29
7. TROUBLE SHOOTING
PROBLEM
CHECK POINT
When switching on the pho-
ne, it prompts enter “PIN”
Input your PIN code which offered with SIM card together. If you
have changed PIN code, input the new PIN code
When switching on the pho-
ne, it prompts “Emergency”
Check whether valid SIM card is inserted or not
When switching on the
phone, it prompts enter
“password”
Enter lock code you set already to unlock the phone
No ring tone prompt for a
incoming call
Check volume setting of ring tone.
And check whether “mute” is set in Profiles
No display on screen when
disconnect external power
supply
Check whether the battery has electricity, or it is damaged; or
power on the phone again
Summary of Contents for M200
Page 15: ...15 INSERT SIM CARD INSERT SD CARD ...
Page 37: ...37 ...