OLED
Organic
Light-Emitting diode.IMEI
International Mobile
Equipment Identity.ESN
Electronic
Serial Number.UPS
Uninterruptible
Power Supply.HDMI
High-Definition
Multimedia Interface.VPN
Virtual Private Network.APN
Access Point Name.LED
Light Emitting Diode.DLNA
Digital
Living Network Alliance.RAM
Random Access Memory.ROM
Read-only memory.VGA
Video Graphics Array.QVGA
Quarter Video
Graphics Array.WVGA
Wide video Graphics Array.WXGA
Widescreen Extended
Graphics Array.