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.
Questions tagged [sim-unlocking]
155 questions
18
votes
2 answers
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?
Basically, I'm interested in SIM unlocking my…
Muhammad Ghandour
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14
votes
2 answers
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 SIM unlock that means that the SIM lock settings…
Miky Dinescu
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12
votes
2 answers
What is the difference between jailbreaking and unlocking an Android?
Possible Duplicate:
What is the difference between: Rooting, Jailbreak, ROM, Mod, etc
Is either possible, legal, contractually legit and does either damage the phone?
MatthewMartin
9
votes
2 answers
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?
Amanda
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9
votes
2 answers
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 Wifi/Call/Text.
Josiah
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9
votes
3 answers
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 googling and it appears that there are many services…
user155695
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8
votes
3 answers
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 different carriers?
That is do unlocked device and…
user2239505
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7
votes
2 answers
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 rebooting I always get the message: "try again…
Maarten Derickx
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6
votes
1 answer
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 I use dual-sim adapter with one legal card in it?
Maciej Piechotka
5
votes
1 answer
What are the various ways an Android phone can be locked?
I ask this question because the confusing terminology of different types of "locked" and "unlocked" like rooted and not rooted, Sim-locking, FRP locks, lock screens, ADB active debugging, and black listed phones, and even carrier locking. These are…
Emmanuel Lopez
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5
votes
1 answer
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 XPERIA X8.
Sadly I cannot find anything in "Settings"…
neoneye
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4
votes
2 answers
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 perfectly, I reached the recovery, went on 'apply update…
user2584376
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4
votes
2 answers
How can I remove the SIM lock from my Samsung Galaxy S Blaze 4G T-Mobile?
I got an Galaxy S Blaze 4G as a gift from USA. The phone is locked and did not accept any SIM card in my country (just for T-mobile). Instead it ask for a unlock code.
Ts there any software way to unlock the phone (maybe with help of root)?
mohammad
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4
votes
1 answer
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 the verizon chip. I am now back in Switzerland and…
djo
4
votes
4 answers
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 owner got an unlock code from the carrier. Both are…
That Brazilian Guy
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