Download T90 User Guide

How do I insert the USIM card?
2
Insert the USIM card with the gold contacts facing down and the bevelled edge on the left
hand side as shown. Carefully slide it under the metal bar observing the correct orientation.
Always handle the USIM card with care to avoid damage.
For best performance check you are using a Next GTM USIM card.
If your USIM card is faulty please contact your service provider.
If your handset displays:
Enter Handset unlock code
Enter (U)SIM PIN Code
No (U)SIM detected
Enter PUK code
20
The default code is 0000.
Enter the PIN supplied with your SIM card.
Check the SIM is inserted correctly.
Contact your Service Provider.