(1) See
edge network,
edge router and
edge AI.
(2) The Web browser in Windows 10. See
Edge browser.
(3) A wrap-around screen feature in earlier Samsung smartphones (see
Note Edge and
Galaxy S6 Edge).
(4) (EDGE) (
Enhanced
Data rates for
GSM
Evolution/
Global
Evolution) A digital data service provided by GSM carriers worldwide. Debuting in 2003 and also called "Enhanced GPRS" (EGPRS), EDGE was a 2.5G technology that was part of the 3G specification. Superseding GPRS, EDGE users experienced downstream data rates from 100 Kbps to 1 Mbps. When 3G or 4G service was unavailable, smartphones dropped down to the slower EDGE service. See
cellular generations,
Wi-Fi vs. cellular,
GSM,
GPRS,
TDMA and
UWC-136.
Dual Support
If an iPhone 3G found a 3G cell tower, it used the higher HSDPA speed. However, it throttled down to EDGE (E) if a 3G HSDPA channel was not available. See
HSPA.