Updating the PRL on your cricket phone is actually quite easy and takes little effort to complete. Press "2" when the audio recording prompts you for a menu decision.
Follow any required prompts (if any) to complete the file download and installation.
Press the "end call" button when the phone prompts you.
Is your phone not holding calls where it previously had a strong signal?
Press the "End" key to exit to the phone's home screen.
But when I reset the modem, by power or by AT command (SMSO) I no longer can register to the network, SREG returns 0,0,0 always.
Tap the green "Phone" key from the phone's home screen. Tap "Update PRL" and wait for the update to complete.
Tap the red "End" key to exit to the phone's home screen.
Before you start Many LTE devices can run this update over Wi-Fi but if you're having trouble getting the update to start, or it fails before completing, you may need to disable Wi-Fi and enable data instead.
Also, make sure that you're in an area with good, strong signal when you try this update.