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Been getting strange messages while trying to unlock bootloader

I've been following the official Sony method to unlock the bootloader, you can see that procedure here. I have downloaded and installed the SDK Manager, then replaced the fastboot driver for Sony phones like they say, then I can also successfully put my phone into fastboot and my computer also recognizes it as "S1Boot Fastboot" but when I try to update the driver to point it to use the driver supplied to the SDK, I get this message when trying to install it (in the driver error.png). I'm not sure if it's trying to say that it won't work or something. So I proceeded to the command prompt stage (that's in cmd1.png) and entered fastboot. That worked. Then I entered fastboot devices and get a new empty line, whereas I'm supposed to get some text returned (see cmd2.png). Trying to enter the command to unlock bootloader after that doesn't seem to be doing anything (see cmd3.png).
So, anybody have any suggestions?

Update: It looks like the fault is becuase the Fastboot drivers aren't being accepted by W10... I've put the files on a USB and gonna try on the old ****ty computer... it's a dual boot so if neither W7SP1 nor W10 work I'll just resort to Linux Ubuntu. Why has it got to be so hard?

You need to disable driver signature verification in advanced setting in order to install drivers on Windows 8.1 so maybe it's same in w10.
Good Luck.
Xperia M2 D2303 on K.K. 4.4.4

Struggling to unlock XZ bootloader (Windows 10)

Hi guys
Im having a hard time unlocking the bootloader of my XZ
D:\Users\James\Desktop>fastboot devices
CB512C43QU fastboot
D:\Users\James\Desktop>fastboot -i 0x0fce oem unlock 0x74624F5F04DD1640
...
FAILED (remote: Command not allowed)
finished. total time: 0.015s
Anyone know the reason for this error?
Under the service menu its listed as the bootloader unlock is allowed

Have you ticked the option to unlock in settings developer options

gregbradley said:
Have you ticked the option to unlock in settings developer options
Click to expand...
Click to collapse
I didn't even know this was an option! I'm coming from an Xperia Z3 and that sort of security wasn't included.. so it must have been a thing with the more recent devices.
Thank you, I didnt know the solution was so simple (I feel so nooby) :silly:

No problem....

Can't get into FASTBOOT
I can't get my Xperia XZ into FASTBOOT! I've tried holding the volume down and power, holding the volume up and power. ADB can issue adb reboot bootloader, but it doesn't reboot. I've also tried the powered off with volume button and plugging into USB.
Windows 10 64bit. Android 7.0

zobisch said:
I can't get my Xperia XZ into FASTBOOT! I've tried holding the volume down and power, holding the volume up and power. ADB can issue adb reboot bootloader, but it doesn't reboot. I've also tried the powered off with volume button and plugging into USB.
Windows 10 64bit. Android 7.0
Click to expand...
Click to collapse
Do you get any response from fastboot devices. Did you replace the google usb driver in the guide, I had nightmare getting mine to get detected and issuing command

I've tried the Google and the Sony USB driver. I show S1boot with an exclamation mark beside it in Device Manager when it's in "fastboot"

zobisch said:
I've tried the Google and the Sony USB driver. I show S1boot with an exclamation mark beside it in Device Manager when it's in "fastboot"
Click to expand...
Click to collapse
I did a search for the USB driver and removed any instance of it so it did not auto install when the phone was plugged in. I diabled the driver signature on boot check so that I could deffo install the sony driver as it said had invalid checksum. Once installed I then was able to proceed with the unlock. Check your driverstore for any android drivers as these will be auto installed and I have to remove them also

zobisch said:
I've tried the Google and the Sony USB driver. I show S1boot with an exclamation mark beside it in Device Manager when it's in "fastboot"
Click to expand...
Click to collapse
you need to follow the instructions in the "Unlock the boot loader" page after receiving email from Sony Developer World Mobile. By following it you'll download an .inf file and replace an Android studio sdk file with it.

To get your device to show up in fastboot, hold volume down when you insert your USB in your device. Type fastboot device and you should get an answer whit a bunch of number.

