immediately for decoding. Attempting to decode by yourself
may result in the permanent failure of the SIM card.
3.8.3
PUK code
PUK (Personal Unblocking Key, 8-digit) unlocks a locked PIN.
If you enter the PUK incorrectly ten times in a row, the SIM
card will become invalid. Please contact your network operator
for a new SIM card.
3.8.4
Mobile phone password
The phone lock protects your phone from unauthorized use. The
default phone lock code is 0000. You can change it into any
numeric string of 4 to 8 digits.
。
If the phone lock function is enabled, you need to enter the
correct phone lock code when the phone is powered on or in the
standby mode.
