Firmware Version:
*#0000#
*#51x0# or
*#9999#

View Serial No:
*#92772689#

IMEI Code:
*#06#

Enhanced Full Rate (EFR):
*3370# to activate EFR.
#3370# to deactivate EFR

Divert Line 2 Calls
All
Set: *21*destination*89#[SEND]
Cancel: #21#*89#[SEND]
Query: *#21#*89#[SEND]
No Answer
Delay nn seconds: max 30 seconds, in 5 second increments
Set: *61*destination*89*nn#[SEND]
Cancel: #61*89#[SEND]
Query: *#61#*89#[SEND]
Unreachable
Set: *62*destination*89#[SEND]
Cancel: #62#*89#[SEND]
Query: *#62#*89#[SEND]
Busy
Set: *67*destination*89#[SEND]
Cancel: #67#*89#[SEND]
Query: *#67#*89#[SEND]

Half Rate Mode (HFR):
*4720# to activate HFR.
#4270# to deactivate HFR.

Default Security Code:
12345

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