Has anyone tried to modify the hardware of an old Samsung Galaxy to make it a permanent offline device? I have a S5830i and tried to do that by desoldering the BCM4330 (WiFi/BT) and the BCM2091 ICs with hot air. Unfortunately this doesn't work. Apparently even the main ARM chip (BCM21552) needs the BCM2091 (GSM chip) possibly for its clock. So removing those chips doesn't work. Does anybody have a datasheet of the BCM2091? I cannot find any technical details so I'm pretty much stuck in my...Read more