General :: Bootloader Unlock Doesn't Register In Nexus S
Aug 18, 2013
So, my issue is that I simply cannot unlock the bootloader of my Nexus S (i9020T). The phone's connecting to my computer via Samsung Android ADB Interface as seen under the Device Manager. I see the proper device ID when I type "fastboot devices" into the adb command prompt. Then, when I type "fastboot oem unlock" the phone starts the unlock verification process -- I select yes, the phone restarts, but it goes back to the stuck Google screen. Then, if I pull the battery and go into fastboot mode directly, bootloader's still locked. I've tried this quite a few times and same result -- same result trying to unlock w/ toolkits like WugFresh's NRT.
I've also tried to solve it w/ all versions of Odin. None of them detect my phone even after installing Kies w/ drivers. I think I have the required drivers though since I can command the phone fine through adb. And Odin should need bootloader unlocked to work anyway so it won't work if bootloader cannot unlock.... I've even tried a few other things like pushing recovery and bootloader images onto the phone via adb, but these also failed due to the locked bootloader. All options seem to require an unlocked bootloader.
I also cannot enable USB debugging under phone settings either b/c I now can't get past the Google logo/fastboot mode menu. I don't think this is required to unlock bootloader through adb though.
Background: Phone had the latest auto updated version of Android when the phone all of a sudden turned off in the middle of the night recently. Weird b/c the battery was basically full. It now always gets stuck on the Google logo upon normal restart. It goes into fastboot mode OK if I remove the battery and press power/vol. buttons -- I then first tried the restore and recovery functions there, etc, but no effect.
To add, one of the first things I tried was to do a manual factory data reset in the recovery menu (selecting 'yes' to erase all data).
And I tried adb sideload of the OTA .zip file. But installation was aborted. The following appeared immediately under the regular adb sideload instruction in the system recovery menu (under "Now send the package you want to apply to the device..."):
Finding update package...
Opening update package...
Verifying update package...
Installing update...
file_getprop: failed to stat "/system/build.prop": No such file or directory
Installation aborted.
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Oct 10, 2013
i have htc wilfire s and i want to root it,but my hboot version is very old ,it is 0.90 and i do not find any correct method to update it.
if i follow htcdev methods it shows bootloader error.. as shown in the screenshot.
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Apr 7, 2012
if i want to downgrade my FW from .62 i must unlock bootloader? there is no way to root .62 fw, right?
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Aug 20, 2013
I've been following the instructions on the HTCdev website for unlocking the bootloader on my HTC sensation XE. Ive made it to the last step and acquired the unlock code from HTC. I then copied that to my computer and followed the last step "fastboot flash unlocktoken Unlock_code.bin" but I get an error message in the CMD promt "remote: unlock token check failed"
I have made sure that the .bin file is in the correct directory (c:Android).I have USB debugging enabled and fastboot disabled.
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Jun 14, 2012
i recently broke my last phone, so i had it replaced and this one is running 2.3.6, i tried using that black white screen (cmd?) with the options ex:
1. unlock root etc.
2. CWM install/root etc etc. x. debugging etc
but no luck. When i reach the rsd lite portion of the first section, my phone just boots up into the os and rsd lite gets cancelled. ( i chose 2.3.4)when i first got it, i could do everything fine, but i couldn't boot after installing 3 different roms. but when i install clean software it works just as it should
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Sep 16, 2012
I successfully unlocked the bootloader on my xperia x8 via flashtool put on custom kernel nAa 14 and miniCM7 Yay.Everything is fine apart that I want to change network because they have much better deals etc.I went to the 3 network shop and tried to put in the Sim, it took it in loaded but wouldnt register with the network , in fact I tried last week when I was on stock kernel and gingerxperia and it asked for ''unlock code'', today it didn't ask for unlock code took it in but wont register.I guess there must be some sim lock or something.
Maybe it is unlocked but something to do with Radio pehaps nonetheless my current Network works fine.here's my S1 LOG if any good. after unlocking BL of course
Welcome to S1 identify tool
16/09/2012 17:16:15
16/09/2012 17:16:15 TO CONNECT NEXT PHONES
[code]....
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Feb 16, 2014
I did all of the steps that i read and watched on youtube for the all in one toolkit by Hasoon2000... At the bootloader screen it says
*** Tampered ***
*** Unlocked ***
it will not let me do a flash recover, which I was going to use TWRP (Sprint Only)
i have searched for the answer but im very new at this.
HTC ONE (SPRINT)
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Jul 19, 2013
how to do unlock the bootloader Sanei N77 Tablet PC (Andoid 4.0.3)? Is there a universal unlock software?
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Dec 22, 2012
I recently tried to unlock the bootloader for my XPERIA ION and I think I managed to do it. It rebooted in a "new" state so everything I had was gone. Not sure if that's what's supposed to happen?
