Nokia Operator Logo

Nokia Operator Logo (NOL) is a bi-level raster image format used by some Nokia phones. NOL images are normally 72×14 or 78×21 pixels, though the format supports other sizes.

Format
File have a 20-byte header, followed by pixel data in ASCII text format.

Identification
File begin with the ASCII string " ".

Software

 * Konvertor
 * XnView
 * Ringtone Tools
 * Netpbm: pbmtonokia, with " " option (write-only)

Sample files

 * Free Operator Logos (some of the files and links, such as 136oplogos.zip)
 * KESSLER Wireless Design - Samples
 * https://telparia.com/fileFormatSamples/image/nokiaOperatorLogo/