The last 4 digits of the phone number on the LG imprint
ehat is reset code of lg gt505?
3847
2945#*#
lg tu750 mack security code
1809#*500# to full factory reset your lg
The default is 0000.
i had lost mobile no. I don't know that mobile sim Security code no ?
0000 (By default)
search in internet .you can get it
Non .
The code is 0000 for deleting the calls. Try it, it works
By default it is 0000. Hope this helps.