Here is the Instructions To Clear/Clean Internal Memory of Android Phones
1. Dial * # 9900 #
2. Select/Click "Copy to SD"..
( this will copy all dump files from internal to SD Card, because all dump files consumes large amount of internal memory) Note: Only Select the "Copy to SD" Be carefull...
And see the MAGGGGIIIICCCCCC internal MEMORY FREE..
. -----You May Experiment to Another Android Phones Using this Instructions------------------By: Donald IT/Support Doha Qatar...Mabuhay Pilipinas.!!!!...
And I HOPE IT HELPS A LOT....!!!!
First clean catch of application like fb,internet,market...
then delete unnecessary application as application in SD also occupy some space in internal storage..so only deleting application that are in phone may not make big difference..
go to setting->application-> all application
total of internal memory used is sum of memory used by all application irrespective of application is on phone memory or SD card