Basics
20
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If the device receives an unstable power supply while charging, the touchscreen may not
function. If this happens, unplug the charger from the device.
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While charging, the device and the charger may heat up. This is normal and should not
affect the device’s lifespan or performance. If the battery gets hotter than usual, the
charger may stop charging. If this occurs during wireless charging, disconnect the device
from the charger to let it cool down, then charge the device again later.
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If you charge the device while the multipurpose jack is wet, the device may be damaged.
Thoroughly dry the multipurpose jack before charging the device.
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If the device is not charging properly, take the device and the charger to a Samsung
Service Centre.
Nano-SIM card
Insert the SIM or USIM card provided by the mobile telephone service provider.
Installing the SIM or USIM card
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Galaxy Note20 Ultra 5G, Note20 Ultra:
21 3 4
SIM card tray