You should Backup iphone data before jailbreak your iphone,Once you iphone data lost,you need to Recover iphone data after jailbreak iphone.
Before you jailbreak or Upgrade Iphone system,you must backup all your iphone files to computer or Mac avoiding lost iphone data,including SMS messages,Contacts,Call lists,games,video,song playlists,photo and so on.
For iphone-to-Computer-transfer:
Transfer iphone SMS and contact to computer Windows for backup---backup iphone sms,contact,call list,games,video,music,video,photo and so on to computer
Free download Cucusoft iPhone Tool Kits---Backup iphone SMS messages,contacts,Call list,games,songs, videos, books, photos to computer,or transfer all files from computer to iphone,this is a useful iphone manager. It supports iPad, iPod touch as well.
More information about Cucusoft iPhone Tool Kits
For iphone-to-Mac-transfer:
Transfer iphone SMS and contact to Mac for backup--backup iphone sms,contact,call list,games,video,music,video,photo and so on to Mac
Free download iMacsoft iPhone to Mac Transfer,It is specially designed for iphone&Mac users to fast transfer, rip, copy and manage iPhone music, video, photo, ePub, pdf, Audiobook, Ringtone, Voice Memos, Camera Roll (iOS 4 above), Podcast, TV Show,movies, SMS, Contact, Call List from iPhone to Mac, iPhone to iTunes.
After you jailbreak or Upgrade Iphone system,you may lost all iphone data,including iPhone Photos, Contacts,SMS Messages,video,games and other important files.
Recover all iphone lost/deleted data on Mac
Tips:All your deleted photos/video/music or other lost files are still on your iPhone,iPod,iPad,Mac computer,To recover lost data from storage (iphone/ipod/ipad) you need to connect the storage to the Computer, download, install, and start data recovery software, then follow step-by-step instructions below.
Next,I recommend you a powerful Data recovery software for iphone/ipod/ipad,you can recover iTunes lost data for iphone.
Recover deleted/lost iPhone Photos, Contacts,SMS Messages,video and more from iTunes backup files,with Data Recovery for iphone/ipod/ipad,you also can Recover Data for iPad and iPod,including video,music,photo and other files.
Recover data for Android mobile
Recover deleted data for Android,recover lost photo,video,music or other lost data from Android mobile or from SD card or Android mobile by Android data recovery software.
Use guide:
How to transfer iphone SMS message,Contact,Call list to computer for backup?
How to backup and transfer iPhone contacts to Mac?
Easy to recover Media,Memos,SMS,Contact and other lost data for iphone/ipod/ipad
Related Tags:
Recover lost files from Motorola, Mac DataRecovery software,Windows computer Data recovery, E-mail,photo,video recovery,Mac Files recovery,USB drive recovery on Mac,Memory Card,Camera recovery on Mac
Before you jailbreak or Upgrade Iphone system,you must backup all your iphone files to computer or Mac avoiding lost iphone data,including SMS messages,Contacts,Call lists,games,video,song playlists,photo and so on.
For iphone-to-Computer-transfer:
Transfer iphone SMS and contact to computer Windows for backup---backup iphone sms,contact,call list,games,video,music,video,photo and so on to computer
Free download Cucusoft iPhone Tool Kits---Backup iphone SMS messages,contacts,Call list,games,songs, videos, books, photos to computer,or transfer all files from computer to iphone,this is a useful iphone manager. It supports iPad, iPod touch as well.
More information about Cucusoft iPhone Tool Kits

For iphone-to-Mac-transfer:
Transfer iphone SMS and contact to Mac for backup--backup iphone sms,contact,call list,games,video,music,video,photo and so on to Mac
Free download iMacsoft iPhone to Mac Transfer,It is specially designed for iphone&Mac users to fast transfer, rip, copy and manage iPhone music, video, photo, ePub, pdf, Audiobook, Ringtone, Voice Memos, Camera Roll (iOS 4 above), Podcast, TV Show,movies, SMS, Contact, Call List from iPhone to Mac, iPhone to iTunes.

After you jailbreak or Upgrade Iphone system,you may lost all iphone data,including iPhone Photos, Contacts,SMS Messages,video,games and other important files.
Recover all iphone lost/deleted data on Mac
Tips:All your deleted photos/video/music or other lost files are still on your iPhone,iPod,iPad,Mac computer,To recover lost data from storage (iphone/ipod/ipad) you need to connect the storage to the Computer, download, install, and start data recovery software, then follow step-by-step instructions below.
Next,I recommend you a powerful Data recovery software for iphone/ipod/ipad,you can recover iTunes lost data for iphone.
Recover deleted/lost iPhone Photos, Contacts,SMS Messages,video and more from iTunes backup files,with Data Recovery for iphone/ipod/ipad,you also can Recover Data for iPad and iPod,including video,music,photo and other files.

Recover data for Android mobile
Recover deleted data for Android,recover lost photo,video,music or other lost data from Android mobile or from SD card or Android mobile by Android data recovery software.

Use guide:
How to transfer iphone SMS message,Contact,Call list to computer for backup?
How to backup and transfer iPhone contacts to Mac?
Easy to recover Media,Memos,SMS,Contact and other lost data for iphone/ipod/ipad
Related Tags:
Recover lost files from Motorola, Mac DataRecovery software,Windows computer Data recovery, E-mail,photo,video recovery,Mac Files recovery,USB drive recovery on Mac,Memory Card,Camera recovery on Mac