Modem Firmware Upgrade - Modem Busy - USB Issues
#1
(edit)***Following the thread below I got the problem solved, turns out sudo su is needed and sudo is not enough permissions to flash the modem***

https://github.com/the-modem-distro/pine...k/releases

It has been suggested that upgrading the firmware on the modem can help Bookworm users get GPS working.
There is no mention in the troubleshooting if I cant even pass the AT commands as it shows the port busy.
I am running a 3/32gb upgrade board PP.
Code:
mobian@mobian:~$ echo -ne "AT+QFASTBOOT\r" > /dev/ttyUSB2
-bash: /dev/ttyUSB2: Device or resource busy

No AT commands means no fastboot possible, no fastboot means no upgrade.

Code:
mobian@mobian:~$ fastboot flash modem NON-HLOS.ubi && fastboot reboot
< waiting for any device >


I am concerned as I understand the GPS device should be on USB1 modem on USB2 but we see.(anyone can post their lsusb to see if there is a difference)

Code:
mobian@mobian:~$ lsusb
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 2c7c:0125 Quectel Wireless Solutions Co., Ltd. EC25 LTE modem
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
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Modem Firmware Upgrade - Modem Busy - USB Issues - by biketool - 08-21-2022, 02:22 AM

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