![](/images/new-backgrounds/1162981/1629819x1.webp)
Basics
•Be careful not to forget your unlock codes for the screen lock, accounts, and other security features. If you forget an unlock code, you will not be able to use the device if you do not reset it. Samsung is not responsible for any data loss or inconvenience caused by forgotten unlock codes.
•Depending on the region or model, some devices are required to receive approval from the Federal Communications Commission (FCC). If your device is approved by the FCC, you can view the FCC ID of the device. To view the FCC ID, tap Apps →Settings → About device →Battery information.
•Depending on the region, you can view the regulatory information on the device. To view the information, tap Apps →Settings →About device →Regulatory information.
Instructional icons
Warning: situations that could cause injury to yourself or others
Caution: situations that could cause damage to your device or other equipment
Notice: notes, usage tips, or additional information
Device overheating situations and solutions
When the device heats up while charging the battery
While charging, the device and the charger may become hot. During wireless charging or fast charging, the device may feel hotter to the touch. This does not affect the device’s lifespan or performance and is in the device’s normal range of operation. If the battery becomes too hot, the charger may stop charging.
5