10
Installing a SIM-card and memory card
Install the SIM card (nanoSIM format) provided by the mobile operator and, if
necessary, a microSD card.
1. Remove the tray that has SIM and
microSD cards installed. For removing
SIM tray use SIM extractor tool
2. Insert the SIM card and, if necessary, a
microSD card.
Attention!
It is possible to use either two SIM cards
(nanoSIM) or one SIM card and microSD card at the
same time. Do not insert the memory card into the SIM
card slot. If the memory card is stuck in the SIM card
slot, contact the authorized Sigma mobile service
center for safe removal. Be careful not to lose your SIM
card and do not let others use it. Sigma mobile is not
liable for any damage or inconvenience caused by the
loss or theft of the cards.
3. Place the tray in the appropriate slot
and secure it.
Your device accepts memory cards with
maximum capacities of 128 GB.
Depending on the memory card
manufacturer and type, some memory
cards may not be compatible with your
device.
Some memory cards may not be fully
compatible with the device. Using an incompatible card may damage the device
or the memory card, or corrupt the data stored in it.
Use caution to insert the memory card right-side up.
The device supports the FAT and the exFAT file systems for memory cards. When
inserting a card formatted in a different file system, the device asks to reformat
the memory card.
Frequent writing and erasing of data shortens the lifespan of memory cards.
Attention
! Take a look at the two ways of using the memory card that will be
proposed, after turning on the smartphone. Choose the best suited variant.
