Zte Blade A3 2019 - CE Caution; Battery Caution; USB Port; Proper Use

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Connectivity
Bluetooth 4.2, Wi-Fi 802.11b/g/n, 3.5mm jack
NAHJ, micro USB
SIM Card
Nano SIM, 4FF format.
CE Caution
Battery Caution
Risk of explosion if battery is replaced by an incorrect type.
Dispose of used batteries according to the instructions.
USB Port
This product shall only be connected to a USB interface of
version USB 2.0.
Proper Use
As described in this guide, your device can be used only in
right location. If possible, please do not touch the antenna
area on your device.