Operation Manual

22
 Do not attempt to open or disassemble the phone, all service activities need to be conducted by
authorized personnel.
 Do not drop, crush or shake the phone to avoid damaging the internal circuit board.
 Do not use harsh chemicals, cleaning solvents or strong detergent to clean the phone.
 Do not paint the phone as the paint may obstruct the removable parts and affect operation.
 Use only the supplied or an approved replacement antenna. Unauthorized antennas, modifications,
or attachments could damage the phone Do not hold the external antenna when the phone is in use.
Holding the external antenna affects call quality and may cause the phone to operate at a higher
power level than needed. In addition, use of unauthorized antennas may result in non-compliance
with the local regulatory requirements in your country.
The above instructions apply to the phone, battery, charger and other accessories. If any of them does
not work properly, please send it to a qualified service provider.