AT&T Z432 Cell Phone User Manual


 
62 Troubleshooting and FAQs
Problem Possible Causes Possible Solution
Phone will not
turn on
Battery is depleted. Charge the battery.
SIM card error
SIM card is damaged or
defective.
Take the SIM card to a
service center for testing.
SIM card inserted
improperly.
Check to ensure that the
SIM card is facing the right
direction and that it is fully
inserted into the slot.
Dirt or debris on the SIM
card contacts.
Use a soft, dry cloth
to clean the SIM card
contacts.
PIN code is
blocked
You have entered an
incorrect PIN code 10
consecutive times.
If you have the SIM card’s
PUK code, use the PUK
code to unlock the SIM
card.
If you do not have the PUK
code, contact your service
provider.
Unable
to enter
information
into the
Address Book
The Address Book’s
memory is already full.
Delete unneeded data
from the Address Book.