#1 newb has troubble with first time custom rom

Hi Friends, is the title says I have a problem getting into the custom rom think on my old z3 6603 .291? 6.0.1 i think android...
now whats my problem?
I am despered already! spent almost 2 full days trying around without luck.
little off topic:
I did custom roms a few years ago and it worked pretty well with a step by step tutorial.
now i started to read around and try to update the Z3 to android 7Nougat or at least GoogleStylev1 because the standard/stock rom is sooo full with s**t i never really used and pure clean 5.1 from my mothers 60€ Chinamobile is fast and has all i need...
the z3 is much slower than it could i belive and the batterylife should be longer(new replaced battery >3000mAh, its almost like my new s7edge, wich i have to recharge every 3 days, the sony almost every night...)
back to topic:
i read so many different ways to do the update and everything is super complicated and at some point it doesn´t work out like in the tutorials. stupiiiid..
for example: hold power+vol down to enter recoverymode utility, i tried it so many times but my z3 is booting as usual. somone mentioned to let power button go as soon the led blinks or the vibration appers. sad: my screen is replaced and as i replaced it by myself i disconnected the vibration and glued the backplate on ... sh**
maybe someone can tell me how many secods to wait until let the power button go or other ways of erasing the system before i continue with linage install.
what i have:
win7 pc ( lack of updates and stuff but i already got the insane big android studio and somehow installed the usb driveds as it seems but thats all i still have missing drivers as i connect the phone trough flash-tool for example. xperia companion detects the phone most of the time..
so i went to my mac mini os x..
similar but little better: i can detect the device when i connect flashtool it says device connected in flash mode, good!?
i downloaded:
flashtool-driver
android tools
flashtool 0.92.1mac
lineage14.1 xkeita
twrp 3.1.1 xkierta
sr1 super su v2.82
D6603 23.5.A.0.291_kernel.zip
D6603 23.5.A.0.575_kernel.zip
root.rar
I guess i first have to get a little XDA developer university degree to update a sony mobile device hummmm???
sorry i am stressed out, please could somebody take a newb like me by hand and guide trough this piece of complicated labyrinth?
I want to give this phone to my gf for the next few years and i whink a clean slim and stable system would be much more pleasure in future than what i have now.
its a nice phone...
thanks

forgot to mention, usb debugging and developer mode are activated on the phone.. when i type in the *#7384whatever code it says: bootload activation: yes does it mean its ready to be activated or is it already active?
please its so many steps and tutorials i tried i am comletely confused

HI, glad to hear you're trying to install my rom
Since you're already on 6.0.1 all you need to do is unlock your bootloader before flashing the custom rom. To do so please refer to this page which will provide all the help you need for this step https://developer.sonymobile.com/unlockbootloader/unlock-yourboot-loader/ (before doing this, make a backup of your internal storage because it will be wiped after unlocking the bootloader)
After unlocking your bootloader, let's proceed to installing the recovery. To do this unpack the contents from the TWRP zip and copy recovery.img to the folder where you have fastboot.exe and run this command from Windows command line
Code:
fastboot flash FOTAKernel recovery.img
Now for our final step, boot into recovery by using the power on+volume down combo, connect your phone to the computer and copy the LineageOS zip to your internal storage. Before flashing the rom remember to wipe system/data/cache/dalvik. And you're all good to go.

thanks for replying xkeita,
i did this step until the point where i got a code for bootloader.
after this they tell me to go to connect my phone to the pc and to do what?
A. Install the Android SDK and the device drivers (what drivers? i have mac) i have android studio on my mac, but i have no clue how it works.
b. If you’re running OSX or Linux, you are not required to install any additional drivers. (check!)
2. On your device, turn on USB debugging by going to Settings > Developer options and click to enable USB debugging. (check!)
B. Connect to Fastboot
1. Turn off your Xperia™ Z3.
2. Connect a USB-cable to your computer.
3. On your Xperia™ Z3, press the Volume up button at the same time as you connect the other end of the USB-cable.
(check!) i did it...
4. When your device is connected, open a command window on your computer and go to the platform-tools folder within the Android SDK folder.
5. Enter the following command: fastboot devices
here i am struggeling... how to do this on mac? i have no directories and no idea how to proceed, please help me!

xdan00b#1 said:
thanks for replying xkeita,
i did this step until the point where i got a code for bootloader.
after this they tell me to go to connect my phone to the pc and to do what?
A. Install the Android SDK and the device drivers (what drivers? i have mac) i have android studio on my mac, but i have no clue how it works.
b. If you’re running OSX or Linux, you are not required to install any additional drivers. (check!)
2. On your device, turn on USB debugging by going to Settings > Developer options and click to enable USB debugging. (check!)
B. Connect to Fastboot
1. Turn off your Xperia™ Z3.
2. Connect a USB-cable to your computer.
3. On your Xperia™ Z3, press the Volume up button at the same time as you connect the other end of the USB-cable.
(check!) i did it...
4. When your device is connected, open a command window on your computer and go to the platform-tools folder within the Android SDK folder.
5. Enter the following command: fastboot devices
here i am struggeling... how to do this on mac? i have no directories and no idea how to proceed, please help me!
Click to expand...
Click to collapse
Extract this zip https://forum.xda-developers.com/attachment.php?attachmentid=1396782&d=1350078941 and open terminal in the directory where you have unpacked the zip, then you can run the command directly

Mac-mini:android "XXXXX"$ fastboot devices
-bash: fastboot: command not found
should any software run in the background like xperiacompanion or flash-tool? i managed to open the terminal in the android directory but no luck...
this z3 is a tough piece...

