5 clean and maintenance, 2 terminology explanation, Phone appearance and keys – Verykool i625 User Manual
Page 9: 3 physical impression, Erminology, Explanation, Hysical, Mpression
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i625 User Manual》_V1.0
cord.
1.1.5
Clean and Maintenance
1) Do not use phone, battery and charger in a high moisture environment .
2) Do not use liquor like alcohol, thinner or benzene to clean the phone.
3)
Please clean up the power outlet within a certain time.
1.2
Terminology explanation
GSM
Global system of mobile
SMS
Short message service
SIM
Subscriber identify module card
PC
Personal computer
PIN
PIN code is a 4-8 digit personal identification number, and is used to
prevent your SIM card from misuse. It is provided by your service
provider. If you enter 3 times error PIN code continuously, the SIM
card will be locked, and then you must enter PUK code to unlock.
PIN2
PIN code is a 4-8 digit personal identification number. It is provided by
your service provider. To protect the access of some advanced
functions like fixed dial. If you enter 3 times error PIN2 code
continuously, the SIM card will be locked, and then you must enter
PUK2 code to unlock.
PUK
An 8 digit key code. Used to unlock SIM cards after the wrong PIN
has been entered. PUK is provided by your service provider.
PUK2
An 8 digit key code. Used to unlock SIM cards after the wrong PIN2
has been entered. PUK2 is provided by your service provider.
Phone Appearance and Keys
1.3
Physical Impression
Proprietary & Confidential -3-