I remember when carriers not just locked the phones, they also had custom firmwares filled with bloat and customized skins and even locking down features and all that shit. For example, I had a Sony Ericsson K700i and it had a disgustingly customized FW on it, and aside that it was ugly, I could only play MP3 files that I purchased through Vodafone. Sending them via bluetooth (or even with IR) didn’t work, the phone refused to play it back. (Then of course I found out that Sony Ericssons were pretty moddable phones so I replaced the FW with an original one and that solved all my problems. Using VKP patches were just