Install/Remove R-Uim Card - MTS Systems Buzz X121 User Manual

（5）The battery will be automatically discharged, please charge it
when it is not used for a long time.
（6）When not in use, please separate the battery from power
supply. Overcharging shorten the life of the battery.
（ 7 ） Do not expose your products to extreme high or low
temperatures.

2.3 Install/Remove R-UIM Card

Before you use the phone, please insert an effective card.
Install R-UIM card: Slip the card. Make sure that the gold-colored
contacts on the card face down into the phone and notice the angles
cutting.
Remove R-UIM card: Slip the card on the contrary to remove it.
Notice
（1）Must power off the phone and disconnect charger and then
continue to remove the R-UIM card.
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