1 TON of air conditioning requires 400 cubic feet per minute of air movement in the average HVAC system.
So in order to have a quick Fitbit contact customer support, you just need to punch these numbers, 877-623-4997 on your XOLO (X900) phone. So it means you should not be facing any problem in speaking to Fitbit's customer service representatives.
Solution 2: Make sure that your serial number matches the product version. Contact Adobe Customer Services at 1-800-833-6687 to make sure that you have a standard serial number for Acrobat 6.0, Acrobat 7.0 Standard, Acrobat 7.0 Professional, or Acrobat 3D.