Nokia MD-5W 用户手册

devices, damage batteries, and 
warp or melt certain plastics.

• Do not store the device in cold 

areas. When the device returns to 
its normal temperature, moisture 
can form inside the device and 
damage electronic circuit boards.

• Do not drop, knock, or shake the 

device. Rough handling can break 
internal circuit boards and fine 
mechanics.

• Do not use harsh chemicals, 

cleaning solvents, or strong 
detergents to clean the device.

• Do not paint the device. Paint can 

clog the moving parts and prevent 
proper operation.

If the product is not working properly, 
take it to the nearest authorized 
service facility for service.