thanks again for your effort to help me out, maybe you or somebody else can help me trough this. I have the feeling that we can crack this device together, it cant be that compliceted, can it?

nobody has Ideas as what could be going wrong in my case?

i was thinking XdaDevelopers is a big international site, and z3 is a mainstream phone, why the heck is there nobody to guide me trough this
remember how it was when you did your first Rom experiances, difficult, many different new steps, after foing it couple of times its getting easier, like everything in life.
please somebody sacrifice a litte time on me and my priject, it wont be my last for sure but i need a little help in the beginning, xperia z3 seems to be much more complicated than my old (p880LG 4xhd or xpezia z from 2012)

xkeita said:
Extract this zip https://forum.xda-developers.com/attachment.php?attachmentid=1396782&d=1350078941 and open terminal in the directory where you have unpacked the zip, then you can run the command directly
Click to expand...
Click to collapse
do i have to extract on my mac, or onto the phone? i extracted into my desktop and it didnt work ether in desktop/android/
i am going to try out to extract onto the cellphones memory and to run fastboot line from there

should i record a video how i do all my steps and somebody can tell me what im doing wrong?
eeehh.. official sony webpage is so flapsy and unprecise when it comes to bootloader...

bump

did i say something wrong or..?

...

You should use windows instead of mac it's better for unlocking your bootloader then follow the sony unlock bootloader website exactly don't skip any steps

hello omar, and thanks for reply!
my problem is to unlock the bootlocker on this phone.. i cant get my phone bpptloader unlocked and i dont know why.. its the staps on this website that dont work. i will take time on weekend maybe and try again..

piece of crap phone , replaced screed and back and my girlfriend drops it once and everything is broken again many years ago sony was better. they should make walkmans again.. casette walkmans

How do I unlock bootloader on Alcatel A466BG?

Hi, I'm trying to unlock my phone so I can install Kali Linux on my A466BG. I've read a lot on the web but came to a problem. I've got Android SDK on my PC and installed platform-tools. My device shows up after entering "adb devices." I've enabled developer mode and usb debugging and OEM unlocking. My problem is...I can't unlock the bootloader and use fastboot. After pressing power and up volume I get into the menu (and I actually reset my phone to factory settings so I'll have more space) but I can't find bootloader. My phone shows up fine on my PC and under devices, but when I switch to the other menu (with reset options) it doesn't show up anymore. Not even under "adb devices." I tried entering "adb reboot-bootloader" but it just restarts and goes to the normal android phone screen. I tried "fastboot -i 0x1bbb oem device-info" and it says "waiting for device." I'm not sure how to boot into fastboot and unlock my bootloader. Or why my phone doesn't show up on my PC after pressing power and up volume. Please reply with instructions. Thank you

Hi, me again. I found a video on YouTube on how to install Kali Nethunter on Android phones. I got it and now I'm installing Metasploit. It's just the command line but that should work. Check You Tube on "Nethunter without root" if you want to know. Thanks

I'm back...Not satisfied with Nethunter on Termux. I would like to know how to root the phone and install Kali. Can anyone look at the above question and reply with how to root my Alcatel A466BG? I'll check back tomorrow. Thanks in advance!

sony ultra 3223 root?

Hi
Is their a root solution for Sony 3223

Hi, through the official Sony Xperia website, follow their instructions and get an unlock code to unlock your bootloader. Then follow instructions at twrp.me on how to boot TWRP in order to flash stuff. Magisk works.

I will make a comprehensive root guide.
Basically you need to check your device eligibility, and get the code when it's eligible.
Backup your data
Enable USB debugging and allow your host computer.
Make sure OEM Unlocking enabled
Install Sony Companion for drivers.
Download TWRP in development section
Turn the phone off.
Take memory card out and copy the latest Magisk
Press volume up when connecting to host computer, and the phone should show blue light
Check Device Manager. If you see unknown device, pick the driver and user Sony soXXXX (XXXX is the number)
Open command prompt and go to where ADB is.
Enter fastboot devices
If the model showed up, enter the command shown on Sony developer site along with code given
Let the phone boots like new and finish the initial setup.
Turn the phone off
Press volume up when connecting to host computer
Enter fastboot boot and press space once, and drag-and-drop the TWRP into the command prompt and press enter.
Install TWRP and reboot

Thanks for reply I through H3223 was not root able in Oreo?

mchlbenner said:
Thanks for reply I through H3223 was not root able in Oreo?
Click to expand...
Click to collapse
I just bought a new H3223 XA2 Ultra, and it updated all the way to the December 2018 security update. I just enabled developer options, enabled OEM unlock, and got an unlock code from Sony.
I then ran the service menu check on the phone, and it stated that the phone CAN be unlocked.
I haven't done it yet, but yes, you can unlock and root this phone.