Advice for using your CORE-S4 under water
After immersion in sea water, you should rinse your mobile in fresh
water. Thoroughly dry the caps and connectors.
The speaker and microphone slots may be blocked with water.
Wait a few minutes before making a call to get back to optimal functionality.
Tips and precautions for charging your battery
1. Open the dust cap and connect the cable and AC adapter supplied
2. Plug the AC adapter into an electrical outlet.
3. When the battery is fully charged, unplug the phone from the
Never charge your phone using the X-LINK
connection together, as this could shorten the lifespan of your phone's equipment.
The battery is built into the phone and is not removable. Do not remove the battery
yourself.
• To avoid prematurely draining the device's battery, we recommend that you follow the
battery charging instructions for each charging cycle. To do this, it is better to top
up the battery when it reaches 20% and avoid charging it beyond 80%, rather than
topping it all the way up to 100% from zero.
• Only use approved chargers and cables that are compatible with your phone. Using
unapproved chargers or cables may cause the battery to explode or damage the phone.
• Avoid using your phone while it is charging. Do not cover your phone or the power
adapter.
in your pack using the USB-A port. Then plug the other end of the
cable into the micro USB port on your phone.
charger. First unplug the charger from the device, then unplug it
from the electrical outlet.
magnetic connection and the USB
TM*
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