PocketBook Aqua - Manual (Page 76)

Settings 76
bookmarks, notes, favorites and pre-configured network
connections.
To add new profile, open the corresponding item. You will
be suggested to set destination and to enter the name from
on-screen keyboard. After this current above-mentioned
parameters will be stored at this profile.
To activate profile open the one you need. In profile context
menu you can change avatar, duplicate profile to a new
one, rename or delete profile.
System
Format Internal Memory — this action will erase all data,
except system files;
CAUTION! If you need to erase all data on the Device, use this
feature only, don’t try to format the Device internal memory via PC.