Verykool i127 - Manual (Page 10)

10
Please insert available Subscriber Identity Module (SIM) card into your phone before using it. SIM card is supplied by your network carrier.
All the information related to network connection is recorded on the SIM card, so are the contact information such as names, phone numbers and SMS that you
set to store on the SIM. You can take out the SIM card from the phone and insert it into another GSM phone to use it. Most new phones will recognize the SIM
card automatically.
Do not touch the golden contacts of the SIM card and place it away from electricity and magnetism to avoid damage. You will not be able to use the phone if the
SIM card is damaged.
Note:

Before inserting and taking out the SIM card, always make sure that the phone is switched off and disconnected from any external power source;
otherwise both the phone and the SIM card may be damaged.
1.4.2. Installing and uninstalling the SIM card
The SIM card usually comes attached to a special card. The metal contacts of SIM card is easily damaged by scratching, so take it out carefully before
assembling it into the phone.
Switch off the phone; remove the back cover, battery and other external power source. Fit the SIM card into the SIM card slot. Align the angled corner of the
SIM card with the slot. Slide in the SIM card, make sure it is in place, install the battery, and restore the back cover.
Likewise, to remove the SIM card, switch off the phone, remove the battery and then take out the SIM card.
1.4.3. Unlock the SIM card
PIN code
Your Personal Identification Number (PIN) code protects the SIM card against unauthorized use. Your PIN code is usually supplied with the SIM card. If this
security function is enabled, you need to enter the PIN code every time you turn on the phone. You can also disable this function.
To unlock the SIM card, press and hold the power button to turn on the phone. Enter the PIN code. After three consecutive incorrect PIN code entries, the code
is blocked, and you need the PUK code to unblock it.
PUK code
This code is required to change a locked PIN code. If the code is not supplied with the SIM card, contact your service provider. After ten consecutive incorrect
PUK code entries, the SIM card cannot be used any more. Please contact your service provider to buy a new SIM card. You cannot edit PUK code. If it is lost,
Please contact your service provider.