Some bootloaders are locked by the manufactures to prevent the phones from booting unofficial firmware images.
11
votes
2answers
3k views
Why does unlocking the bootloader wipe phone?
I understand that unlocking the bootloader will wipe my Android phone, but have been looking around for why. Seems to be by design, but what is the reasoning for that design? Is it some security ...
7
votes
1answer
1k views
What's the security implication of having an unlocked boot loader?
Nexus devices can be unlocked using the fastboot command fastboot oem unlock to install a custom firmware. For security reasons, the phone is wiped when this command is executed. However after this is ...
6
votes
3answers
8k views
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 ...
5
votes
1answer
6k 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 ...
4
votes
1answer
448 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?
4
votes
1answer
3k views
fastboot not working on my Nexus 4
I'm trying to root my N4, and fastboot doesn't seem to work. Running it on linux, and the fastboot binary seems to run.
'Fastboot devices' produces info on my device, but 'fastboot oem unlock' just ...
3
votes
1answer
449 views
What exactly gets wiped when unlocking Galaxy Nexus?
I've seen a few guides on how to unlock the Galaxy Nexus to prepare it for rooting, and they say that the fastboot oem unlock command will "wipe your personal data".
I'm a little unclear on what gets ...
3
votes
1answer
474 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 ...
3
votes
2answers
8k views
Problem unlocking HTC phone using their fastboot program
According to HTC, my Amaze 4G is fully ready from the factory to be queried for its identifier tolken, but when I run the appropriate command, it doesn't work. I get:
$ fastboot oem ...
3
votes
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.
2
votes
1answer
225 views
Does the bootloader need to be unlocked to flash my phone
I am not able to relate between bootloader unlocking and flashing. From what I understand, when I flash my phone with a custom ROM, it writes to the /boot partition and hence the bootloader has to be ...
2
votes
2answers
200 views
Will bootloader unlocking provide access to all the apps in the Play Store?
My flyer doesn't allow few apps to be installed from the Play Store as it shows "This app is not compatible with your device" and this incompatibility is not due to OS. If I get the apk of this app ...
2
votes
2answers
3k views
Unlock bootloader using fastboot using Ubuntu/Linux
I am trying to unlock bootloader for my HTC Legend.
I have ADT (Android SDK according to release 21.1) on my Ubuntu/Linux box.
While following the HTCDev instructions to unlock bootloader of HTC ...
2
votes
1answer
223 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 loose my warranty. Obviously, that isn't possible. So my question is: Do Sony Ericsson's repair centres always ...
2
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 ...
2
votes
0answers
261 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 ...
1
vote
2answers
93 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
vote
2answers
4k views
Unlock Xperia Play R800i for use with CM9
Is there any way I can unlock the bootloader for my O2 Xperia Play so I can install Cyanogen Mod on it? Sony announced today that they will not be releasing ICS for the Xperia Play. Now I want to ...
1
vote
1answer
731 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 ...
1
vote
0answers
60 views
How to unlock the bootloader on Verizon Galaxy S3 without phone service
How can I unlock the bootloader without any phone service? Do I have to take out the Verizon SIM to do this? The phone is already rooted and has the super user app. A website said it's possible to use ...
1
vote
0answers
166 views
security implications of unlocking, rooting, cutom recovery, etc [closed]
Just curious. There are lots of posts on the web that talk about the fact that unlocking your bootloader wipes apps and data - presumably to prevent unauthorized access to that info. But in order to ...
1
vote
0answers
205 views
How do I unlock my bootloader with Omnius?
I want to unlock the bootloader of my Carrier Locked O2-UK Xperia Play. When I go into the service menu and check if my bootloader can be unlocked it says "allowed:no". After further research I found ...
0
votes
2answers
12k views
Can I flash CyanogenMod without unlocking bootloader?
With a locked bootloader on an SE ST17i running the rooted Stock Xperia Gingerbread 2.3.4, can I flash the CyanogenMod 9 onto it? Or do I really need my bootloader unlocked? I also have ClockWorkMod ...
0
votes
1answer
96 views
Atrix 4G update via OTA with unlocked bootloader?
I am running 4.5.91 currently on a rooted and unlocked Atrix.
Will I brick my phone by updating to 4.5.141 from OTA source?
Can I re-lock the boot-loader if that is the issue?
0
votes
0answers
52 views
SE BOOTLOADER v1.6 Problem (FAILED:phone is already unlocked)
I tried to unlock my bootloader with SE BOOTLOADER TOOL but get the message:
(bootloader) Unlock phone requested FAILED (remote: Phone is already
unlocked!) finished. total time: 0.002s
What ...
0
votes
0answers
68 views
Upgrading HBOOT on an HTC Hero
I am trying to unlock the bootloader of a friend's HTC Hero, and I'm following the official process on HTC's developer website. I got to the point where I give the command fastboot oem ...
0
votes
0answers
277 views
Error Code: 160: MID Not Allowed when trying to unlock via HTCdev
When trying to run su I get this:
C:\Htc One X> adb shell
shell@android:/ $ su
su /system/bin/sh: su: not found
127|shell@android:/ $
How do I get this to work? Build number 2.20.502.7 ...
0
votes
0answers
175 views
Why does a SGS3 not boot with custom roms but it does with stock roms?
I've relatively not that new on Android rom flashing. I've flashed my HTC Sensation & Galaxy Tab 2 but on this Samsung Galaxy S3 I'm really starting to get a headache.
So, this is what I've ...
0
votes
0answers
265 views
Can I unlock my htc one s again after OTA update?
I'm an android newbie. I unlocked my HTC One S(ville c2) and rooted it before. Then I relocked the bootloader and get the phone back to stock with RUU.
It is with Android 4.0.3 and 2.09 Hboot, not ...
0
votes
0answers
30 views
How do you undo a Bootloaded Android Device? [duplicate]
Possible Duplicate:
Android tablet won’t reboot after rebooting using volume and power buttons
I 'think' I have bootloaded my device after pressing the Power+Volume buttons simultaneously ...
0
votes
0answers
183 views
How can I backup all my data so I can root my device by unlocking the bootloader?
I have a motorola xoom WiFi, UK version, which has only just recieved the ICS update, I want to unlock the bootloader so I can root the device, install clockworkmod, flash US settings and get ...
0
votes
1answer
831 views
Error in unlocking bootloader in xperia ray with testpoint method
I was following guide to unlock my bootloader while preserving DRM data.
http://androidflip.com/unlock-xperia-phones-bootloader-without-losing-drm-data-track-id-working/
Everything went fine except ...
0
votes
0answers
1k views
SE x10 will no longer boot
I am wondering if anyone can help me with my situation. I was using JAF 2.3.7 Rom for about 3 months with no issues. After installing Prey as well as Dropbox (only 2 new apps) the phone started to ...
0
votes
0answers
39 views
open bootloader in xperia play [duplicate]
Possible Duplicate:
Xperia play bootloader locked?
a friend of mine is having a problem, and in order to solve it he has to boot his phone into bootloader mode. We can't find ANY ...
-1
votes
1answer
503 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.
