i need help in converting sms in PDU mode to text mode in Java.
Try Android PDUParser,
http://www.androidjavadoc.com/m5-rc15/com/google/android/mms/pdu/package-tree.html
Alternatively you can also use GSM_DecodePDUFrame from libGammu through JNI.
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Try Android PDUParser,
http://www.androidjavadoc.com/m5-rc15/com/google/android/mms/pdu/package-tree.html