Plex for iPhone and iPad has been updated to support a range of new functions. As it looks like right now you need Plex Media Server 0.9.6. for transfer over mobile networks to work with it.

• FIX: Immediate crash on startup when logged in to myPlex without any unwatched queue items.
• FIX: Occasional crash when stopping playback.
• FIX: Strange UI behavior when running low on memory.
• FIX: TV Out is supported for older cables again.
• FIX: Playback events are no longer sent to shared servers.
• FIX: Stopping video playback is much faster, especially over remote connections.
• FIX: Image caching works again.
• UPDATED: Localizations for Arabic, Catalan, Chinese, Croatian, Danish, Dutch, Finnish, French, Hungarian, Italian, Japanese, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Slovenian, Swedish, Turkish and Ukrainian.
• UPDATED: Removed automatic video quality selection.
• NEW: Allowed selecting an additional video quality for cellular connections in addition to the required 64Kbps stream (requires Plex Media Server 0.9.6.1 or later).