Mobile sees the SIM but you have no signal?nal?
Download this package:
global_modem_houji
Fastboot version:
1. Unzip the ZIP file on the PC
2. Connect the mobile phone in fastboot mode to the PC
3. Run the modem installation with the windows_modem.bat script
4. wait for the mobile to reboot into the system
5. done
TWRP version:
1. install in TWRP (OTG-USB)
2. reboot system
3. done
This patch must be done after every ROM update.
(The tool uses the current modemfirmware.img from the EEA ROM.)