To enter the SIM unlock code, do the following: 1. Put AT&T SIM card in C740 2. Turn on 3. Enter *#865625# on idle screen 4. SIM Unlock Process - Click Yes. 5. Enter 8 digits unlock code and click OK (soft key) 6. Re-enter the unlock code. 7. Unlock Process Complete 8. Click OK (soft key).
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Pantech matrix C740 from at&t
To enter the SIM unlock code, do the following:
1. Put AT&T SIM card in C740
2. Turn on
3. Enter *#865625# on idle screen
4. SIM Unlock Process - Click Yes.
5. Enter 8 digits unlock code and click OK (soft key)
6. Re-enter the unlock code.
7. Unlock Process Complete
8. Click OK (soft key).