ADB Devices Unauthorized - Zuk Z1 Q&A, Help & Troubleshooting

Hello , i've updated my lenovo zuk z1 to the new nightly , it went through to the recovery mode ( it happens every time i update it) but, usually i run TWRP and it is updated automatically then, but this time the usb debugging mode is off , and the screen is still flashing on recovery mode , is there any way to authorize the pc through adb ?????? please help , i would be grateful

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[Q] Lg G2 Brick Security Error Bootloop No recovery, No download, PC don't recognize

Hello everyone !
I have big troubles with my Lg g2 d802.
Yesterday i want to intall crdroid 5.0 on my Lg g2 on Official 4.4.2, so i've:
Root my phone
Install CWM Manager
Set CWM Recovery
Reboot in recovery
Use ADB Mode
Use ADB on my PC to send crDroid zip by sideload
During sideload, after full download, there was an error assert failed. So installation failed, and i've decided to reboot my phone.
Problem is here, my phone boot, display LG Logo and after 5 seconds, Lg Logo with "security error" message, then stop alone and reboot again, and again.
I have tried following procedures :
Power off completely my phone and then Volume down+PWR to enter in recovery : FAIL
Volume Up and then put USB cable to enter download mode : FAIL
Connect with USB on Ubuntu to try to reset .img files : FAIL (Phone invisible on my pc, even not recognize)
So i cannot go to Recovery Mode, Download Mode and my phone isn't recognize on PC.
I don't have any other ideas and i am here to asking help .
Thxs for reading, and i pray for a miracle !
Wallouf said:
Hello everyone !
I have big troubles with my Lg g2 d802.
Yesterday i want to intall crdroid 5.0 on my Lg g2 on Official 4.4.2, so i've:
Root my phone
Install CWM Manager
Set CWM Recovery
Reboot in recovery
Use ADB Mode
Use ADB on my PC to send crDroid zip by sideload
During sideload, after full download, there was an error assert failed. So installation failed, and i've decided to reboot my phone.
Problem is here, my phone boot, display LG Logo and after 5 seconds, Lg Logo with "security error" message, then stop alone and reboot again, and again.
I have tried following procedures :
Power off completely my phone and then Volume down+PWR to enter in recovery : FAIL
Volume Up and then put USB cable to enter download mode : FAIL
Connect with USB on Ubuntu to try to reset .img files : FAIL (Phone invisible on my pc, even not recognize)
So i cannot go to Recovery Mode, Download Mode and my phone isn't recognize on PC.
I don't have any other ideas and i am here to asking help .
Thxs for reading, and i pray for a miracle !
Click to expand...
Click to collapse
Even I have suffered with same problem
Follow this thread I think you must have seen this thread it is the best solution till date from recovering the problem you are in right now.
http://forum.xda-developers.com/lg-g2/general/lg-g2-unbrickable-fix-real-hard-brick-t2904404
But you have to mess up with your phone motherboard but its really very easy. Just follow it. I have recovered mine from this.
Ok i'll Try it ! Thx you !
I have tried your link and its working. My phone is alive ! Thx you .
I have a last problem. My phone has 2 black lines on the screen from top to bottom. This appear after i had flash new .img files. Does anyone have an idea about what i need to do to remove these ?
Thx you again

