AMT5500 User Manual
33
to use for Network Mode.
ALL (default):
LTE, UMTS, GSM are all supported.
LTE:
Only LTE is supported.
UMTS:
Only UMTS is supported.
GSM:
Only GSM is supported.
2. Click
Apply
.
4.1.2. PIN
PIN provides PIN security settings to prevent unauthorized use of the USIM.
To turn On or Off PIN Verification:
If PIN verification is turned on, you need to enter the PIN. If PIN verification is turned off,
no PIN is required.
1. In the
Enable PIN
field, select PIN operation(Enable, Disable) that you want.
Enable:
to turn on PIN verification.
Disable:
to turn off PIN verification.
2. In the
PIN Code
field, enter the correct PIN.
3. Click
Apply
.
To change the PIN:
If PIN verification is turned on, you can change the PIN.
1. In the
Enable PIN
field, select
Modify
.
2. In the
PIN Code
field, enter the current PIN.
3. Enter a new PIN and confirm the PIN.
4. Click
Apply
.
If a PIN is required, enter the correct PIN.
If you enter your PIN incorrectly three times consecutively, the USIM card is locked
and you must enter the PIN unlock key (PUK).
If you enter the PUK incorrectly ten times consecutively, the USIM card is locked
permanently. If you cannot enter the correct PIN or PUK, network-associated
functions are unavailable.
The PIN and the PUK are provided with the USIM card. If you did not receive them
or have forgotten them, contact the mobile network provider.
