Fastboot commands extremely slow

I’m trying to unlock my HTC U11 and I’ve tried to run fastboot both from the packages of my Ubuntu derivative (fastboot version 1:7.0.0+r33-2) and from the platform tools (fastboot version 28.0.1-4986621).

I can see my device both with adb in normal operation and with fastboot devices in download mode.

The output of fastboot getvar all is:

(bootloader) kernel: lk (bootloader) product: htc_ocndugl (bootloader) version: 1.0 (bootloader) max-download-size: 1562400000 (bootloader) serialno: xxx (bootloader) slot-count: 0 (bootloader) current-slot: (bootloader) imei: xxx (bootloader) version-main: 1.27.401.11 (bootloader) boot-mode: download (bootloader) version-baseband: xxx (bootloader) version-bootloader: (bootloader) mid: 2PZC30000 (bootloader) cid: HTC__034 all: finished. total time: 0.005s

When I try to get a token in order to unlock the phone, the command doesn’t complete within any reasonable amount of time, e.g., fastboot oem get_identifier_token did not complete after hours and I unplugged the phone:

... (bootloader) [KillSwitch] : /dev/block/bootdevice/by-name/frp (bootloader) [KillSwitch] Last Byte is 0X01, enable unlock FAILED (status read failed (No such device)) finished. total time: 23223.012s

Has anyone seen this or can give me any pointers as to what I’m doing wrong?

Change Fastboot / Flashmode device model number for Xperia Z1 Compact

While (unsuccessfully) trying to install a recovery image for my Sony Xperia Z1 compact I have somehow managed to trick my phone into thinking it’s a Z5 compact instead.

The effect of this is that I can’t re-flash the stock firmware using either the Sony Emma tool or FlashTool. Emma (incorrectly) reports the model number as E5823 so trying to apply any service fails. Flashtool also sees the wrong model number, so trying to flash the correct D5503 firmware also fails.

I’ve tried re-flashing other recovery images with no positive effect, and have tried manually fudging the .ftf file in Flashtool so the D5503 firmware reports itself as being for E5823 devices, but haven’t been able to successfully flash the device yet.

I have fastboot / flashmode access to the phone, but there’s no recovery and the device doesn’t boot. I’m under the impression that if I can somehow force the reported device model to be D5503 then I can just use Emma to re-flash the stock firmware, but I haven’t been able to find what command this is (if it exists). Any suggestions?

Can’t boot into fastboot from Error Mode screen

I have a Huwaei P9 Lite (2017) with unlocked bootloader, build number PRA-LX1C432B172. Both recovery partitinons probably got damaged and the phone just hangs in the Error Mode screen (just like in the photo attached). Rebooting and pressing any combination of buttons just causes it to go into that screen. If I discharge the battery completely, it will boot into system, but I forgot the password (stupid me). Now even when I am in the system, I can’t use adb reboot fastboot, because USB debugging isn’t enabled (ADB doesn’t even see the phone), so all I can do is turn it off/reboot it, it then goes into Error Mode screen, then wait for it to discharge and I am at the beginning again.

What I’ve tried so far:

Pressing volume down (or up or both) and Power when in Error Mode screen -> just reboots into Error Mode again

  • When completely off (discharged), pressing vol. down and quickly inserting the cable into the PC -> boots into system
  • When completely off (discharged), pressing vol. up or both and power -> goes into Error Mode
  • When completely off (discharged), inserting charging cable -> after a while, it boots into system
  • When in system, adb reboot fastboot -> no way, can’t even see it using adb devices
  • Connecting it to HiSuite both in Error Mode and system -> it doesn’t see anything

Data in the phone is my main concern. All I really need is one time fastboot access, I can figure the rest out on my own then

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nokia 3 ‘fastboot devices’ command gives nothing

I have downloaded platform tools and adb-setup.exe which installs adb and fastboot i think,further on opening cmd after clicking shift + right click in platform tools i open cmd and here i typed command ‘adb devices’ which gives device and on typing ‘adb reboot bootloader’ command ,the device reboots and now i type command ‘fastboot devices’ which shows nothing.

Using Nokia 3 device for this and using Windows 10.