iBall Imperial 2.4.A User Manual page 9

Installing the Battery and a SIM Card
On the phone, you can install two SIM CARDS at the same time. Please
see the proper position of the SIM card near the SIM Slot to insert it in
Phone.
Phone Lock
The phone lock protects your phone from unauthorized use. By default,
the phone lock function is disabled. You can change the default phone
"42255"
lock code into any numeric string in the range of four to eight
digits.
Locking the Keypad
In standby mode, press left soft key then * key lock key, then press the
left soft key then the * key to unlock the keyboard.
If the Auto Keypad Lock function is enabled and the phone is idle for a
preset period in standby mode, the keypad is locked automatically.
Contacts
Mobile phone offers two types of storage media: SIM card and phone.
The phone book the capacity of the SIM card depends on your network
operators to provide the type of SIM card. You can save names and
phone numbers (contacts) to the Phone memory or SIM card memory;
Contacts saved in Phone memory are marked with and contacts saved
to the SIM memory are marked with Select [Contacts]> [Add Number]:
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