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Huawei Device remains in the logo does not open emergency

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my device incorrect software does not open due to continuous Huawei expects the logos devices does not appear I installed a update to the app but does not accept it fails please share my device compatible software you were waiting for your help I'll figure out how my device model Alevism L21TURC02B140 or problem

hook it up to pc with your usb cable , then push all three buttons on the side of phone and hold them until it says downloading ....... then wait until it reboots ( can take long time ) . it will download new rom and install it ..

Samsung a5 bootloop

I did not installed any root and tried to unlock bootloader but suddenly my phone does not boot. It just stucked in Samsung logo. I tried to factory reset it booted for a while but it comes to boot loop after some time. Their is an error showing in recoverymode shown below. Anyone knows the cause of problem?
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Mine did same. I powered on holding home volume up and power etc. Then get a wierd blue screen with triangle and dead android icon instead of the usual factory reset settings etc.
So what i did was hold down both volume up and volume down and power button for around 5 or 10 seconds.
Viola - it booted up

Galaxy Tab A7 T500 Error Verifying VBMeta Image: HS_IMTHSGAVEMSAC

Hello, I rooted my device. Then I wanted to unlock the bootloader again. Unfortunately my tablet won't turn on anymore. How can I recover my device?
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First charge it to make sure it has power.
Then with the device off, press vol up and vol down and insert usb cable while holding the buttons and see if you can get into download mode.

aslan4789 said:
Hello, I rooted my device. Then I wanted to unlock the bootloader again. Unfortunately my tablet won't turn on anymore. How can I recover my device?
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Hi, same issue here.
Have you found any solution yet?

Pixel 4 trapped in fastboot

Last night my Pixel 4 freeze and the only way to try to unfreeze it is to reboot the device.
After that I'm trapped in fastboot mode:
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I've tryed to press every button and restart the device 7 times, as google support said to me, but no improvements.
I've also try to let discharge the phone, then plugin with volume +, no improvements. Samewith volume -
I'v try with adb and fastboot command but it seem impossibile to work with USB debugging not enabled
The phone is out of warranty since one month and Google said to me that they can fix it, but with 379€.... ...
Can someone please help me?

Andriod TV stuck in bootloader

I accidently pressed open bootloader when it had Unknown bootloader instead of back to recovery. Now when the TV turns on it keeps showing the philips logo and it goes black, i do not even see the android tv logo. I have tried many combinations (power button + down or up and so on) but the tv does not do anything only the light blinks white. I need to get hold of a male usb to male usb because i think i will need it to fix this but does anybody know how to get into the fastboot or recovery section using physical keys or remote?
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