Device

• The system prompts that the fingerprint already exists.
• The screen colors of the two phones are different.
• Users feel stuttering when using the Internet
• The system freezes and responds slowly when connecting to the network
• If the system prompts "Authentication failed" when connecting to a hotspot, what can I do if the connection fails?
• Connected to common wireless routers. Some applications fail to access the Internet or access the Internet slowly.
• Public WLAN Access to Public Places Fails or the Internet Access Is Slow
• Slow charging by connecting to the USB interface of the PC