Thanks to the support of our users, JS Backup apps have achieved over 4 Million downloads! We will continue to strive to improve the app to best suit your needs. Please continue to support us, thank you. "JS Backup" is the best backup and ...Read more
Thanks to the support of our users, JS Backup apps have achieved over 4 Million downloads!
We will continue to strive to improve the app to best suit your needs. Please continue to support us, thank you.
"JS Backup" is the best backup and data transfer tool: the No.1 backup app in Japan. Backup, restore, scheduled differential backups, cross-platform data transfer is just a small list of the many features it can perform. You can backup your contacts, photos, videos, music and document files, etc. to SD card, cloud or computer.
■ Main Features ■
･ Backup and restore contacts, call history, SMS, MMS text messages, calendars, bookmarks, system settings, home shortcuts, alarms, dictionaries, music playlists, images, songs and videos. ･ Transfer your smartphone data to another device with “Easy Data Transfer” in just a few clicks. ･ Automatically schedule backups for new files to keep the backup up-to-date ･ Save backup data to SD card, cloud storage services (Dropbox, SugarSync, Google Drive supported) or computer ･ Backup app apk files to SD card and the list of installed apps to cloud storage services. ･ Restore compatible files (image, sound, video, text, etc.) attached to MMS messages ･ Backup, restore, send and synchronize smartphone data with PC via Wi-Fi
■ Easy Data Transfer Feature■
･ Generate QR code, which enables the restoration of smartphone data, therefore there is no need of SD card, USB cables or computer data transfer software. ･ Just scan the generated QR code with JS Backup on the new device and voilà, important contacts, calendars, text messages, etc. are back. ※Camera access permission is required to read the QR codes
※Devices with Android OS version older than 2.2 or have not gone through security updates are not supported. If an Android OS update is available, please perform the update.
※If a single file exceeds the size maximum capacity of cloud service (Dropbox: 10GB, SugarSync: 2GB, Google Drive: 30GB), it cannot be backed up.
Do you have a question about this app?
UPDATED ON: Feb 29, 2016
INSTALLATIONS: 1,000,000 - 5,000,000
LATEST VERSION: 3.6.3
REQUIRED ANDROID VERSION: 2.3 and up
Allows application to take pictures with the camera. This allows the application at any time to collect images the camera is seeing.
control vibration alert
Allows the application to control the vibration alert.
Allows the application to control the flashlight.
retrieve running applications
Allows application to retrieve information about currently and recently running tasks. May allow malicious applications to discover private information about other applications.
prevent phone from sleeping
Allows an application to prevent the phone from going to sleep.
modify global system settings
Allows an application to modify the systemʼs settings data. Malicious applications can corrupt your systemʼs configuration.
read system log files
Allows an application to read from the systemʼs various log files. This allows it to discover general information about what you are doing with the phone, but should not contain any personal or private information.
read sync settings
Allows an application to read the sync settings, such as whether sync is enabled for contacts.
allow Wi-Fi Multicast reception
Allows an application to receive packets not directly addressed to your device. This can be useful when discovering services offered nearby. It uses more power than the non-multicast mode.
change network connectivity
Allows an application to change the status of network connectivity.
YOUR PERSONAL INFORMATION
read contact data
Allows an application to read all of the contact (address) data stored on your phone. Malicious applications can use this to send your data to other people.
write contact data
Allows an application to modify the contact (address) data stored on your phone. Malicious applications can use this to erase or modify your contact data.
read user-defined dictionary
Allows an application to read any private words, names and phrases that the user may have stored in the user dictionary.
write to user defined dictionary
Allows an application to write new words into the user dictionary.
read calendar data
Allows an application to read all of the calendar events stored on your phone. Malicious applications can use this to send your calendar events to other people.
write calendar data
Allows an application to modify the calendar events stored on your phone. Malicious applications can use this to erase or modify your calendar data.
modify/delete SD card contents
Allows an application to write to the SD card.
read SMS or MMS
Allows application to read SMS messages stored on your phone or SIM card. Malicious applications may read your confidential messages.
edit SMS or MMS
Allows application to write to SMS messages stored on your phone or SIM card. Malicious applications may delete your messages.
discover known accounts
Allows an application to get the list of accounts known by the phone.
manage the accounts list
Allows an application to perform operations like adding, and removing accounts and deleting their password.
use account authentication credentials
Allows an application to request authentication tokens.
view network state
Allows an application to view the state of all networks.
full Internet access
Allows an application to create network sockets.
view Wi-Fi status
Allows an application to view the information about the state of Wi-Fi.
read phone state and identity
Allows the application to access the phone features of the device. An application with this permission can determine the phone number and serial number of this phone, whether a call is active, the number that call is connected to, ect.