Some bootloaders are locked by the manufactures to prevent the phones from booting unofficial firmware images.

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1answer
436 views

Does Sony always check if the bootloader has been unlocked when repairing the phone?

I'd like to unlock my Xperia Neo V's bootloader, but on the other hand I don't want to lose my warranty. Obviously, that isn't possible. So my question is: Do Sony Ericsson's repair centres always ...
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votes
3answers
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What does “fastboot oem lock” do?

I've had my phone for months, loading with several firmware, ROMs and OTAs, without ever running this command. What does it do? What I know is that "fastboot oem unlock" displays the confirmation ...
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votes
1answer
11k views

Problem with unlocking the HTC Wildfire bootloader with HTC unlocker

I tried to unlock HTC bootloader by the official tool but I get to the stage when I issue the command: fastboot oem get_identifier_token Unfortunatly I get error ... (bootloader) [ERR] Command ...
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votes
0answers
357 views

Unlocking bootloader on Sony Ericsson NEO V

Has anybody managed to use Fastboot on Ubuntu to unlock the Sony Ericsson Neo V? I tried and got the blue led light (bootloader) while connecting the USB. But Fastboot still doesn't recognize the ...
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vote
1answer
1k views

Unlocking the Bootloader on a Nexus One with S-On

I'm interested in rooting my (Very recently bought) nexus one, and installing Cyanogenmod over Fastboot. However, on the boot screen of my device I've noticed the first line tells me that security is ...
3
votes
1answer
2k views

Xperia play bootloader locked?

Hi guys i've been trying for quite a while to unlock the bootloader of the phone i've bought. It's from hong kong and branded to vodafone it's not sim locked as I tried an optus sim and it worked. I ...
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votes
1answer
2k views

Does the Samsung Galaxy S II come with an unlocked bootloader?

Does the Samsung Galaxy S II come with an unlocked bootloader as earlier promised by Samsung?
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2answers
1k views

How to unlock Nexus S 2.3.3 bootloader without having to wipe all device data?

The usual way is to execute: fastboot oem unlock But this will erase all my private data.