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

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1answer
165 views

Incompatible / error connecting as MTP device after unlocking and rooting Nexus 4

I unlocked and rooted my Nexus 4 it shows as connected it shows in my computer But when copying a file, it gives me an error stating "device is unavailable or may have been removed" What should I ...
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1answer
170 views

Enable bootloader screen for Lenovo Vibe Z

I pressed and held volume up key for sometime and my Lenovo Vibe Z is seems to be bricked (not charging or switching on). I would like to get into to the boot-loader screen to factory reset the ...
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1answer
364 views

Tethering with locked boot loader

A recent OTA update to KitKat removed the ability to tether my phone. I feel very frustrated by this bait and switch since I bought the phone for its ability to tether. The workaround is apparently to ...
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1answer
55 views

unlocking bootloader moto g xt1033

I'm trying to root my MOTO G XT1033 DUAL SIM but in the videos I've seen till date it says that you need unlock the boot loader .I saw solution videos to unlock boot loader but all of them says that ...
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votes
1answer
176 views

How does the HTC-Dev bootloader unlock process work?

I've been trying to root a phone. For my purposes, at least for the moment, I think the HTC-Dev way is enough - that it will give me a way to root and that I don't need S-OFF. I have looked at the ...
2
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0answers
346 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
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0answers
426 views

How do I root a Samsung Galaxy S4 SGH-I337?

I have a Samsung Galaxy S4 SGH-I337 with a I337UCUAMF3 baseband. How do I either root it and unlock the bootloader or install a mod? Alternately, can I change it back to a previous baseband and unlock ...
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0answers
346 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 ...
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0answers
292 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 ...
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0answers
30 views

Android hangs on boot image after changing boot image

I changed the bootimage of an Android device and it bricked. It's freezing at the boot image. I try to install a ROM using fastboot but I have a permission error. I try to connect with adb but I ...
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0answers
426 views

Xperia Z1 Bootloader Unlock Problem

I have been having problems trying to unlock the boot loader on my Z1. I followed the instructions provided by Sony to unlock. I had previously unlocked and relocked the device. However, now when ...
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0answers
73 views

Wh don't I get Unlock BOOTLOADER window while rooting my HTC One v

I have been trying to root my HTC One V. I did the following: fastboot oem get_identifier_token Copied the identifier token, and pasted it on My Device Identifier Token on HTCDev.com. I downloaded ...
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6k views

**FAILED (remote: 12 signature verify fail)** HTC One M7

C:\xxx>fastboot flash recovery c:\recovery.img sending 'recovery' (10336 KB)... OKAY [ 1.988s] writing 'recovery'... (bootloader) signature checking... **FAILED (remote: 12 signature verify ...
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0answers
43 views

Problems Unlocking Bootloader Of Atrix 4G

I wanted to try out CM7 and was following the instructions on this page: http://wiki.cyanogenmod.org/w/Install_CM_for_olympus . The bootloader unlocking process failed according to RSDLite and now I ...
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0answers
582 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 ...
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2k 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 ...