Common failure scenarios and recovery

Systematic Troubleshooting Framework

Real-world 5G signaling problems present as user complaints: "can't connect", "dropped call", "no data after moving." Mapping these symptoms to root causes requires following a systematic decision tree. First identify what the user was trying to do (register, get data, make a call). Then determine which 5G procedure failed (registration, PDU session, handover). Next pinpoint where in the procedure the failure occurred. Finally decode the error message or timeout to identify the root cause and apply the correct fix.