After sending this command, then it will require a password in front of all commands (except reboot and RESET!). For example, 123456LOC, 123456A1 etc.
(default password is 123456)
Remove password protection, just simply send
Change password:
Command:
Old password + H + new password
Example: 123456H666666
The password now is changed to 666666
* The pre-set password won't be erased by changing a new sim card.
* Be sure to keep the new password in mind, otherwise you might have to ask your distributor to restore the original setting in case of losing the new password.
* Make sure the new password is in 6 digits, or else the tracker cannot recognize the password.