get locked after upgrading to Jelly Bean? [duplicate]

My phone is Docomo Samsung Galaxy S2. The default network is Docomo but I unlocked it by giving it to a shop I want to upgrade it to Jelly Bean will it be lock again? How can I upgrade it ?
2
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4answers
138 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
votes
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 ...
4
votes
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 ...
1
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0answers
30 views

Help samsung home pin

I have a Samsung Galaxy S3 mini. Sometimes when I go to enter my PIN, if I touch anywhere on the screen i.e. on my screen saver, any of the numbers, or go, it just inputs "0" in the entry box. How can ...
3
votes
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 ...
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1answer
2k views

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 ??
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. ...
1
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1answer
149 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 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 ...
1
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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 ...
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 ...
2
votes
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 ...
3
votes
2answers
713 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 ...
1
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1answer
921 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 ...
-1
votes
1answer
859 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.
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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 ...
3
votes
1answer
823 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 ...
2
votes
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
votes
1answer
437 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
votes
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 ...
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 ...
1
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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 ...
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 ...
1
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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?
5
votes
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 ...
2
votes
1answer
385 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 ...
3
votes
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 ...
5
votes
1answer
604 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
votes
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?