Please try the following: In Code: /etc/apt/sources.list change the line Code: deb https://maedevu.maemo.org/leste beowulf main contrib non-free to Code: deb https://maedevu.maemo.org/leste beowulf main contrib non-free droid4 and try apt update and install again.
/etc/apt/sources.list
deb https://maedevu.maemo.org/leste beowulf main contrib non-free
deb https://maedevu.maemo.org/leste beowulf main contrib non-free droid4
/etc/apt/sources.list.d/hildon-application-manager.list
deb https://maedevu.maemo.org/leste beowulfs man contrib non-free
deb https://maedevu.maemo.org/leste beowulfs man contrib non-free droid4
sudo apt update && sudo apt upgrade
sudo apt install ti-utils-wilink6 droid4-wlanconfig
sudo maserati-calibrate
MAC addr from NVS: xx:xx:xx:xx:xx:xx Calibrating wlan0 Fail to set PLT power mode on Calibrating not complete. Removing half-baked nvs Error calibrating device
MAC addr from NVS: xx:xx:xx:xx:xx:xx Calibrating wwan3 rmmod: ERROR: Module wl12xx is not currently loaded Fail to set PLT power mode on Calibrating not complete. Removing half-baked nvs Error calibrating device