Here's the simple way to change your Globe wifi password.
STEP 1: Open your browser and go to http://192.168.254.254/. Log in the default wifi username and password ( Username: user / Password: l03e1t3 ).
STEP 2: Go to the Advanced tab, then click WiFi then WiFi Security Settings.
STEP 3: Enter your desired name and password for your globe WiFi then click Save.