iReader -- a e-book reader for Android supports CHM, TXT, PDB, Mobipocket and EReader books
Back & Restore
iReader support backup/restore your preference data and history book data in any specified
directory. It is very useful in upgrading Android OS or reinstalling the mobile system.
Backup your data:
Click Menu->Settings, you will find Backup Data menu:
Click Backup Data to enter, Select the backup directory and Click Menu->Backup to save your current data under this directory.
Click Restor Data to enter, Open the directory where the backup data locates and Click Menu->Restore to restore your preference data and history data. iReader will check if the correct
data is under your selected directory, if no data here, iReader will tell you the restore is failed.