I think you should try to follow thisthese steps;
- Uninstall whatsappWhatsApp.
- Download apkthe APK from WhatsApp's official site of WhatsApp.
- Sign out googleGoogle account from your phone.
- Install WhatsApp. Now, now it may ask foryou to restore chats and media from the SD card.
- Click OK, youyou may get your chats and media restored which ever, whichever is on your SD card.
- Done.