Well, then I tried to root with the "bin4ryv18" runme.bat. It goes fine until it keeps on running ,so something went wrong... Also when using another program, it says it "failed on data/local/tmp permission denied". I don't know how I should continue from here? I'm quite a noob when it comes to this. Do I flash something first ?
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Jun 16, 2013
My original concern is too get rid of the android software originally put on my htc wildfire by my phone operator. Important precision: I have a mac computer.
For this i figured out i had to unroot the phone or unlock the bootloader (am I right? My overall android level is not good).
So I tried unrevoked, which said that my "hardware is too new". Then I tried to unlock my bootloader following the instructions on htcdev (and other similar forum topics) but I got an error message "Command error" when I type "fastboot oem unlock" or "fastboot oem get_identifier_token", and nothing happens.
I then noticed that htc says I might have to update my hboot (I currently have 1.02.0002), but how.
I tried any other stuff found on forums such as factory reset (*sigh*), changing usb cable, changing usb port, trying from another computer (still a mac), etc...
I saw threads such as "use a gold card", but it seems complicated and I don't have a pc anyway.
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Dec 27, 2013
how to unlock boot loader, root and s-off my HTC one mini. I bought the phone in november so im assuming that i updated to 4.3 or it was already installed (relevant later). I htcdev unlocked my boot loader, installed twrp and made a backup, installed superuser and rooted my phone. Then I installed titanium backup pro, made a backup and uninstalled all the system apps/bloatware I didn't need. All was peachy but the apps kept reappearing which I found was down to s-on (despite what I read about htcdev unlock boot loader method making my phone s-off) . So I tried the revone method and got error 1 which apparently is down to having android 4.3 so I looked for an earlier ROM and flashed Magio r1 which worked fine but couldn't find the data/local/temp folder to install revone into. Probably could of put it somewhere else but I wasn't that confident with the s-off process. So I finally found Jmz m4 stock ROM so there was light at end of tunnel. So I read up on twrp factory reset/format data functions and saw people were using both methods. I went with the full format and factory reset afterwards. Looking back now that was pretty stupid as I have no ROM and no backups to restore to. I did manage to chmod 777 the permissions on my twrp backups and copy the to dropbox (after endless scouring of forums). I also know how to flash boot images and use the adb side load functions. I can't adb push the file as it returns with error closed, I've tried the following commands:
adb device - my device is attached and side loading.
adb usb - returns error closed
adb kill-server
adb start server - server starts successfully then returns error closed.
adp push rom.zip /data/media/0 - returns error closed
And just to be sure I tried with /data/media/, same error..I've fastboot flashed the jmzM4 ROM image and kernel but no joy as I'm guessing the boot image isn't enough and you need the zip. Currently I can load into boot loader and recovery no problem, just freezes on HTC load screen in normal boot up.
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Feb 7, 2014
how unlock bootloader on a tablet when it is not booting up. restarting again & again after displaying android logo?
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Jun 2, 2012
What is the easiest way to unlock the htc bootloader:thumbup:
HTC Explorer A310e
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Mar 14, 2013
how to Unlock bootloader and root Acer iconia B1-A71
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Nov 24, 2013
I hate My stupid Alcatel One Touch S'pop 403A! I want to unlock the bootloader.. i root my phone and i can't go any further! can't install custom roms nor update firmwall from 4.1.1 to latest jelly bean because of installation abort on android recovery System!! everybody have nexus and those type. but i believe i can get a custom rom once i know what to do!
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Mar 11, 2013
i have rooted my xperia u with Root_with_Restore_by_Bin4ry_v using this " [URL] thread. now i want to unlock my bootloader.
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Oct 2, 2013
I have a Xperia Neo V with Official update to Android 4.0.4. I want to unlock bootloader to install custom ROMs. Can I proced as says on SONY or is need something special?
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Sep 15, 2013
I tried to unlock my HTC Acquire or HTC Kingdom bootloader by following HTCDEV instructions but I always get tot the part where it says "writing unlock key" or something along those lines, the phone freezes on this part and I have to wait until the battery dies or remove the battery. Why this is happening?
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Sep 23, 2013
Is it possible to unlock the bootloader on an Acer Iconia a200, if the tablet will not boot into Android?
While in fastboot mode, I enter FASTBOOT OEM UNLOCK, then I use the volume button to select the unlock icon and it tells me this:
SetUnlockedMode: Error occured while unlock the device ...
Fastboot: Failed to set unlock mode
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Nov 10, 2012
i want to use titanium backup but i need root i tryed the root without unlock but dont work for me and i want backup cause i have games like fifa 2012 which are like 2gb that i wanna back up the whole 2gb file
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Jan 29, 2012
I used the one click method for my Nexus s 4G... does that method unlock the bootloader also or is there a separate step?
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Jan 29, 2014
how to unlock the bootloader for the Alcatel One Touch 4033A also called the one touch pop c3.
