Apps like USB Backup

Here are some great alternatives to USB Backup by Samsung R&D Institute India Noida :
USB OTG File Manager
USB OTG File Manager
★3.3
Files To SD Card or USB Drive
Files To SD Card or USB Drive
★4.6
Backup and Restore - APP
Backup and Restore - APP
★3.5
My Backup
My Backup
★4.3
DISC LINK Platinum
DISC LINK Platinum
★3.4
UD Link
UD Link
★3.6
My Backup Pro
My Backup Pro
★4.1
DAEMON Sync: Offline backup
DAEMON Sync: Offline backup
★4.1
G Cloud Backup
G Cloud Backup
★4.5
SMS Drive | Backup & Restore
SMS Drive | Backup & Restore
★4.1
Cloud storage - Drive backup
Cloud storage - Drive backup
★4.1
PC-Phone USB Sync
PC-Phone USB Sync
★4.7
FileLu - Cloud Storage Backup
FileLu - Cloud Storage Backup
★4.2
Tipatch • Backup internal stor
Tipatch • Backup internal stor
★4.2
Cloud Storage Backup & Drive
Cloud Storage Backup & Drive
★4.1
Cloud Backup : Cloud Storage
Cloud Backup : Cloud Storage
★4.3