thank you for your fast reply. Now both mobiles are working. For the downlink-frame should I use 2 different firmwares with different schedulers? -- View this message in context: http://baseband-devel.722152.n3.nabble.com/GPRS-decode-tutorial-tp3437051p3490176.html Sent from the baseband-devel mailing list archive at Nabble.com.