Proper precauions while using the sim card

 Install the SIM card

• When the SIM card is not used, carefully put it in a secure place.
• The SIM card is easy to be damaged because of nicking or bending, so it should be used carefully.
When you perform following operations, ensure the mobile phone is powered off and separated with charger first. Remove the battery and put the SIM card in the holder. While inserting the SIM card, ensure the metal side faces downward and aim the cut-corner of SIM card at that of the SIM card slot.
 Remove the SIM card

• When you perform this operation, make sure your phone is powered off and separated from the charger. Remove the battery and take out the SIM card from the holder. Note: SIM card is a computer chip containing protocol details, security information and personal phonebook, etc. Remark：Phone must be power off when put in and take out battery. SIM
• card and the contact point will be easily damaged due to scratch and bending. Please be careful when inserting and taking out the SIM card