ZTE Corporation ZTEA16 Manuale Utente

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chemical or abrasive cleaners as these could damage the phone.   
  As your mobile phone can produce electromagnetic field, do not place it near 
magnetic items such as computer disks. 
  Using the phone near electrical appliances such as TV, telephone, radio and 
personal computer can cause interference. 
  Do not expose your mobile phone to direct sunlight or store it in hot areas. High 
temperatures can shorten the life of electronic devices. 
  Prevent liquid from leaking into your phone. 
  Do not drop, knock or harshly treat the phone. Rough handling can break internal 
circuit boards. 
  Do not connect the phone with any incompatible enhancement. 
  Do not attempt to disassemble the mobile phone and battery. 
  Do not store the phone with flammable and explosive articles.   
  Do not charge the mobile phone without battery. 
Precautions for Potentially Explosive Atmospheres 
  Switch off your phone prior to entering any area with potentially explosive