I upgraded my Samsung Galaxy J7 device from system update menu. It was working fine after the upgrade but it is not accepting my pattern after the restart. I don't remember the PIN also.
I have tried following things to unlock the device :
- I have tried logging on to Android Device Manager, but there is nothing like resetting password there in the options. It just allows you to display some message on the device.
- I have tried unlock through Samsung website but looks like this is something I should have setup before the device was locked up.
- I have tried pushing Aroma File Manager zip file through
adb sideloadand also through SD Card but through both ways it is giving same error :
E:footer is wrong E:Signature verification failed
To disable Signature verification I tried pushing CWM custom recovery but I am not able to sideload that also as I get the same error.
The recovery is only giving me option to connect to adb sideload. So, I can't delete files through adb shell.
Please tell what other methods I can try.