The hosts file is a file responsible for IP address and domain name express resolution in Windows system and is saved in ASCLL format.

Although the iPhone is also tested for water resistance, there are always exceptions. If the Apple phone is in water, these methods can help you.

Switch, meaning "switch", is a network device used for electrical (optical) signal forwarding.

After paying attention to the Wi-Fi signal strength you also need to pay attention to the Wi-Fi security level, which can help prevent information loss and even prevent scraping behavior.

The mobile network has become a part of our daily life. Mobile phones can't leave the mobile network without sending WeChat messages to watch live games. However, many users will find that some mobile phones need to cache and play games when watching live broadcasts, but some mobile phones do not. Even if you use the same operator's network, the transmission speed of the mobile phone network will vary greatly at the same time and place. What? This may be because your phone does not support carrier aggregation. What is carrier aggregation? Next, we will introduce the carrier aggregation technology and the application of high pass carrier aggregation technology in detail.

The bootloader is a small program that runs before the operating system kernel runs

Fear of oversleeping at work, or fear of missing a date with friends, we will habitually set an alarm clock on the phone every few minutes. The list of alarms is not enough to fill the screen, so you can't sleep with peace of mind.