What is a THUMBDATA3-1967290299 File Type?
The file THUMBDATA3-1967290299 is created by the Gallery application to cache information on images that have been indexed. Caching allows the Gallery application to load the images faster and reduce the time needed to display the thumbnails.
The larger the file THUMBDATA3-1967290299 is, the more pictures you have in the appos; application Gallery. It can become several hundreds of Mo or, in some cases, several GB if you have a large number of images in your Galerie application. Each time a new image is added, and even when an image is deleted, the indexed properties of the image remain.
Use an Android file manager to navigate to your d' thumbnail indexes, which can be found in the sdcard / DCIM / .thumbnails directory.
To reduce the size of the THUMBDATA3-1967290299 file you must delete the images from l' application Gallery then delete the file THUMBDATA3-1967290299. The file will be regenerated by Galerie application but only for the images stored in the application.
The THUMBDATA3-1967290299 is currently found with the .THUMBDATA3-1763508120 file.