Check your APN settings. Also, ensure the NVRAM RF calibration matches your region (e.g., EU vs. Asia). You may need to flash a full modem firmware (the mobicore partition).
Often used alongside OEM files to revive a device that is stuck in eRecovery or won't boot past the logo. Common Repair Scenarios
We do not host files, but these are legitimate sources:
: Experts strongly recommend backing up your existing NVRAM before attempting to flash a new one, as the file often contains unique calibration data for your specific handset.
Blocked Drains Barnet