Huawei bricked

today i want to share my sad story with u guys , i got my phone huawe mla-al10 , i flash custom rom lineage os 13.1 from xda for huawei can-11 then it got bootloop , before this i succesfully install it without bootloop , so i decide to reset , then i go to the recovery , idk how my recovery become the stock one ,then i click format data , suddenly its stuck at 61% then keep reboot , i open fastboot then get frp locked , im start panic , then i do a research how to get rid frp locked , they said relock the bootloader , then i relock booatlader , haa its getting more worse , now icant even go to fastboot or update mood , its only goes to factory reset lowlevel.... then screen becomes black with blue led , i connect to pc , i found hs-usb diagnostic 9006 ( com 3 ) thats mean i can unbrick only with 1 way , with Snapdragoon flashtool , but i cant find nowhere for the firmware that make to unbrick using flashtool for my devices , hmmm im so sad right now , is there any way i can make my own flashtool file for snapdragon flashtool ? i hope i can fix this as soon as possible
If ADB is working,just flash your original (firmware) RECOVERY,BOOT and SYSTEM.img from the update.app zip file...after flashing those 3 img file,just reboot via adb...fastboot reboot
Phone should be like new
virusdunil said:
If ADB is working,just flash your original (firmware) RECOVERY,BOOT and SYSTEM.img from the update.app zip file...after flashing those 3 img file,just reboot via adb...fastboot reboot
Phone should be like new
Click to expand...
Click to collapse
to make adb working i need to enable usb debugging bla4 but my phone is totally dead , no fastboot nothing i can do except go to edl modee
shazlieyazizan1 said:
to make adb working i need to enable usb debugging bla4 but my phone is totally dead , no fastboot nothing i can do except go to edl modee
Click to expand...
Click to collapse
same problem adb is also not working did you find any solution?
I am having a problem i didnt do anything with my phone its huawei nova plus just 1 or 2 day ago open the boxed and try to update it using firmware finder app after downloading the full ota phone automatically restart and stuck on installing update 5% and its still on boot loop am not able to flash any firmware using sd card or update.app just because it always failed on 5 % even though am not able to wipe factory/reset it also failing. Can you guys please help me? to solve the problem?
abuapka said:
same problem adb is also not working did you find any solution?
I am having a problem i didnt do anything with my phone its huawei nova plus just 1 or 2 day ago open the boxed and try to update it using firmware finder app after downloading the full ota phone automatically restart and stuck on installing update 5% and its still on boot loop am not able to flash any firmware using sd card or update.app just because it always failed on 5 % even though am not able to wipe factory/reset it also failing. Can you guys please help me? to solve the problem?
Click to expand...
Click to collapse
try get correct model from huawei updater finder ..
if dload method not work then try to go to fastboot mode by tgis way >> Turn off your mobile and just click and hold on DOWN vol then connect it with usb it should work !

lenovo vibe p1ma40 dead //hope hard brick

hey guys , today my phone (lenovo vibe p1ma40 ) got bricked , but the charging indicator light (the red one) still works when it is connected to the charger or pc , also the pc recognize the device as mediaTek usb port . All i did was , just tried to flash twrp3.1.1 img through the twrp custom recovery itself ,
after that the device didnt boot,
is it possible to resolve the problem ?
plz help guys :cyclops: :cyclops:
c0D3cr4k3r said:
hey guys , today my phone (lenovo vibe p1ma40 ) got bricked , but the charging indicator light (the red one) still works when it is connected to the charger or pc , also the pc recognize the device as mediaTek usb port . All i did was , just tried to flash twrp3.1.1 img through the twrp custom recovery itself ,
after that the device didnt boot,
is it possible to resolve the problem ?
plz help guys :cyclops: :cyclops:
Click to expand...
Click to collapse
Just re-flash your phone's stock ROM using SP Flash Tool and flash the latest TWRP using ADB.
Guide to install stock ROM: http://www.gsmhelpful.com/2017/06/how-to-flash-lenovo-vibe-p1ma40-with-sp-flash-tool.html
Download and install ADB: http://www.teamandroid.com/2017/04/25/download-minimal-adb-fastboot/
And thas all, just flash your TWRP image using ADB
im having same issue but pc isnt detecting the device anymore. only charging led is showing
I have hard bricked my Lenovo p1ma40 ,only charging indicator is on and pc is not able to detect the usb device ,how to solve this issue .
c0D3cr4k3r said:
hey guys , today my phone (lenovo vibe p1ma40 ) got bricked , but the charging indicator light (the red one) still works when it is connected to the charger or pc , also the pc recognize the device as mediaTek usb port . All i did was , just tried to flash twrp3.1.1 img through the twrp custom recovery itself ,
after that the device didnt boot,
is it possible to resolve the problem ?
plz help guys :cyclops: :cyclops:
Click to expand...
Click to collapse
It happens because you may have flashed a corrupted twrp or other kernel twrp..
Just Flash stock rom with Sp flash tool..It'll be back..
(or) flash recovery.img & boot.img from the given link..
https://drive.google.com/open?id=1RbdBJFL0Czk5I6MgZW2-Yi827otYetml
Follow my video tutorial: https://youtu.be/-nzWrcZPRdU
If you don't have pc then,,
press volume up & power button then clear eMMc or factory reset.
remember it'll be in chinese language..
If it won't reboot then you have flash stock rom...

