As for the message attachment, we refer to SMS message attachment and iMessage attachment. You can restore both of them if you delete any of them or lost them or encounter system crash.
FoneLab is an efficient iPhone Message Recovery. It can help you easily recover deleted messages and message attachment from iPhone 6 Plus/6/5/4S/3GS/5s/5c/4 before data is rewritten. If there's no backup files, you can use this iPhone DATA Recovery to restore deleted sms, mms, imessage, message attachemtns from iphone directly without backup.
STEP 1: Download iPhone Message Recovery Software. Install it on your computer and run it. Connect your iOS devices (iPhone, iPad or iPod touch) to your computer via USB cable. Close your iTunes if it runs automatically.
If you are using iPhone 5s, iPhone 5c, iPhone 5, iPhone 4S, iPad 4/3/2/Air, iPad mini/mini 2 and iPod touch 5. After you connect your device, the Fonelab will recognize the device automatically and follow the steps on the interface, you can easily go to the scan interface like the below picture shows.
STEP 2: Scan your devices and recover Message and Message Attachments from iPhone
If you are using iPhone 4, iPhone 3GS, iPad 1 and iPod touch 4, you need to download a plug-in before the software can scan your device. It is really easy to enter the scanning mode and there is no danger to do that if you follow the instruction on the software.
STEP 3: After you successfully enter the scanning mode, it will scan your device automatically.
Choose Message Attachement tab on the left Menu section, you will get all the Text Message, MMS and iMessage attachemnts from all your contacts. Then you just need to choose the one to recover or just search the contact and find the attachment faster.
STEP 4: Just click the "Recover" button to recover the deleted message attachment from your iPhone. You can easily get the recovered files by clicking the "open" button next to the "recover" button.