Oneplusone stuck in bootloop - ONE Q&A, Help & Troubleshooting

After an update my phone is stuck in bootloop. Phone is neither rooted , USB debugging mode is off. Just like a new phone. It's a 64gb version. Anyone​can provide any steps how to unlock bootloader or any solution for my problem.

What Update?

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I used the one click root guide for the Nexus S. It unlocked and rooted my phone. Now it's stuck at bootloader and I can't use it at all. I'm trying to use one click unrooter but my phone won't connect to my computer. I'm completely stuck and frustrated. PdaNet keeps saying it fails to handshake with device. I think the problem is I can't get to USB Debugging. Its just stuck at the Bootloader screen.

[Q] Huawei P2 Deleted Bootloader

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Galax S6 Stuck At Logo, USB Debugging Off

My device is bricked !
Hi Guys,
If bootloader is locked, turned off the USB debugging, and device is bricked, it's stopped at logo. What can I do ?!
Venting said:
Hi Guys,
If bootloader is locked, turned off the USB debugging, and device is bricked, it's stopped at logo. What can I do ?!
Click to expand...
Click to collapse
What firmware are you on? Turning off usb debugging doesn't brick anything. What did you do to get to where you are now? Give some details.
Venting said:
Hi Guys,
If bootloader is locked, turned off the USB debugging, and device is bricked, it's stopped at logo. What can I do ?!
Click to expand...
Click to collapse
Hi there, you should download smart switch and use emergency firmware recovery, From there you should click 'more' then click emergency software recovery. Key in your device SM-G920F (Or whatever your version is) then input your serial number (Found on your device Box/back panel of your phone) then voila, it should download the latest firmware for you. Remember to boot into download mode

Need help fixing Lenovo Vibe X3

Hello everyone! I brought a Lenovo Vibe X3 (x3a40) 3 months ago. And I updated it to MM 6.0.1 and the bootloader was unlocked and the device was rooted. TWRP was also installed. So I installed this CyanogenMod 13 from HERE.
Then I missed some stock features and decided to revert back to stock MM. And I used QFIL to flash the official stock ROM. But it turned out that QFIL suddenly stopped working and my device got stuck in EDL mode. Once I turned it off completely to flash it again, the device wouldn't boot up. In my case the device should get into EDL when I connect the USB cable and immediately hold the power key for a second. But there is no response.
Usually while booting the device vibrates but now there is no vibration nor is there anything on the display. The screen keeps completely off and it wouldn't boot into any mode, like no download/no recovery/no EDL/no bootloop, just cold.
And when I connect it to the USB all I get is the "Device not recognized" error. In device manager I get this "Unknown USB device (Device Descriptor Request Failed)".
Please note that I've tried switching the USB cable and the port as well as on a different PC and also checked with the drivers. Still the same. If someone could help me, it would be a great help.... :crying:
Further info on the device is here!

Huawei Y360-U31 Boot Error

Hi. I own a huawei y360-U31 model. Recently, i powered down the phone to install my memory card. The phone then completely refused to boot up, no display is shown and it doesnt power on at all. I had not experienced any problem within the 7months of owning that phone and this was a first. The device was already rooted with King Root, and had been using it without any problems. The phone is detected by my pc, as an MediaTek Usb port android (not as huawei). Are there any suggestions as to how i can recover my phone?

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