Some high end Android phones produced by Sony under Xperia series also have it. Compatible with most phones that support OTG: Nokia has implemented USB OTG in many of their Symbian cellphones such as Nokia N8 C6-01 C7 Oro E6 E7 X7 603 701 and 808 Pureview. The main exception is that OTG hosts are only required to provide enough power for OTG devices. USB OTG devices are backward-compatible with USB 2.0 (USB 3.0 for SuperSpeed OTG devices) and will behave as standard USB hosts or devices when connected to standard (non-OTG) USB devices. Devices such as printers etc require drivers to function and the phone you are supporting may not support these. Please ensure the peripheral you are connecting also supports OTG or it may not be compatible.
Unlike conventional USB systems USB OTG systems can drop the hosting role and act as normal USB devices when attached to another host. USB On-The-Go often abbreviated USB OTG or just OTG is a specification that allows USB devices such as digital audio players or mobile phones to act as a host allowing other USB devices like a USB flash drive mouse or keyboard to be attached to them.
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