ar too technical for me, so I am not even going to attend to discuss them.The phone carries a two year warranty and I am hoping that I am never likely to need it, as up to now, I have not experienced any issues such as the phone crashing or the screen freezing.PRICE AND AVAILABILITYWhen I purchased mine six months ago I paid in the region of ??70 where it had been reduced from its full price of ??