my phone was lost and I wanted to know if I could retrieve the pictures and videos that were saved on my phone
Or CM Cloud.....If you have this you can install app on new phone then log in and put all pic's and vidio's back on your new phoe
It's quite possible to recover deleted data from android if you use a data recovery app to help immediately. Try Coolmuster Android Recovery, it could recover sms, contacts, photos, etc. by the way, you need to root your phone to restore lost sms and contacts
If you have synced the data before, you can recover from the backup file. If not, I think you should not add more data to your device anymore. Then, it is better for you to try some professional recovery methods to recover lost pictures.
I don't think you can retrieve pictures and videos from your phone if it gets lost without backup. Of course, if there is a backup, you can easily recover from backup file. Just check it before.
Don't try to use your phone any more after losing the video, otherwise the data will be overwritten and unrecoverable.
A reliable and useful Android video recovery application named MobiKin Doctor for Android is necessary for you to retrieve back all of your lost videos.
With Coolmuster Android Video Recovery., you are able to completely retrieve deleted videos from any Android phone. In addition, no matter you lose videos because of touching improper buttons, flashing ROM or getting phone infected by virus, this Android Video Recovery will be always helpful to restore them.
Apart from these, this program can be used to regain lost photos, music, contacts, SMS messages and documents as well. After launching it on your computer, this Android Video Recovery will deeply scan your Android smart phone.