I own a Yu Yureka. I wanted to root my device so I used the fastboot command "fastboot -I 0x1ebf oem unlock" to unlock the bootloader of my device. My computer showed success in CMD but now my phone doesn't boot normally or in recovery mode. It still boots into fastboot. When I press the power button, the YU and android logo flash for a few seconds and then the screen goes black and nothing happens. What can I do to solve this issue? My email is "[email protected]"
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i have updated to cm12 recently. after the update my phone lost its root and my recovery was lost. when i tried to open recovery black screen was appearing. .today i have unlock the bootloader and flash the twrprecovery i tried to boot into recovery without disconnecting from pc .now my device was showing yu logo and rebooting itself indefinitely until battery drains down and i cant even open into fastboot mode .these are the exact command in order i have used
fastboot -i 0x1ebf devices
fastboot -i 0x1ebf oem unlock
fastboot -i 0x1ebf boot recovery_yutwrp64.img
fastboot -i 0x1ebf flash recovery recovery_yutwrp64.img
i dont know what to do now .please help me...
when i tried to turn on my phone it shows YU logo and then automatically turned off..........when connect my phone to pc via data cable to pc or charger it automatically goes to fastboot mode.......I tried to flash stock firmware via fastboot mode but it says your device is locked .......when i tried to unlock the boot loader(with this command: fastboot -i 0x1ebf oem unlock) it says error: Unable to format the system.so I tried to boot into custom recovery via fastboot mode (fastboot -i 0x1ebf boot recovery.img) it shows file is not signed then i tried to boot into lollipop stock recovery....It booted successfully ...then i flashed tomato signed stock lollipop rom from stock recovery...it shows the flashing progress but appears yu logo then automatically turned off........now what should i do.......? plzzz help.
what i messed up?
i have installed custom official cynogen14.1 rom and twrp recovery. everything was working fine.
but i messed up with bootloader. I have locked oem from fastboot mode without enabling option for oem unlocking in developer settings.
Now as my phone have custom rom and twrp installed it went into bootloop and only shows zuk logo and again restart.
What i diid till now?
i have opened backcover so that i can turn of bootloop and phone by disconecting battery.
I can enter into fastboot mode by pressing vol.+ and vol- buttons sumultaneously and connecting usb cable.
But i cannot unlock bootloader as it says unlocking bootloader not allowed. I have tried device specific commads like "fastboot -i 0x2b4c oem unlock" and "fastboot -i 0x2b4c oem unlock-go" but nothing works.
i have stock recovery image but cannot flash while bootloader is locked.
i can enter into adb sideload by following method:
by loading stock recovery by typing "fastboot boot recovery.img" (this does not work with twrp as it says signature varification failed)
and then selecting apply update >> selecting apply fron adb
this much i can do does anyone knows how to recover from such a state.
please help me or my phone will be a waste.
is there any way to install stock recovery i think phone will boot properly if i managed to install stock recovery.
hello, I have been trying to unlock the bootloader of my lenovo k6 power with no luck. I have followed the steps in https://forum.xda-developers.com/k6-power/how-to/guide-karate-t3663070 but the device is booting to fastboot mode and in minimal adb when "fastboot devices" is typed it shows the device.But when i type this command "fastboot -i 0x17ef oem unlock-go", its shows waiting for device.
Also i have installed the lenovo drivers from the phone itself and tried other lenovo usb driver version with no luck. How can i solve this,Please help.
I am trying to boot twrp from fastboot mode but code (fastboot boot twrp.img)
is not working,I unlocked bootloader direct twrp flash is working but boot is not working plz. any suggestion to boot twrp from fastboot mode.
I have the same problem now, hoping for an answer.
edit: Problem solved! just type "fastboot reboot" while pressing volume-down button until the logo appears.