To understand why you need a specialized viewer, you first need to understand where these files come from.
Lightweight embedded viewer variant
: If the default "Photos" app fails, robust image viewers like XnView or IrfanView are known to handle these non-standard thumbnail formats effectively. jpg 128x96 file viewer new
Formats associated with older devices, such as the Psion Series 5 multi-bitmap images. To understand why you need a specialized viewer,