Asus zenfone selfie ZD551KL Bricked, bootloop asdf/recovery/last_log

Asus Zenfone Selfie ZD551KL
Hello, i have a big issue with my Asus zenfone selfie. It worked properly and a week ago just restart and cannot boot again, it is bricked in bootloop.
When i go to recovery it gives me asdf/recovery/last_log (bad descriptor) error, when i clear cache, wipe data/factory reset. It clear`s it and wipe the data but when i try to power its bootlooped again, somethimes start with the screen like brand new, enter Language, Keyboard and than when give me the step to add wi-fi network immediately freeze and restart after 2-3 second and again going to bootloop.
I cannot use my phone again can samoone help me ?
(My phone first is buyed CN model and i personally change it to WW firmware and update to latest WW without problem, worked almost 2 years)
Steps i try myself :
1. connect to adb via PC, when i try adb sideload ....exe it gives me asdf/recovery/last_log (bad descriptor)
2. Put the firmware to the SDcard, and apply update from SDcard from recovery, succesfully update but bootloop remains (reocvery confirmed that the firmware is updated to WW_21.40.0.2210 )
3. Try to connect to fastboot, i have adb installed, android usb drivers on windows (adb devices in apply update from adb worked and see the phone attacked) but in fastboot adb devices does not find the device. So i can`t go furthure (i find some kind of solution but it guides me true fastboot and i stuck in not getting my phone recognized)
Kamen911 said:
Asus Zenfone Selfie ZD551KL
Hello, i have a big issue with my Asus zenfone selfie. It worked properly and a week ago just restart and cannot boot again, it is bricked in bootloop.
When i go to recovery it gives me asdf/recovery/last_log (bad descriptor) error, when i clear cache, wipe data/factory reset. It clear`s it and wipe the data but when i try to power its bootlooped again, somethimes start with the screen like brand new, enter Language, Keyboard and than when give me the step to add wi-fi network immediately freeze and restart after 2-3 second and again going to bootloop.
I cannot use my phone again can samoone help me ?
(My phone first is buyed CN model and i personally change it to WW firmware and update to latest WW without problem, worked almost 2 years)
Steps i try myself :
1. connect to adb via PC, when i try adb sideload ....exe it gives me asdf/recovery/last_log (bad descriptor)
2. Put the firmware to the SDcard, and apply update from SDcard from recovery, succesfully update but bootloop remains (reocvery confirmed that the firmware is updated to WW_21.40.0.2210 )
3. Try to connect to fastboot, i have adb installed, android usb drivers on windows (adb devices in apply update from adb worked and see the phone attacked) but in fastboot adb devices does not find the device. So i can`t go furthure (i find some kind of solution but it guides me true fastboot and i stuck in not getting my phone recognized)
Click to expand...
Click to collapse
same problem. stuck on bootloop on stock recovery
https://www.youtube.com/watch?v=cDRsEsI0qBY
Have you guys tried this method, yet?

Jiayu S3 bootloop problem

Hi i have a Jiayu S3 which for the second time breaks up firstly from my official rom crashed unknown why and my brother managed to relive it installing twrp recovery and xtreme rom. Now againb crashed and enter in a bootloop while surfing on the net. I have to mention that i have [email protected] up my devive some time ago and cannot connencted via usb (pc or usb stick) things that used to do very often. Know i manage to get ito recovery install miui 9 rom(from need rom) but reboot continiously....get back to xtreme (from need rom again) and reboot continously...tried miui 7 rom boot loop again. So i stuck to boot loop!!! i can not use SP flash tools because my PC refuses to intall the correct MTK, MEDIATEK MT66XX or any VCOM ,usb etc drivers (( . It only sees my device as a composite device. I can't use fastboot as long as i don't know how to do it and how i can connect my device to pc . Please help is there any way i can get out of bootloop via sd card from recovery mode?? I am exhausted reading and searching and watching tutorials....Thanks in advance.
PS i manage only 2 times to enter in a chinese mode(black screen) but i don't know how to proceed in that and what does this mode do.
Still no one to help??
Hi again,
No one is willing to help me with my issue ok . I ll ask something else. My pc recognizes my jiayu as composite device , my samsung gt-s6102 2.3.6 android as cdc device and only my huawei lua-01 as android phone lua-01. Could you please help me how to overcome this and procced to frash my jiayu because it didn't seem to get over bootloop while i was trying to install rom via twrp 3.0.2 when i try. Or if you know if there is a file i should delete in file manager so i can proceed over bootloop... thanks in advance.
giolandis said:
Hi again,
No one is willing to help me with my issue ok . I ll ask something else. My pc recognizes my jiayu as composite device , my samsung gt-s6102 2.3.6 android as cdc device and only my huawei lua-01 as android phone lua-01. Could you please help me how to overcome this and procced to frash my jiayu because it didn't seem to get over bootloop while i was trying to install rom via twrp 3.0.2 when i try. Or if you know if there is a file i should delete in file manager so i can proceed over bootloop... thanks in advance.
Click to expand...
Click to collapse
Hi,
can you flash a ROM using SP-Flash Tools? With SPF you don't need the mobile to be switched on. Of course drivers for MTK must be installed properly before doing this. Maybe clearing cache and Dalvik could help as well.

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