Nokia Logo Manager bitmap

Nokia Logo Manager bitmap (NLM) is a raster image format associated with Nokia phones and related software. It is also known by other similar names, such as Nokia Logo File and Nokia Phones LogoManager Bitmap.

The file's header has a field indicating that it can store one of several kinds of logo images: "Operator", "Caller", "Startup", or "Picture".

Format
Files have a 10-byte header.

Identification
Files begin with the ASCII string " ".

Software

 * Konvertor
 * XnView
 * Tom's Viewer
 * IrfanView
 * Gammu

Sample files

 * http://www.corsasport.co.uk/phone/corsasport.nlm
 * http://www.smsxchange.com/account/whitepaper.pdf - Has a hex-encoded sample file
 * https://telparia.com/fileFormatSamples/image/nokiaLogoManager/