Fairphone 2 Installationproblem 1.6.2

[gampper]

While I upgraded from OS 1.5.1 to 1.6.2 the Fairphone
aborted rebooting.

I repeated twice an got the following message by rebooting:

E: footer is wrong

E: signatur verification failed

installation aborted

What can I do?

[urs_lesse]

Please see the following thread for the same problem and solutions

Update to 1.6.2 failed

I just tried to update my phone to version 1.6.2. On the restart I got the following message: Finding update package… Opening update package… Verifying update package… E: footer is wrong E: signature verification failed Installation aborted What should I do in this case?

Admins please close.