Salve ragazzi, qualcuno sa come si fa il procedimento per far rifunzionare questa indispensabile app "Backup Text for WhatsApp" le info sono tutte in inglese dal sito di xda
Backup Text for WhatsApp v1.6 launched!
* Added support WhatsApp .crypt7 database file, need to import WhatsApp key file manually or requires [root] to import automatically
If you phone rooted, nothing to do (it will get the key file automatically), otherwise
You must need to copy your own WhatsApp key file to your phone storage, then open the latest version Backup Text for WhatsApp and import the key file!
here is the steps for how to get the WhatsApp key file:
[Tool] WhatsApp Key/DB Extractor | CRYPT7 | … | Android | XDA Forum