Buzz
The USB OTG port can be used to read data from external hard drives, transfer data between phones, or charge another phone.
1. What does USB OTG do on Android phones?
The USB OTG port can be used to read data from external hard drives, transfer data between phones, or charge another phone.
Directly read data from hard drives, USB memory
USB OTG is a compact device consisting of a microUSB port plugged into the phone and providing a USB male end. Therefore, the device helps connect the smartphone to external memory such as external hard drives, USB memory. In addition, users can also directly plug in a standard memory card reader, convenient for photographers needing to quickly copy photos to the phone. USB OTG can be purchased separately while some high-end mobile phones are included like Samsung's Galaxy S7.
Connect external keyboard, mouse to smartphone
Today's smartphones can already support many functions quite well. However, typing on the virtual keyboard for a long time is still not really optimal compared to a regular physical keyboard. With a USB OTG, users can easily use computer keyboards, mice for phones. With wireless keyboards, tiny receivers can also be plugged directly into USB OTG.
Charge another phone's battery
With a USB cable, users can use it to charge other phones through USB OTG. The device needing to be charged will directly plug into the microUSB port while the charging device will plug into the USB OTG device.
Directly transfer data between phones
The first thing users want to do when they get a new phone is to transfer data from the old one. This includes photos, videos, messages, contacts... which usually have quite large and complex capacities if done manually. USB OTG can be a powerful assistant in this case but currently, only a few manufacturers support it.
When plugging the product into the regular microUSB port, the SmartSwitch feature on Galaxy S7 or Galaxy S7 edge can swiftly transfer data.
