Cannot use ADB. - Huawei P20 Lite Questions & Answers

Hello !
I wanna use ADB to get rid of the bloatware but I keep getting "adb server version (39) doesn't match this client (41); killing..." when I try to do anything.
I am able to see my device listed when using "adb devices" though..
PS : If you know any way to unlock bootloader btw, please PM me.

upgrade version of adb file
if you want unlock bootloader, try dc unlocker

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[Q] Cannot unlock the bootloader: what am I missing?

I succeeded in doing the following:
1) downgrade my tablet to a rootable fw version
2) rooted with doomlord tool
Now I need to unlock my bootloader: I had requested the key a while ago, but never got around to using it.
I followed all the instructions and succeeded in connecting the tablet in fastboot mode to my pc (drivers installed fine and I receive a reply when issuing the trial command getvar version, meaning, I presume that the device is connected and able to receive commands and reply to them).
However when I issue the command in the instructions on http://unlockbootloader.sonymobile.com/instructions and replace the final "KEY" with the key provided by Sony via email I receive a reply "FAILED (remote: Command did not succeed)": what could I be doing wrong? I also copied and pasted the command in order to make sure that the syntax was correct and checked the code I input many times to make sure I did not miss or messed up something, but it all seems OK. I issued the command from within the same directory where the getvar command was issued, i.e. within Android SDk/Tools folder (the procedure on the website doesn't suggest to change folder, so I didn't!) , but no success at all!
Can anyone suggest some way out?
Thanks
Luca
astrovale said:
I succeeded in doing the following:
1) downgrade my tablet to a rootable fw version
2) rooted with doomlord tool
Now I need to unlock my bootloader: I had requested the key a while ago, but never got around to using it.
I followed all the instructions and succeeded in connecting the tablet in fastboot mode to my pc (drivers installed fine and I receive a reply when issuing the trial command getvar version, meaning, I presume that the device is connected and able to receive commands and reply to them).
However when I issue the command in the instructions on http://unlockbootloader.sonymobile.com/instructions and replace the final "KEY" with the key provided by Sony via email I receive a reply "FAILED (remote: Command did not succeed)": what could I be doing wrong? I also copied and pasted the command in order to make sure that the syntax was correct and checked the code I input many times to make sure I did not miss or messed up something, but it all seems OK. I issued the command from within the same directory where the getvar command was issued, i.e. within Android SDk/Tools folder (the procedure on the website doesn't suggest to change folder, so I didn't!) , but no success at all!
Can anyone suggest some way out?
Thanks
Luca
Click to expand...
Click to collapse
Sorry if this is a dumb question, but is bootloader unlocking allowed on your tablet ?
Some service providers have blocked bootloader unlocking.
GretaLewd said:
Sorry if this is a dumb question, but is bootloader unlocking allowed on your tablet ?
Some service providers have blocked bootloader unlocking.
Click to expand...
Click to collapse
I followed the procedure on the Sony website to check that and the answer is yes, it can be unlocked.
I tried some other tutorials and no results. It seems that it might be connected to the doomlord exploit (which I used to gain root access), but all the instructions on how to get around that have failed to allow me the unlocking!!!!
astrovale said:
I followed the procedure on the Sony website to check that and the answer is yes, it can be unlocked.
I tried some other tutorials and no results. It seems that it might be connected to the doomlord exploit (which I used to gain root access), but all the instructions on how to get around that have failed to allow me the unlocking!!!![/QUOTE
SOLVED
Click to expand...
Click to collapse

Need help to unlock my bootloader

Okay so I have the SDK, JRE and all other tool available. Fastboot and adb commands work when the device is on and unlocked, but when I tell it to reboot to the bootloader, Windows 10 claims that it cannot identify the device and as such the "fastboot oem get_identifier_token" command from HTCDev (EMEA Version) does not do anything except hang at "waiting for device to respond"
I suspect it's a driver fault however the 3.xx versions of the driver are not compatible with Windows 10 and the 4.xx versions simply do nothing when I try to run the exe.
Does anyone have any ideas? The device is new, stock and carrier unlocked (Thanks eBay!) and I'm going to the states soon and I'd like to use it instead of risking my Nexus 6 in Yosemite as I only need basic phone calls and such. But the stock OS is a bit yuck and I plan to use this ROM: http://forum.xda-developers.com/showthread.php?t=2526391
Any help appreciated!

Please help me safely root my lg g4

I am trying to root my lg g4, I began the steps of unlocking the bootloader, downloaded the adb.exe etc, however when I type adb reboot bootloader into the command prompt whilst attempting to fetch my device id, it says device not found.. id be really greatful if somebody could walk me through this process. (thanks in advance)

Bootloader and root for Vivo?

I have a vivo 21l phone with android version 5.1.1 and i tried lot of ways to unlock bootloader and root but non of these methods working.when i try to unlock bootloader with adb command i get a message unknown command or device is lock.if anyone can give me some advice to how to make this happen i will be truly grateful,thanks.
bump

AllCall Madrid

Hello guys, recently I bought Chinese AllCall Madrid phone. I was searching for twrp port for that phone and I have found it on {MOD EDIT: reference to warez site} forum, only twrp for this phone on internet. I tried to flash it using flash tool it failed(flashing stock rom fails too), then I rebooted to fastboot to OEM unlock and no OEM unlock is available, output is remote failed unknown command, ofc I enabled OEM unlock developer options.. I managed to use mtk-su exploit to gain root, and I can run adb and apps with root permission. My real question is has anyone unlocked this phone? If yes pm me please :laugh:
@Mr nobody 1312
Assuming you want to unlock the bootloader.
IMO before trying to unlock a device's bootloader it's always a good idea to check by means of ADB whether unlocking the bootloader is natively supported on device:
Code:
adb shell "getprop ro.oem_unlock_supported"
If returned value is 1, then it's supported otherwise it's not.
If it's supported then you run
Code:
fastboot flashing unlock
to unlock the bootloader.
Yeah output is 1 but no OEM command is found in lk.bin I decompiled it, they locked it to push their malware I have found addups fota malware and virus in helper apk, anyway is it possible to crack bootloader with custom lk.bin, where I should look for exoloitable bugs? Is there any freaking way to crack it?

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