User Manual

12-2 Maintenance and Troubleshooting UT618 User Manual
Is the battery power low? Ch2 keypad does not function
The screen displays “Please Charge”. Ch2
Ringing style has been
changed, but the phone still
plays the old ringing tone
when it receives an
incoming call.
The incoming call ringing for group call or data
communication cannot be changed.
Please power off and power on again Ch2 Abnormal display or the
display is blank
Remove the battery and reinsert it after 1 minute. Ch2
Troubleshooting guidelines
If it is not one of the above problems or the problem cannot be solved, please
contact UTStarcom’s Customer Service at:
Address: 4th Floor, 8th Building, No.1 Jiaogong Road, Hangzhou PRC
Zip code: 310012
Telephone: [phone]
Fax: [phone]
Email: [e-mail]