130+ Step-by-Step Troubleshooting Q&A | RF/OTA | Handover | Log Analysis | PHY/Throughput | ENDC/NSA | Thermal | KPI | Python | Automation
TIS, desense, ACLR, EVM, antenna efficiency, RX diversity. Step-by-step RF troubleshooting with decision trees.
A3/A5/B1 events, ping-pong, CHO, VoNR handover, RLF analysis. Sequential HO failure debugging.
sysdiagnose, ELT, QXDM, Marcie logs. Extract RRC, RLF, T310 expiry. 2GB log parsing techniques.
CQI, PMI, RI, MCS, BLER, OFDM subcarrier spacing. Debug throughput sawtooth and MIMO issues.
EN-DC establishment, MCG/SCG failure, 5G icon no data, NSA vs SA selection, ENDC retention.
Thermal throttling levels, SAR backoff, PA efficiency, sensor readings. Step-by-step thermal diagnosis.
Call drop rate, HO success, 5G attach, throughput percentiles. Automated KPI dashboards and alerts.
Launch blocker debugging, grip desense, CarPlay thermal, carrier certification crisis management.
STAR framework, ownership stories, cross-functional collaboration, influence without authority.
Generators, memory profiling, decorators, regex, parallel processing for large log files.
Timestamp extraction, hex to ASN.1, multi-log correlation, streaming parsers for 5GB+ files.
Percentile computation, anomaly detection, regression detection, automated email alerts on KPI drops.
Parallel device testing, retry logic, plugin architecture, watchdog timers, channel emulator control.
RSRP heatmaps, HO CDF plots, waterfall spectrograms, thermal vs throughput correlation.
5G icon detection, carrier bundle testing, shake test automation, ping-pong detection across 100 devices.
Bash one-liners, awk/sed for log analysis, Python streaming, grep patterns for RF KPIs.
No Service after update, 5G Auto mode, Smart Data Mode, Wi-Fi Assist, mmWave thermal mitigation.
