While individual download sites often have broken links, the community has preserved massive collections on the Internet Archive
Nokia 3110 Classic (3110c) supports the installation of custom themes that can change the appearance of the digital or analog clock on the home screen and during screen saver mode. Clock Customization Features nokia 3110c clock themes 1 link
.nth (Nokia Theme Archive) inside a single .zip file. While individual download sites often have broken links,
: The Nokia 3110c has roughly 9MB of internal user memory. If your theme file is too large, move it to the MicroSD card instead of the internal phone memory. nokia 3110c clock themes 1 link