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The use of incompatible SIM cards,
manually cut SIM cards, or SIM card
adapters may damage the cards or
the device, and it may corrupt the
data stored on the cards.
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Scratching or bending of the SIM
cards may result in the loss of
contacts and information, so be
careful when handling, inserting, or
removing the cards.
Frequent writing and erasing of data
shortens the lifespan of memory cards.
Dual SIM standby
The device supports two SIM cards for
voice calls and data connection. During
a voice call or data transfer via one
SIM card, the other SIM card becomes
inactive (not registered with your mobile
network operator). This means that you
cannot receive incoming calls or use
data connection via the inactive SIM
card. When the call or data transfer
ends, both SIM cards will become
active and show on the list of registered
networks.
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