Motorola TX77 Quick Reference page 59

You can't switch your phone on
You can't make calls
You can't receive calls
Your phone won't unlock
Your PIN is blocked
Your SIM card won't work
Check the battery. Is it charged, properly fitted and are the contacts clean and dry? See 'Important
Charging Information'.
Check the antenna. Is it fully extended?
Check the signal strength meter in the display. If the signal is weak, move to an open space or, if you are
in a building, move closer to a window.
Check the Network Selection settings. Try Manual Selection, or try another network. See 'Network
Search'.
Check your Operator coverage map.
Is Restricted displayed? Check the Call Barring settings.
Has a new SIM card been inserted? Check that no new restrictions have been imposed.
Check the antenna. Is it fully extended?
Check the signal strength meter in the display. If the signal is weak, move to an open space or, if you are
in a building, move closer to a window.
Check the Call Diversion and Call Barring settings.
Have you inserted a new SIM card? Enter the new PIN code. See 'Entering Your SIM Card PIN Code'.
Do you have a replacement phone? Enter the default phone unlock code - 1234.
Have you forgotten the unlock code? Press M to change the unlock code (you will need your security
code).
Enter the PIN unblocking code supplied with your SIM card (see 'Unblocking Your Phone').
Is the card inserted the right way round? See 'SIM Card Insertion'.
Is the gold chip visibly damaged or scratched? Return the card to your Service Provider.
Check the SIM and phone contacts. If they are dirty, clean them with an antistatic cloth.
What to do if...
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What to do if...
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