an error has occurred with the fingerprint sensor. ( SAMSUNG) - General Questions and Answers

it has been a year that i am receiving this error :
an error has occurred with the fingerprint sensor.if this message appears repeatedly,restart your phone.
i am using samsung alpha.and i don't want to root my phone.
i have even factory reset my phone but the error kept arriving.
any fix ?

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150 connection error

For those who stuck at the warning screen of: 150 connection error.....
Try to do a bootloader update (can be found on xda-ftp), wich most of the times work, and when the update is done, don't reset your device as asked, but immediately update your device with your desired rom.
This has worked for me, after days of no succes and having constantly the 150 connection error message.
If this thread or solution has already been created, then i apologize...
Great succes..

E:footer is wrong during installation of stock rom on lenovo a6000 plus

I had rooted lenovo A6000 plus using kingroot. Then i updated the phone (system update). though they gave the warning as your phone is rooted the update might not work but still i updated . when the phone restarted there are options for recovery (Android system recovery<3e> kraft-A6000-s_S013_150615). when i update the custom rom (even stock rom) there are two errors 1.E:footer is wrong and
2. E:signature verification failed. then installation got aborted. i have gone through factory reset also tried to install from sd card still no luck.
now how can i install rom or recover. i have no backups though .
E:Footer is wrong during Installation
Hi Fiends,
Am also facing this issue from yesterday which is very difficult to me. Please help us on this to fix the issue which would be great.
Same Issue
Please help us..!!.....tried using adb and fastboot as well no change. Error is "Unfortunately, contactmanager has stopped" "Unfortunately, android.process.acore has stopped", these two pop ups keep coming once the phone is on and the background screen is black with signals coming for SIM2. Unable to get into phone. Only pop ups.

[Completed] HTC desire 820 g, update failed and ERROR COMMAND

yesterday night i checked for update in my phone htc 820 desire g plus, yes it was there and i was downloading and installed it, what happens was at the time of installing there shows an error message and phone stopped it right there. i din't even touched my phone until it was installing. after error message i restarted my phone using the volume up and power button but again its shows the error message, then again i tried of formatting and factory restore setting, but the same error message displayed that "ERROR COMMAND".even i restarting my phone many times but the same message displaying "ERROR COMMAND" suggest me some thing in this regard.
And you just installed the official OTA update?!
Strange. If you have nothing else changed, it's time for claiming your warranty and/or contact the HTC support.
If no warranty, best to ask in the Desire 820 Q&A, Help & Troubleshooting forum.
Hopefully someone there can give a better advice.
Good luck !

lg m250e flafhing

hi everyone
i have a lg m250e and last week i tried to flash it with lgflashtools 2014 and it didnt worked out and gave me "server connection failed error ", in lgup the error was "0x2bc" and in the latest version of lgflashtools the error was "dodownload error".
after awhile that i was trying to solve these errors my phone wont bootup and just come up to "frimware update" screen and wiping our pressing power and vlome down bottens can not solve the problem.
now i only want my phone come up.
how i can flash it ?
is there a way to boot it up with its own android?
thanks.

"Your device failed verification and will not work properly"

Hi guys, I need help. Try flashing the firmware of my xz and I made an error (do not change 39.fsc to 41.fsc), different errors appeared when trying to flash. When I turned on my xz to repair it with Xperia Companion a warning appeared with the following message "Your device failed verification and will not work properly" and it shuts off after 5 seconds.
I notice my error so I try to do it again but I can not, errors keep appearing.
I tried to go back to 7.1.1 because 8.0 has problems with wifi and battery.
Sorry for my English, I'm using the google translator.
did you unlock the bootloader?

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