AT Commands
Page 127
AT&Yn Select Stored Profile on Power Up
The &Yn command determines which stored (User) profile is selected as the Active profile when
the modem is switched on and also when &D3 is selected and DTR drops.
Options
AT&Y0 Select stored profile 0 on power up
AT&Y1 Select stored profile 1 on power up
AT&Y2 Select stored profile 2 on power up
AT&Y3 Select stored profile 3 on power up
Range
0-3