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Note: If you changed the PIN code for a certain SIM card, you must also change the corresponding PIN code
specified in the Basic Network > WAN & Uplink > Internet Setup > Connection with SIM Card page.
Otherwise, it may result in wrong SIM PIN trials with invalid (old) PIN code.
Unlock with a PUK Code
The PUK Function window is only available for configuration if that SIM card is locked by PUK code. It
means that SIM card is locked and needs additional PUK code to unlock. Usually it happens after too many
trials of incorrect PIN code, and the remaining times in SIM Function table turns to 0. In this situation, you
need to contact your service provider and request a PUK code for your SIM card, and try to unlock the
locked SIM card with the provided PUK code. After unlocking a SIM card by PUK code successfully, the SIM
lock function will be activated automatically.
Indication for the PUK status.
The status could be PUK Lock or PUK Unlock. As mentioned earlier, the SIM
card will be locked by PUK code after too many trials of failure PIN code. In
this case, the PUK Status will turns to PUK Lock. In a normal situation, it will
display PUK Unlock.
Represent the remaining trial times for the PUK unlocking.
Note : DO NOT make the remaining times down to zero, it will damage the
SIM card FOREVER ! Call for your ISP’s help to get a correct PUK and unlock
the SIM if you don’t have the PUK code.
Fill in the PUK code (8 digits) that can unlock the SIM card in PUK unlock
status.
Fill in the New PIN Code (4~8 digits) for the SIM card.
You have to determine your new PIN code to replace the old, forgotten one.
Keep the PIN code (password) in mind with care.
Click the Save button to apply the setting.
Note: If you changed the PUK code and PIN code for a certain SIM card, you must also change the
corresponding PIN code specified in the Basic Network > WAN & Uplink > Internet Setup > Connection
with SIM Card page. Otherwise, it may result in wrong SIM PIN trials with invalid (old) PIN code.
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