Acer Iconia Tab 8 asignature verification failed

[Capel]

Fui atualizar pelo apply update from external storage com o arquivo Acer_AVL0_A1-860_RV00RC02_WW_GEN1.ZIP ao executar aparece a mensagem
E:footer is wrong
E:signatura verification failed --Install Fail

O que devo fazer

 

[ocnbrze]

Fui atualizar pelo apply update from external storage com o arquivo Acer_AVL0_A1-860_RV00RC02_WW_GEN1.ZIP ao executar aparece a mensagem
E:footer is wrong
E:signatura verification failed --Install Fail

O que devo fazer

sorry but this is an english only site.

google tanslated:

I was updated by apply update from external storage with the file Acer_AVL0_A1-860_RV00RC02_WW_GEN1.ZIP when running the message appears E: footer is wrong E: signatura verification failed --Install Fail What should I do

where did you get this file? i'm guessing this is a firmware update?what happened to the tablet?