ascend

¿Can i put a signature for messaging? ¿How?, ¿Can i add more screens to the home screen? ¿How?, ¿Can apps be installed on the memory card? ¿How? Thanks

...inserted and it is what is the problem pleas? sd help and getting ringtones on huawei ascend

My Huawei Ascend from Cricket isn't letting me download apps from the android market with 3G but i can browse the web and stuff.. When i try on Wifi it lets me download from the market so it will only work on wifi? How do i fix this? I just got my phone yesterday