Solution : https://service.sap.com/sap/support/notes/1612743 (SAP Service marketplace login required)
Key words :
<sap netweaver mobile client installation folder>\settings\defaults, long time giving perception, long sync times, 'process automatically' flag, replacing special characters, config agent parameter, client device reason, sp patch level, large bulk message, settings parameter
Related Notes :
1497826 | NetWeaver Mobile 7.10 Composite Note for SP11 |