An important factor to remember is not to give too much RAM for the virtual machines. The host needs some to function well, too. An example: you have 4 GB of RAM, assigning 512 MB of it to your vm. The host has enough to run smoothly but the vm might seem a bit sluggish.
Data Service Call Center: Dial 400 on your Visafone line or call 07041444444. SIM Registration Or Dealer Help Desk: Dial 555 on your Visafone line or call 07025505505. Customer Service Self Help: Dial *888* on your Visafone line. No phone number is available for this particular service.
When I dial the customer service number for Verizon wireless (1-800-922-0204) from my Tracfone, I get a recording telling me to call a different # (1-800-353-1842). I am greeted by a recording thanking me for calling Tracfone. It goes downhill from there. I am a Verizon customer.