ModemFW Flash

Flashing Modem Firmware

To force flash the phone modem in WebOS you need to use PmModemUpdater.

Why you may need to Flash Modem Firmware

Flashing modem firmware comes in handy if your phone is stuck in phone offline mode and will not connect to a cell signal due to modem firmware corruption. Generally caused by phone being powered down in the middle of "Full Erase" or WebOS Doctor. The phone modem firmware version becomes unknown preventing WebOS Doctor to automatically flash it during operation. To check if your phone modem is unknown type ##radio# (##72346#) in phone app and it should give you your modem firmware version.

Your modem firmware might be unknown if you are receiving the following error on a phone that is stuck in First Use without activation.

The error will loop First Use card with this message:

"Phone Error

Your phone is experiencing an error that cannot be resolved.

Visit www.palm.com for help."

What You can do

Before you Force Flash your modem's firmware because your phone is stuck offline you should try turning airplane mode on and off, reseting the phone, running WebOS Doctor, and any other safer/easier idea you may have. As flashing modem firmware can potentially harm your modem. As this is the message that appears when you run the PmModemUpdater command Warning!

Warning!  Please make sure you have a healthy battery or using a power supply before you do your update
Warning!  You can potentially trashed your modem firmware if system lost the power in the middle of updating firmware
Warning!  To Stop it now, ctrl+c