• Keypad usability
  The buttons need to be easy to use and not too small for your fingers
  
  
• Keypad wear
  The finish on the buttons must be long lasting and not wear off
  
  
• Keypad Locking
  The keypad must be lockable to prevent accidental useage or power on/off
  
  
• Screen size
  The screen needs to be large enough to read
  
  
• Screen readability
  The font must be legible
  
  
• Illumination
  The screen and keys must illuminate if required
  
  
• Reception
  Signal reception varies by maker and model - test before you buy.
  
  
• Internet
  Phone must be surf, instant message and email friendly
  
  
• Data Transfer
  Data transfer is required for Faxes or linking to a PC
  
  
• Messaging
  Check for instant and SMS features.
  
  
• Battery Life
  Battery life is important
  
  
• Battery variety
  Check if different batteries are available with different lives
  
  
• Rechargeablilty
  How rechargeable is your phone. Check for international and cigar charging.
  
  
• Size
  Small phones may not be easy to use/see.
  
  
• Protuberances
  Check for antennae and cameras that may make the phone awkward to carry
  
  
• Customizeability
  Can you get software,including ringtones,screen graphics,savers,and sounds
  
  
• Silent Mode
  Mute and or vibration modes may be required
  
  
• Optical Features
  Does it come with a camera or can you add one later
  
  
• Accessories
  Pouches, cases, car kits, hands free, funky covers and antennae are all accessories
  
  
• Appearance
  Does the phone look and feel good
  
  
• Reliability
  Read the consumer reports
  
  
• Service
  Is there a service outlet near you?
  
  
• Repairability
  Can your phone be repaired or is it a throw away and buy new?
  
  
• Waterproof
  How waterproof or splashproof is your phone?
  
  
• Shockproof
  What if I drop it on the floor or its run over by a train?
  
  
• Adaptability
  Will it fit in with my lifestyle?
  
  
• Extendability
  Can you get all the cables and adaptors to make your phone useful
  
  
• Security
  What if my mobile phone is stolen?
  
  
• Insurance
  Is insurance available from the carrier?
  
  
• Warranty
  Check the warranty terms,conditions and duration.
  
  
• Upgradeability
  Many manufacturers allow a free upgrade every two years.