The E on your mobile phone is for EDGE (Enhanced Data rates for Global Evolution), which offers maximum download speeds of up to 384 kbps and average speeds of 130 to 200 kbps. EDGE is a second-generation (2G GSM) network enhancement that improves the data rates of the GPRS technology through EGPRS. Nov 9, 2019
How do I get off of it and back on a normal 5g Network
How do I get off of it and back on a normal 5g Network