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

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145 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
37 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
335 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
103 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 ...
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0answers
339 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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0answers
382 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
335 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
273 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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170 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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46 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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5k 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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39 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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535 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 ...