Huawei Technologies Co. Ltd G1157 Manuale Utente

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When the temperature is lower than 0°C, 
performance of the battery is affected. 
 
Do not place magnetic storage media such as 
magnetic cards and floppy disks near the device. 
Radiation from the device may erase the 
information stored on them. 
 
Do not leave your device, battery, or charger in a 
very hot or cold place. Otherwise, they may not 
function properly and may lead to a fire or an 
explosion. 
 
Do not place sharp metal objects such as pins near 
the earpiece. The earpiece may attract these 
objects and hurt you when you are using the 
device. 
 
Before you clean or maintain the device, power off 
the device and disconnect it from the charger.   
 
Do not use any chemical detergent, powder, or 
other chemical agents (such as alcohol and 
benzene) to clean the device and the charger. 
Otherwise, parts of the device may get damaged or 
a fire can be caused. You can clean the device and 
the charger with a piece of damp and soft antistatic 
cloth. 
 
Do not dismantle the device or accessories. 
Otherwise, manufacturer is not liable to pay for 
damages as the device and accessories are not 
covered by warranty. 
Emergency Call 
You can use your device for emergency calls in the 
service area. The connection, however, cannot be