Physical layer repetitions collapse battery life by extending uplink airtime, multiplying Joule consumption, and triggering premature voltage cutoff under load.
Cross-border cellular registration drains tracking batteries through blind frequency scanning, network steering rejections, and coverage extension airtime.
Cross-border cell search draws peak currents up to 2.1 A during band scans, requiring conservative timer limits and profile rules to avoid battery brownout.
Inter-carrier steering forces prolonged radio frequency scanning and timer renegotiations that accelerate battery passivation collapse and premature field failure.
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