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Aug 2, 2012
When you 'fastboot oem unlock', does it perform a secure delete (completely unrecoverable) of all files? Or are the files still kept until overwritten, like with normal delete?
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Jun 30, 2012
How to check if the padfone have a lock/unlock bootloader? and if its lock, how to unlock it?
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Feb 15, 2012
[Q] IS IT NECESSARY TO UNLOCK BOOTLOADER BEFORE FLASHING KERNEL FOR SONY XPERIA... and also need a latest flashtool tutorial link..
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Apr 23, 2014
I have LK bootloader source code which I need to build and flash to a Nexus 5 device.
* I got the source code from the Code Aurora website
* I made a guess which branch is the stable branch I need, because I found no mention of it anywhere (I took "kk_2.7-stable", where kk means kitkat)
* On a Debian 7 stable machine, I installed a GCC cross compiler from Deb packages built using Emdebian tools
* I made a guess which target to compile, because the exact chip name didn't have its own: I use msm8960
* I created some symlinks to the cross-building tools because the makefile and the debian cross-building tool names are different
* I ran 'make msm8960' and the build was successful (I also tried earlier with NDK prebuilt GCC but it failed)
* I got a bunch of files with no idea what to do with them
* I attached the device to the computer and re-flashed the stock bootloader to make sure it works
* I checked the fastboot screen: Bootloader unlocked, secure boot is on
* I tried flashing the 'lk' binary file I got from the build process, but fastboot says:
sending 'bootloader' (1702 KB)...
OKAY [ 0.239s]
writing 'bootloader'...
FAILED (remote: invalid bootloader image
)
The size of the file is much smaller than the size of the stock bootloader, but I don't know if it matters or what exactly I need to flash. I did a lot of web search, including here on XDA, but found no evidence of struggling with flashing the bootloader.
How do I flash the bootloader after I build it?
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Jan 23, 2014
I have a phone called Y9190 that suddenly turned off and will not turn back on. I tried to flash it with flashtool, but the program sends me this error:
"Boot Loader does not exist on NAND / eMMC flash! Please download bootloader first."
At this point, I do not know how to go forward. The flashtool drivers are installed correctly and the rom is the right one.
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Aug 1, 2013
My phone is stuck in boot-loader screen and not even showing me Google logo on selecting Start from boot-loader screen, when connect charger then also it shows me boot-loader screen
Steps which i followed to install 4.3 manually is:
1. fastboot erase boot
2. fastboot erase cache
3. fastboot erase recovery
4. fastboot erase system
5. fastboot erase userdata
6. fastboot flash bootloader <bootloader_filename_.img>
7. fastboot reboot bootloader
8. fastboot flash radio <radio_filename_.img>
9. fastboot reboot bootloader
10. fastboot -w update <Rom_filename_.img>
Step 1-9 executed successfully but at step 10 while writing system.img installation got stuck and i waited for 40 mins but nothing happened
Repeated above step 3 times. Need to recovery my nexus 4 to its normal state
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Jun 30, 2012
Yesterday I got a sort-of-refurbished Nexus S (I9023) which was apparently not in such a good shape...Had problems flashing the system and userdata partitions (kept saying they were flashed fine but after reboot went back to their previous state).
I followed some tip without actually reading up on it and ended up formatting my bootloader partition.
Now, what I get is just a black screen no response or anything but using a tool called UnBrickable Mod I can get it back to fastboot mode and then boot into a recovery image and have adb access.
All in all, I am currently stuck cuz I want to flash a new bootloader image but what i get when i do that is:
Code:
~ # nandwrite /dev/mtd/mtd0 /bootloader.img
Skipping bad block at 0x00000000
Skipping bad block at 0x00040000
Skipping bad block at 0x00080000
Skipping bad block at 0x000c0000
Writing at 0x00100000
Writing at 0x00140000
Writing at 0x00180000
Writing at 0x001c0000
nandwrite: not enough space in MTD device
I have read that NAND blocks tend to go bad when continuously being flashed, but 50% bad blocks on the bootloader partition? Seems pretty unlucky... Is it possible to resize the partitions without any JTAGing or writing custom bootloaders?
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Apr 28, 2010
I was curious about this myself, and i have seen numerous post about this on the forums complaining about having to unlock with the top button
I searched about nexus since it is similar and saw a few things about the app LOCKBOT, i recommend you atleast try the free version and see, it gives you unlock with the trackpad button and the ability to do custom lockscreen with different styles like Iphone, and different android locks. THis was one grip i didnt like about sense. Stock Android has the ability to swipe to unlock or swipe the other way to mute sounds, which is a nice feature, although i prefer my iphones switch the best
The bad...Ive read stuff about it crashing and being laggy, now i havnt experiended this on the INC, it runs super smooth. But i have been having a few times where the front button will not unlock the phone, maybe an update will fix this or something, but its worth a shot to look at.
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