Some users found success by emailing ZTE support with their to request a specific OTA "fix" (like version B06 ). 🛠Troubleshooting Common Issues "Restricted Network Access" Error
if an update is found. Do not power off during this. Method 2: Manual Check via ZTE Support Zte Mu5001 Firmware
The MU5001 offers great flexibility for tinkerers (band locking, logs) but lacks the easy recovery options of Netgear. Some users found success by emailing ZTE support