This is a limitation inherent to Windows Phone 7.x devices, for example, Lumia 800. The Windows Phone 7 platform is capable of transferring only 500 messages.
- What is the Lumia Video Trimmer app on Lumia phone?
- What can I do with the Lumia Video Trimmer app on my Lumia phone?
- Why can't I cut video clips exactly where I want with Lumia Video Trimmer?
- What kinds of videos can I trim on my Lumia phone?
- Where can I find the trimmed and saved video clips on my Lumia?