System update to Android 4.4Improved Miracast compatibilityAdded support for DLNA protocolFix Russian translationFix occasional power drained issue
【Key New functions】1. Do Not Disturb mode2. Call Guard(applies to models sold in China and Taiwan only)3. Full dual standby with two SIM cards(applies to dual SIM models only)4. Filter effects for videos5. Reply via Call-in SIM card, system will auto select the right phone
